Related Manuals for Dell Inspiron 16 5645
Summary of Contents for Dell Inspiron 16 5645
- Page 1 Inspiron 16 5645 Owner's Manual Regulatory Model: P131F Regulatory Type: P131F002 February 2024 Rev. A00...
- Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2024 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies, Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
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Page 3: Table Of Contents
Top......................................8 Front....................................... 9 Bottom....................................10 Service Tag...................................11 Battery charge and status light ............................11 Chapter 2: Set up your Inspiron 16 5645..................12 Chapter 3: Specifications of Inspiron 16 5645................14 Dimensions and weight..............................14 Processor..................................... 14 Chipset....................................15 Operating system................................15 Memory.................................... - Page 4 After working inside your computer........................30 BitLocker..................................30 Recommended tools................................. 30 Screw list.....................................30 Major components of Inspiron 16 5645........................32 Chapter 5: Removing and installing Customer Replaceable Units (CRUs)........35 Base cover..................................35 Removing the base cover............................35 Installing the base cover ............................38 Memory module..................................
- Page 5 Clearing BIOS (System Setup) and System passwords..................99 Chapter 9: Troubleshooting....................... 100 Handling swollen rechargeable Li-ion batteries......................100 Locate the Service Tag or Express Service Code of your Dell computer ............100 Dell SupportAssist Pre-boot System Performance Check diagnostics...............101 Running the SupportAssist Pre-Boot System Performance Check............... 101 Built-in self-test (BIST)..............................
- Page 6 Wi-Fi power cycle................................105 Drain residual flea power (perform hard reset)....................... 105 Chapter 10: Getting help and contacting Dell................107 Contents...
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Page 7: Chapter 1: Views Of Inspiron 16 5645
Views of Inspiron 16 5645 Right Figure 1. Right view 1. SD-card slot Reads from and writes to the SD card. The computer supports the following card types: ● Secure Digital (SD) ● Secure Digital High Capacity (SDHC) ● Secure Digital Extended Capacity (SDXC) 2. -
Page 8: Top
When the computer is turned on, press the power button to put the computer into a sleep state. Press and hold the power button for 10 seconds to force shut-down the computer. If the power button has a fingerprint reader, place your finger on the power button steadily to log in. Views of Inspiron 16 5645... -
Page 9: Front
Slide the privacy shutter to cover the camera lens and protect your privacy when the camera is not in use. 3. Camera Enables you to video chat, capture photos, and record videos. 4. Camera-status light Turns on when the camera is in use. Views of Inspiron 16 5645... -
Page 10: Bottom
1. Right speaker Provides audio output. 2. Service Tag label The Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware components in your computer and access warranty information. 3. Air vents Air vents provide ventilation for your computer. Clogged air vents can cause overheating and can affect your computer's performance and potentially cause hardware issues. -
Page 11: Service Tag
Service Tag The service tag is a unique alphanumeric identifier that allows Dell service technicians to identify the hardware components in your computer and access warranty information. Figure 6. Service Tag location Battery charge and status light The following table lists the battery charge and status light behavior of your Inspiron 16 5645. -
Page 12: Chapter 2: Set Up Your Inspiron 16 5645
2. Finish the operating system setup. For Windows: Follow the on-screen instructions to complete the setup. When setting up, Dell Technologies recommends that you: ● Connect to a network for Windows updates. NOTE: If connecting to a secured wireless network, enter the password for the wireless network access when prompted. - Page 13 This software delivers intelligent features that automatically fine-tune your computer for the best possible audio, power, and performance. Get the most out of your Dell device with intelligent, personalized technology from MyDell. Following are the key features of MyDell: ●...
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Page 14: Chapter 3: Specifications Of Inspiron 16 5645
● Maximum: 2.14 kg (4.71 lb) the configuration that is ordered and manufacturing variability. Processor The following table lists the details of the processors that are supported for your Inspiron 16 5645. Table 4. Processor Description Option one Option two... -
Page 15: Chipset
Chipset The following table lists the details of the chipset that is supported for your Inspiron 16 5645. Table 5. Chipset Description Values Chipset Integrated Processor AMD Ryzen series DRAM bus width 64-bit Flash EPROM 32 MB PCIe bus Up to Gen4... -
Page 16: External Ports
M.2 cards, search in the Knowledge Base Resource at www.dell.com/support. Wireless module The following table lists the Wireless Local Area Network (WLAN) modules that are supported on your Inspiron 16 5645. Table 9. Wireless module specifications Description Option one... -
Page 17: Audio
NOTE: The version of the Bluetooth wireless card may vary depending on the operating system that is installed on your computer. Audio The following table lists the audio specifications of your Inspiron 16 5645. Table 10. Audio specifications Description Values... -
Page 18: Media-Card Reader
Media-card reader The following table lists the media cards that are supported on your Inspiron 16 5645. Table 12. Media-card reader specifications Description Values Media-card type One SD-card slot Media-cards supported ● Secure Digital (SD) ● Secure Digital High Capacity (SDHC) ●... -
Page 19: Keyboard Function Keys
Operating system and application-specific F9 behavior fn + F10 Operating system and application-specific F10 behavior fn + F11 Operating system and application-specific F11 behavior fn + F12 Operating system and application-specific F12 behavior fn + B Pause or Break Specifications of Inspiron 16 5645... -
Page 20: Camera
Home (move to the beginning of the document) fn + right arrow End (move to the end of the document) Camera The following table lists the camera specifications of your Inspiron 16 5645. Table 16. Camera specifications Description Values Number of cameras... -
Page 21: Power Adapter
For more information about touchpad gestures available on Windows, see the Microsoft Knowledge Base article at support.microsoft.com. Power adapter The following table lists the power adapter specifications of your Inspiron 16 5645. Table 18. Power adapter specifications Description Values Type... -
Page 22: Battery
Battery The following table lists the battery specifications of your Inspiron 16 5645. Table 19. Battery specifications Description Option one Option two Battery type 4-cell, 54 Wh, Lithium Ion Polymer, 4-cell, 64 Wh, Lithium Ion Polymer, ExpressCharge Capable ExpressCharge Capable... -
Page 23: Display
Display The following table lists the display specifications of your Inspiron 16 5645. Table 20. Display specifications Description Option one Option two Option three Display type 16" Full High Definition Plus 16" Full High Definition Plus 16" Full High Definition Plus... -
Page 24: Fingerprint Reader (Optional)
Fingerprint reader (optional) The following table lists the specifications of the optional fingerprint-reader of your Inspiron 16 5645. Table 21. Fingerprint reader specifications Description Values Fingerprint-reader sensor technology Capacitive Fingerprint-reader sensor resolution 500 dpi Fingerprint-reader sensor pixel size 108 mm x 88 mm Sensor The following table lists the sensor of your Inspiron 16 5645. -
Page 25: Hardware Security
Trusted Platform Module (TPM) 2.0 Windows Hello - Fingerprint Reader (optional) Camera shutter Operating and storage environment This table lists the operating and storage specifications of your Inspiron 16 5645. Airborne contaminant level: G1 as defined by ISA-S71.04-1985 Table 26. Computer environment Description... -
Page 26: Comfortview Plus
Low blue light: Dell ComfortView software technology reduces harmful blue light emissions to make extended screen time easy on your eyes. To reduce the risk of eye strain, it is also recommended that you: ● Position the display at a comfortable viewing distance between 20 and 28 inches (50 cm and 70 cm) from your eyes. -
Page 27: Chapter 4: Working Inside Your Computer
You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that is shipped with the product or at www.dell.com/regulatory_compliance. -
Page 28: Safety Precautions
ESD protection is an increasing concern. Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than in previous Dell products. For this reason, some previously approved methods of handling parts are no longer applicable. -
Page 29: Esd Field Service Kit
Always place parts in your hand, on the ESD mat, in the computer, or inside an anti-static bag. ● Transporting Sensitive Components – When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place these parts in anti-static bags for safe transport. Working inside your computer... -
Page 30: Transporting Sensitive Components
It is recommended to use the traditional wired ESD grounding wrist strap and protective anti-static mat always when servicing Dell products. In addition, it is critical to keep sensitive parts separate from all insulator parts while performing service and that they use anti-static bags for transporting sensitive components. - Page 31 NOTE: Screw color may vary with the configuration ordered. Table 27. Screw list Component Screw type Quantity Screw image Captive screw Base cover M2x5.5 Solid-state drive mounting M2x3.5 bracket Solid-state drive M1.6x1.8 Wireless card M2x3.5 M2x5.5 Battery M2x3.5 Heat sink Captive screws Touchpad assembly M2x2.3...
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Page 32: Major Components Of Inspiron 16 5645
(M2x3.5). The bracket is bundled with the system board as a service part and MUST NOT be removed from the system board. Major components of Inspiron 16 5645 The following image shows the major components of Inspiron 16 5645. Working inside your computer... - Page 33 Figure 7. Major components of Inspiron 16 5645 1. Base cover 2. Battery 3. System board 4. Wireless card 5. Memory modules 6. Palm-rest and keyboard assembly 7. Speakers 8. Display assembly 9. Touchpad bracket 10. Touchpad assembly 11. M.2 2230 solid-state drive with thermal plate...
- Page 34 16. Power button with optional fingerprint reader NOTE: Dell provides a list of components and their part numbers for the original computer configuration purchased. These parts are available according to warranty coverage purchased by the customer. Contact your Dell sales representative for purchase options.
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Page 35: Chapter 5: Removing And Installing Customer Replaceable Units (Crus)
Removing and installing Customer Replaceable Units (CRUs) The replaceable components in this chapter are Customer Replaceable Units (CRUs). CAUTION: Customers can replace only the Customer Replaceable Units (CRUs) following the safety precautions and replacement procedures. NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Base cover Removing the base cover Prerequisites... - Page 36 Removing and installing Customer Replaceable Units (CRUs)
- Page 37 Removing and installing Customer Replaceable Units (CRUs)
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Page 38: Installing The Base Cover
Figure 8. Removing the base cover Steps 1. Remove the six screws (M2x5.5) and loosen the two captive screws that secure the base cover to the palm-rest and keyboard assembly. 2. Using a plastic scribe, pry open the base cover starting from the recesses, which are located in the U-shaped indents at the top edge of the base cover, near the hinges. - Page 39 Removing and installing Customer Replaceable Units (CRUs)
- Page 40 Figure 9. Installing the base cover Steps 1. Connect the battery cable to its connector (BATT) on the system board. 2. Place the base cover on top of the palm-rest and keyboard assembly. 3. Align the screw holes on the base cover with the screw holes on the palm-rest and keyboard assembly, and snap the base cover latches into place.
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Page 41: Memory Module
About this task The following images indicate the location of the memory module and provide a visual representation of the removal procedure. NOTE: Inspiron 16 5645 supports a dual-channel RAM memory configuration. Figure 10. Removing the memory module Steps 1. Lift the Mylar to access the memory module. -
Page 42: Installing The Memory Module
The following images indicate the location of the memory module and provide a visual representation of the installation procedure. NOTE: Inspiron 16 5645 supports a dual-channel RAM memory configuration. Figure 11. Installing the memory module Steps 1. Lift the Mylar to access the memory-module slot. -
Page 43: M.2 Solid-State Drive
3. Slide the memory module firmly into the memory-module slot at an angle. 4. Press down on the memory module to snap it into place on the system board. Ensure that the memory-module retention clips have locked the memory module into place. NOTE: If you do not hear the click, remove the memory module and reinstall it. -
Page 44: Installing The Solid-State Drive
Installing the solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the solid-state drive and provide a visual representation of the installation procedure. -
Page 45: Wireless Card
Wireless card Removing the wireless card Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task The following images indicate the location of the wireless card and provide a visual representation of the removal procedure. Figure 14. -
Page 46: Installing The Wireless Card
Installing the wireless card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following images indicate the location of the wireless card and provide a visual representation of the installation procedure. Figure 15. -
Page 47: Speakers
Table 28. Antenna-cable color scheme (continued) Connectors on the Antenna-cable color Silkscreen marking wireless card Auxiliary Black ▲ (black triangle) 2. At an angle, slide the wireless card into the wireless-card slot (WLAN) on the system board. 3. Place the wireless-card bracket on the wireless card. 4. - Page 48 Figure 16. Removing the speakers Steps 1. Disconnect the speaker cable from its connector (SPK) on the system board. NOTE: To disconnect the speaker cable from the connector on the system board, pry up the bottom side of the cable connector’s head first and then pull it away from the connector (SPK) on the system board.
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Page 49: Installing The Speakers
2. Unroute and remove the speaker cable from the routing guides on palm-rest and keyboard assembly. 3. Lift the speakers, along with the cable, off the palm-rest and keyboard assembly. Installing the speakers Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task NOTE: If the rubber grommets are pushed out when removing the speakers, push them back in before replacing the... - Page 50 Figure 17. Installing the speakers Steps NOTE: If the rubber grommets are pushed out when removing the speakers, push them back in before replacing the speakers. Using the alignment posts and rubber grommets, place the speakers in the slots on the palm-rest and keyboard assembly. NOTE: Ensure that the alignment posts are threaded through the rubber grommets on the speakers.
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Page 51: Fan
2. Route the speaker cable along the bottom side of the palm-rest and keyboard assembly, over the wireless-antenna cables. Then secure the speaker cable into the routing guides on the palm-rest and keyboard assembly. NOTE: The speaker cable must be routed through the routing guides to avoid damaging the speaker cable when installing the base cover. -
Page 52: Installing The Fan
Figure 18. Removing the fan Steps 1. Disconnect the fan cable from its connector (FAN) on the system board. 2. Remove the two screws (M2x5.5) that secure the fan to the palm-rest and keyboard assembly. 3. Lift the fan, along with the fan cable, off the palm-rest and keyboard assembly. Installing the fan Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. - Page 53 Figure 19. Installing the fan Steps 1. Place and align the fan, along with fan cable, in the slot on the palm-rest and keyboard assembly. 2. Align the screw holes on the fan to the screw holes on the palm-rest and keyboard assembly. 3.
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Page 54: Chapter 6: Removing And Installing Field Replaceable Units (Frus)
● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing, bending, or crushing a rechargeable Li-ion battery can be dangerous. In such an instance, contact Dell technical support for assistance. See www.dell.com/contactdell. -
Page 55: Disconnecting The Battery Cable
The following image indicates the location of the battery and provides a visual representation of the removal procedure. NOTE: Inspiron 16 5645 supports the following: ● 4-cell, 54 Wh, Lithium Ion Polymer, ExpressCharge Capable ● 4-cell, 64 Wh, Lithium Ion Polymer, ExpressCharge Capable Figure 20. - Page 56 Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. About this task The following image indicates the location of the battery cable and provides a visual representation of the removal procedure. Figure 21.
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Page 57: Connecting The Battery Cable
Connecting the battery cable CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the battery cable and provides a visual representation of the installation procedure. Removing and installing Field Replaceable Units (FRUs) -
Page 58: Installing The Battery
Figure 22. Connecting the battery cable Steps 1. Connect the battery cable to the connector on the battery and close the latch. 2. Route the battery cable through the routing guides on the battery. Next steps 1. Install the battery. 2. - Page 59 Figure 23. Installing the battery Steps 1. Place the battery, along with the battery cable, in the slot on the palm-rest and keyboard assembly. 2. Align the screw holes on the battery to the screw holes on the palm-rest and keyboard assembly. NOTE: While installing the battery, insert the cut-outs on the battery into the hooks on the palm-rest and keyboard assembly.
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Page 60: Heat Sink
Heat sink Removing the heat sink CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task NOTE: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it. -
Page 61: Installing The Heat Sink
Installing the heat sink CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task NOTE: If either the system board or the heat sink is replaced, use the thermal grease that is provided in the kit to ensure that thermal conductivity is achieved. -
Page 62: Touchpad
Touchpad Removing the touchpad assembly CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the battery. About this task The following images indicate the location of the touchpad assembly and provide a visual representation of the removal procedure. -
Page 63: Installing The Touchpad Assembly
Steps 1. Open the latch and disconnect the touchpad cable from its connector (TP) on the system board. 2. Remove the five screws (M2x2.3) that secure the touchpad bracket to the palm-rest and keyboard assembly. 3. Slide and lift the touchpad bracket off the touchpad assembly. 4. - Page 64 Figure 27. Installing the touchpad assembly Steps 1. Align and place the touchpad, along with the touchpad cable, in the slot on the palm-rest and keyboard assembly. 2. Replace the two screws (M2x2.3) that secure the touchpad assembly to the palm-rest and keyboard assembly. 3.
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Page 65: Display Assembly
Display assembly Removing the display assembly CAUTION: The information in this section is intended for authorized service technicians only. CAUTION: The maximum operating angle for the display-panel hinge is 135 degrees. Prerequisites 1. Follow the procedure in Before working inside your computer. -
Page 66: Installing The Display Assembly
Figure 28. Removing the display assembly Steps 1. Remove the five screws (M2.5x5) that secure the display hinges to the palm-rest and keyboard assembly. 2. Disconnect the display cable from its connector (eDP) on the system board. 3. Remove the display cable from the routing guides on the palm-rest and keyboard assembly. 4. - Page 67 About this task NOTE: Ensure that the display hinges are opened to the maximum before replacing the display assembly on the palm-rest and keyboard assembly. The following images indicate the location of the display assembly and provide a visual representation of the installation procedure.
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Page 68: I/O-Board Cable
Figure 29. Installing the display assembly Steps 1. Place the display assembly on a clean and flat surface. 2. Slide the palm-rest and keyboard assembly at an angle and place the palm-rest and keyboard assembly on the display assembly. NOTE: The power-adapter port is secured in place by the left hinge. -
Page 69: Installing The I/O-Board Cable
Figure 30. Removing the I/O-board cable Steps 1. Open the latch and disconnect the I/O-board cable from its connector (IO) on the system board. 2. Open the latch and disconnect the I/O-board cable from its connector on the I/O board. 3. -
Page 70: I/O Board
Figure 31. Installing the I/O-board cable Steps 1. Place the I/O-board cable on the palm-rest and keyboard assembly. 2. Connect the I/O-board cable to its connector on the I/O board and close the latch. 3. Connect the I/O-board cable to its connector (IO) on the system board and close the latch. Next steps 1. -
Page 71: Installing The I/O Board
Figure 32. Removing the I/O board Steps 1. Remove the three screws (M2.5x5) that secure the hinge to the palm-rest and keyboard assembly. 2. Pry open the hinge away from the palm-rest and keyboard assembly to access the I/O board. 3. - Page 72 Figure 33. Installing the I/O board Steps 1. Align the ports on the I/O board to the port openings on the palm-rest and keyboard assembly. 2. Carefully slide and place the I/O board at an angle, on the palm-rest and keyboard assembly. 3.
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Page 73: Power Button
Power button Removing the power button CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the board. About this task The following image indicates the location of the power button and provides a visual representation of the removal procedure. -
Page 74: Installing The Power Button
Installing the power button CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image indicates the location of the power button and provides a visual representation of the installation procedure. -
Page 75: Power Button With Optional Fingerprint Reader
Power button with optional fingerprint reader Removing the power button with optional fingerprint reader CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. -
Page 76: Installing The Power Button With Optional Fingerprint Reader
Installing the power button with optional fingerprint reader CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task NOTE: This procedure applies only to computers shipped with a power button with fingerprint reader installed. -
Page 77: Power-Adapter Port
Figure 38. Installing the power button - Grounding tape adhered to keyboard plate Next steps 1. Install the board. 2. Install the base cover. 3. Follow the procedure in After working inside your computer. Power-adapter port Removing the power-adapter port CAUTION: The information in this section is intended for authorized service technicians only. -
Page 78: Installing The Power-Adapter Port
Figure 39. Removing the power-adapter port Steps 1. Remove the two screws (M2.5x5) that secure the hinge to the system board and the palm-rest and keyboard assembly. 2. Pry open the hinge away from the palm-rest and keyboard assembly to access the power-adapter port. 3. -
Page 79: System Board
Figure 40. Installing the power-adapter port Steps 1. Align and place the power-adapter port in the slot on the palm-rest and keyboard assembly. NOTE: The power-adapter port is secured in place by the hinge. There is no screw, tape, or adhesive securing the power-adapter port to the palm-rest.Technicians should ensure that the power-adapter port has not fallen out when the right hinge is removed. - Page 80 Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the memory module. 4. Remove the solid-state drive. 5. Remove the wireless card. 6. Remove the fan. 7. Remove the heat sink. NOTE: When removing the system board to replace/access other parts, the system board can be removed with the heat sink attached to it in order to simplify the procedure and preserve the thermal bond between the system board and...
- Page 81 The following images indicate the location of the system board and provide a visual representation of the removal procedure. Removing and installing Field Replaceable Units (FRUs)
- Page 82 Figure 42. Removing the system board Steps 1. Remove the two screws (M2.5x5) that secure the hinge to the palm-rest and keyboard assembly. 2. Open the display hinge at an angle of 90 degrees. 3. Disconnect the following cables on the system board: a.
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Page 83: Installing The System Board
6. Carefully lift and remove the system board from the palm-rest and keyboard assembly. Installing the system board CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task NOTE: When installing the system board to replace/access other parts, the system board can be installed with the heat... - Page 84 Figure 43. System board overview 1. I/O board cable (IO) 2. Wireless card slot (WLAN) 3. Display cable (eDP) 4. Power-adapter port cable (DCIN) 5. Memory slots x2 (DIMM A DDR5 ONLY + DIMM B DDR5 ONLY) 6. Keyboard cable (KB) 7.
- Page 85 Removing and installing Field Replaceable Units (FRUs)
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Page 86: Palm-Rest And Keyboard Assembly
Figure 44. Installing the system board Steps 1. Align the ports on the system board to the port openings on the palm-rest and keyboard assembly. 2. At an angle, carefully slide and place the system board on the palm-rest and keyboard assembly. 3. - Page 87 Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the memory module. 4. Remove the solid-state drive. 5. Remove the wireless card. 6. Remove the speakers. 7. Remove the fan. 8. Remove the battery. 9.
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Page 88: Installing The Palm-Rest And Keyboard Assembly
Steps After performing the pre-requisites, you are left with the palm-rest and keyboard assembly. Installing the palm-rest and keyboard assembly CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task NOTE: The system board can be installed with the heat sink attached to it in order to simplify the procedure and preserve... - Page 89 4. Install the board. 5. Install the display assembly. 6. Install the I/O-board cable. 7. Install the touchpad assembly. 8. Install the heat sink. 9. Install the battery. 10. Install the fan. 11. Install the speakers. 12. Install the wireless card.
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Page 90: Chapter 7: Software
● Windows 11 Home National Academic ● Windows 11 Pro ● Windows 11 Pro National Academic Drivers and downloads When troubleshooting, downloading, or installing drivers, it is recommended that you read the Dell Knowledge Base article, Drivers and Downloads FAQs 000123347. Software... -
Page 91: Chapter 8: Bios Setup
BIOS Setup CAUTION: Unless you are an expert computer user, do not change the settings in the BIOS Setup. Certain changes can make your computer work incorrectly. NOTE: Depending on the computer and its installed devices, the items that are listed in this section may or may not be displayed. -
Page 92: System Setup Options
The F12 One Time Boot menu displays the devices that you can boot from including the diagnostic option. The boot menu options are: ● Removable Drive (if available) ● STXXXX Drive (if available) NOTE: XXX denotes the SATA drive number. ●... - Page 93 Table 31. System setup options—Advanced menu (continued) Advanced SATA/NVMe Operation mode Allows you to configure the operating mode of the integrated SATA hard drive controller. Default: AHCI /NVMe Adapter Warnings Allows you to choose if the computer should display warning messages when you use AC adapters that are not supported by your computer.
- Page 94 Default: Disabled SupportAssist System Resolution Auto OS Recovery Threshold Controls the automatic boot flow for SupportAssist System Resolution Console and for the Dell OS Recovery tool. Default: 2 SupportAssist OS Recovery Enables or disables the boot flow for the SupportAssist OS Recovery tool in the even of certain system errors.
- Page 95 Table 32. System setup options—Security menu (continued) Security Default: On PPI Bypass for Enable Commands Controls the TPM Physical Presence Interface(PPI). When enabled, this setting allows the OS to skip BIOS PPI user prompts when issuing TPM PPI enable and activate commands.
- Page 96 Table 32. System setup options—Security menu (continued) Security Secure Boot Mode Prevents any malicious software from loading when computer starts up. Default: Deployed Mode User Customized Security Default: No Secure Boot Enables or disables Secure Boot. Default: Disabled Select Secure Mode Default: Deployed Mode Expert Key Management Custom Mode...
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Page 97: Updating The Bios
Time Boot menu on the computer. Most of the Dell computers built after 2012 have this capability, and you can confirm by booting your computer to the F12 One Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your computer. If the option is listed, then the BIOS supports this BIOS update option. -
Page 98: System And Setup Password
● USB drive formatted to the FAT32 file system (key does not have to be bootable) ● BIOS executable file that you downloaded from the Dell Support website and copied to the root of the USB drive ● AC power adapter that is connected to the computer ●... -
Page 99: Deleting Or Changing An Existing System Setup Password
Clearing BIOS (System Setup) and System passwords About this task To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information about how to reset Windows or application passwords, see the documentation accompanying Windows or your application. -
Page 100: Chapter 9: Troubleshooting
● Using a non-Dell or incompatible battery may increase the risk of fire or explosion. Replace the battery only with a compatible battery purchased from Dell that is designed to work with your Dell computer. Do not use a battery from other computers with your computer. -
Page 101: Dell Supportassist Pre-Boot System Performance Check Diagnostics
Check diagnostics About this task SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware. The Dell SupportAssist Pre-boot System Performance Check diagnostics is embedded with the BIOS and launched by the BIOS internally. The embedded system diagnostics provides options for particular devices or device groups allowing you to: ●... -
Page 102: Lcd Power Rail Test (L-Bist)
LCD Built-in Self-Test (BIST) Dell laptops have a built-in diagnostic tool that helps you determine if the screen abnormality you are experiencing is an inherent problem with the LCD (screen) of the Dell laptop or with the video card (GPU) and computer settings. -
Page 103: System-Diagnostic Lights
System-diagnostic lights This section lists the system-diagnostic lights of your Inspiron 16 5645. Table 37. System-diagnostic lights Blinking pattern Amber White Problem description Suggested resolution TPM detection failure Replace the system board. Unrecoverable SPI Flash Replace the system board. Failure... -
Page 104: Recovering The Operating System
It enables you to diagnose hardware issues, repair your computer, back up your files, or restore your computer to its factory state. You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into their primary operating system due to software or hardware failures. -
Page 105: Real-Time Clock (Rtc Reset)
Real-Time Clock (RTC Reset) The Real Time Clock (RTC) reset function allows you or the service technician to recover Dell computers from No POST/No Power/No Boot situations. The legacy jumper enabled RTC reset has been retired on these models. Start the RTC reset with the computer powered off and connected to AC power. Press and hold the power button for thirty (30) seconds. - Page 106 8. Connect the power adapter to your computer. 9. Turn on your computer. NOTE: For more information about performing a hard reset, search in the Knowledge Base Resource at www.dell.com/ support. Troubleshooting...
- Page 107 Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 38. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app...