Front....................................... 8 Bottom....................................9 Service Tag................................... 9 Modes....................................10 Battery charge and status light .............................12 Chapter 2: Set up your Inspiron 14 7440 2-in-1................13 Chapter 3: Specifications of Inspiron 14 7440 2-in-1..............16 Dimensions and weight..............................16 Processor..................................... 16 Chipset....................................17 Operating system................................
Page 4
After working inside your computer........................31 BitLocker..................................31 Recommended tools................................31 Screw list.....................................32 Major components of Inspiron 14 7440 2-in-1......................32 Chapter 6: Removing and installing Customer Replaceable Units (CRUs)........35 Base cover..................................35 Removing the base cover............................35 Installing the base cover............................37 Memory module.................................
Page 5
Clearing BIOS (System Setup) and System passwords..................96 Chapter 10: Troubleshooting....................... 97 Handling swollen rechargeable Li-ion batteries......................97 Locating the Service Tag or Express Service Code of your Dell computer ............97 Dell SupportAssist Pre-boot System Performance Check diagnostics..............98 Running the SupportAssist Pre-Boot System Performance Check..............98 Built-in self-test (BIST)..............................
Views of Inspiron 14 7440 2-in-1 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.
If the power button has a fingerprint reader, place your finger on the power button steadily to log in. NOTE: You can customize the power-button behavior in Windows. 2. Touchpad Move your finger on the touchpad to move the mouse pointer. Tap to left-click and two fingers tap to right-click. Views of Inspiron 14 7440 2-in-1...
Slide the privacy shutter to the left to access the camera lens. 4. Camera-status light Turns on when the camera is in use. 5. Right microphone Provides digital sound input for audio recording and voice calls. 6. Display Displays the data, videos, and photos. Views of Inspiron 14 7440 2-in-1...
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. Views of Inspiron 14 7440 2-in-1...
Figure 6. Image: Service Tag location Modes The following modes are applicable for your 2-in-1 computers. Notebook Figure 7. Image: Notebook mode Views of Inspiron 14 7440 2-in-1...
Page 11
Tablet Figure 8. Image: Tablet mode Stand Figure 9. Image: Stand mode Tent Figure 10. Image: Tent mode Views of Inspiron 14 7440 2-in-1...
Battery charge and status light The following table lists the battery charge and status light behavior of your Inspiron 14 7440 2-in-1. Table 1. Battery charge and status light behavior Power Source LED Behavior System Power State Battery Charge Level...
Dell Support Site. 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 14
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: ●...
Page 15
Table 3. Locate Dell apps in Windows Resources Description NOTE: In SupportAssist, click the warranty expiry date to renew or upgrade your warranty. Set up your Inspiron 14 7440 2-in-1...
● Maximum: 1.74 kg (3.84 lb) the configuration that is ordered and manufacturing variability. Processor The following table lists the details of the processors that are supported in your Inspiron 14 7440 2-in-1. Table 5. Processor Description Option one Option two...
Chipset The following table lists the details of the chipset that is supported in your Inspiron 14 7440 2-in-1. Table 6. Chipset Description Values Chipset Integrated in the processor Processor 14th Generation Intel Core i3/i5/i7 DRAM bus width 64-bit Flash EPROM...
M.2 cards, search in the Knowledge Base Resource at Dell Support Site. Wireless module The following table lists the Wireless Local Area Network (WLAN) modules that are supported on your Inspiron 14 7440 2-in-1. Table 10. Wireless module specifications Description Option one Option two...
Your Inspiron 14 7440 2-in-1 supports the following storage configuration: ● One M.2 2230 solid-state drive The primary drive of your, Inspiron 14 7440 2-in-1 varies with the storage configuration. For computers with a M.2 drive, the M.2 drive is the primary drive...
M.2 2230 solid-state drive PCIe Gen 4 x4 NVMe Up to 1 TB Media-card reader The following table lists the media cards that are supported in your Inspiron 14 7440 2-in-1. Table 13. Media-card reader specifications Description Values Media-card type...
Keyboard shortcuts of Inspiron 14 7440 2-in-1 NOTE: Keyboard characters may differ depending on the keyboard language configuration. Keys that are used for shortcuts remain the same across all language configurations. Some keys on your keyboard have two symbols on them. These keys can be used to type alternate characters or to perform secondary functions.
Boot directly to e-Diags Diagnostics fn + Copilot Open the application menu fn + En/Ko (Korean) Hanja Camera The following table lists the camera specifications of your Inspiron 14 7440 2-in-1. Table 17. Camera specifications Description Values Number of cameras Camera type...
Power adapter The following table lists the power adapter specifications of your Inspiron 14 7440 2-in-1. Table 19. Power adapter specifications Description Values Type 65 W USB Type-C adapter Power-adapter dimensions: Height 28 mm (1.10 in.) Width 51 mm (2.00 in.) Depth 112 mm (4.40 in.)
If your battery charge is depleted, connect the power adapter, turn on your computer, and then restart your computer to reduce the power consumption. Display The following table lists the display specifications of your Inspiron 14 7440 2-in-1. Table 21. Display specifications Description...
Power consumption (maximum) 3.20 W Anti-glare vs glossy finish Glossy Fingerprint reader (optional) The following table lists the specifications of the optional fingerprint-reader of your Inspiron 14 7440 2-in-1. Table 22. Fingerprint reader specifications Description Values Fingerprint-reader sensor technology Capacitive...
External display support The following table lists the external display support for your Inspiron 14 7440 2-in-1. Table 24. External display support Graphics card Supported external displays with Supported external displays with laptop display enabled laptop display disabled For example, iGPU only Operating and storage environment This table lists the operating and storage specifications of your Inspiron 14 7440 2-in-1.
ComfortView mode can be enabled and configured using the Dell CinemaColor application. ComfortView mode complies with TÜV Rheinland's requirement for low blue light displays. Low blue light: Dell ComfortView software technology reduces harmful blue light emissions to make extended screen time easy on your eyes.
You should only perform troubleshooting and repairs as authorized or directed by the Dell technical support 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 Dell Regulatory Compliance Home Page.
NOTE: Ensure that your computer is shut down and the power adapter is disconnected. a. Press and hold the B key and the power button on the keyboard for 3 seconds or until the Dell logo appears on the screen.
received a static shock and immediately generates a "No POST/No Video" symptom with a beep code that is emitted for missing or non-functional memory. ● Intermittent – Intermittent failures represent approximately 80 percent of ESD-related failures. The high rate of intermittent failures means that most of the time when damage occurs, it is not immediately recognizable.
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.
M2x3 I/O board M2x3 Wireless-card bracket M2x3 Solid-state drive M2x3 Type-C bracket M2x4 M2x4 Touchpad M2x2.5 M2x2 Major components of Inspiron 14 7440 2-in-1 The following image shows the major components of Inspiron 14 7440 2-in-1. Working inside your computer...
Page 33
Figure 12. Major components of the system 1. Base cover 2. Battery 3. Memory module 4. Heat sink 5. System board 6. Speaker 7. Touchpad 8. Palm-rest and keyboard assembly 9. Display assembly 10. Power button 11. I/O board Working inside your computer...
Page 34
14. Wireless card 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.
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
Figure 13. Loosen the screws Removing and installing Customer Replaceable Units (CRUs)
Figure 14. Removing the base cover Steps 1. Remove the four screws (M2x4) that secure the base cover to the palm-rest and keyboard assembly. 2. Loosen the three captive screws that secure the base cover to the palm-rest and keyboard assembly. NOTE: Upon loosening the captive screws, the base cover will open up creating a gap between the base cover and the palm-rest assembly at the hinges.
Page 38
Figure 15. Installing the base cover Removing and installing Customer Replaceable Units (CRUs)
Figure 16. Tighten the screws Steps 1. Align the screw holes on the base cover with the screw holes on the palm-rest and keyboard assembly, and then snap the base cover into place. 2. Tighten the three captive screws that secure the base cover to the palm-rest and keyboard assembly. 3.
Page 40
NOTE: Ensure that your computer is in Service Mode. For more information see, Before working inside your computer. 2. Remove the base cover. About this task The following image indicates the location of the memory module and provides a visual representation of the removal procedure. Figure 17.
Installing the memory module Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task The following image indicates the location of the memory module and provides a visual representation of the installation procedure.
NOTE: Repeat step 1 to step 4 to install any other memory modules installed in your computer. Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer. Solid-state drive Removing the M.2 2230 solid-state drive Prerequisites 1.
5. Lift the M.2 2230 solid-state drive off the M.2 2230 solid-state drive mounting bracket. Installing the M.2 2230 solid-state drive Prerequisites If you are replacing a component, remove the existing component before performing the installation process. About this task NOTE: The support card configuration on the M.2 card slot is: ●...
Wireless card Removing the wireless card Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: Ensure that your computer is in Service Mode. For more information see, Before working inside your computer. 2. Remove the base cover. About this task The following image indicates the location of the wireless card and provides a visual representation of the removal procedure.
4. Slide and lift the wireless card off the system board. 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 image indicates the location of the wireless card and provides a visual representation of the installation procedure. Figure 22.
Table 27. Antenna-cable color scheme Connectors on the Antenna-cable color Silkscreen marking wireless card △ (white triangle) Main White MAIN Auxiliary Black ▲ (black triangle) 4. Replace the screw (M2x3) that secures the wireless-card bracket to the wireless card. Next steps 1.
Steps 1. Disconnect the fan cable from the fan-cable connector (FN1) on the system board. 2. Remove the two screws (M2x4) that secure the fan to the palm-rest and keyboard assembly. 3. Lift the fan 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.
● 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 Contact Support at Dell Support Site.
Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: Ensure that your computer is in Service Mode. For more information see, Before working inside your computer. 2. Remove the base cover. About this task CAUTION: Removing the battery resets the BIOS setup settings to default. It is recommended that you note the BIOS setup settings before removing the battery.
Figure 26. Installing the battery Steps 1. Align the screw holes on the battery with the screw holes on the palm-rest and keyboard assembly. 2. Replace the five screws (M2x3) that secure the battery to the palm-rest and keyboard assembly. 3.
Figure 27. Disconnecting the battery cable Steps 1. Unroute the battery cable from the routing guides on the battery. 2. Open the latch and disconnect the battery cable from the connector on the battery. CAUTION: DO NOT pull the battery cable to disconnect it from the battery, it may damage the battery or the battery cable.
Figure 28. 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.
Figure 29. Removing the heat sink Steps 1. In reverse sequential order (4 > 3 > 2 > 1), loosen the four captive screws that secure the heat sink to the system board. 2. Lift the heat sink off the system board. Installing the heat sink CAUTION: The information in this section is intended for authorized service technicians only.
Figure 30. Installing the heat sink Steps 1. Place the heat sink on the system board. 2. Align the screw holes on the heat sink with the screw holes on the system board. 3. In sequential order (1 > 2 > 3 > 4) tighten the four captive screws that secure the heat sink to the system board. Next steps 1.
Figure 31. Removing the I/O board Steps 1. Remove the two screws (M2.5x5) that secure the left display hinge to the palm-rest and keyboard assembly. 2. Pry open the left display hinge to an angle of 90 degrees. 3. Lift the latch and disconnect the power-button with fingerprint reader cable from the I/O board. NOTE: This step is only applicable to computers shipped with the optional fingerprint reader.
Figure 32. Installing the I/O board Steps 1. Place the I/O board on the palm-rest and keyboard assembly. 2. Align the screw holes on the I/O board with the screw holes on the palm-rest and keyboard assembly. 3. Replace the screw (M2x3) that secure the I/O board to the palm-rest and keyboard assembly. 4.
About this task NOTE: This procedure is applicable only for computers that are shipped without the optional fingerprint reader. The following image indicates the location of the power button and provides a visual representation of the removal procedure. Figure 33. Removing the power button Steps 1.
Figure 34. Installing the power button Steps 1. Place the power button into its slot on the palm-rest and keyboard assembly. 2. Align the screw hole on the power button with the screw hole on the palm-rest and keyboard assembly. 3.
Figure 35. Removing the power button with fingerprint reader Steps 1. Lift the Mylar covering the fingerprint-reader cable. 2. Remove the screw (M2x3) that secures the power button with fingerprint reader to the palm-rest and keyboard assembly. 3. Remove the fingerprint-reader cable from the palm-rest and keyboard assembly. 4.
Figure 36. Installing the power button with fingerprint reader Steps 1. Align and place the power button, along with the fingerprint-reader cable, into its slot on the palm-rest and keyboard assembly. 2. Align the screw hole on the power button with the screw holes on the palm-rest and keyboard assembly. 3.
Figure 37. Removing the touchpad Steps 1. Lift the latch and disconnect the touchpad cable from the touchpad-cable connector (TP1) on the system board. 2. Lift the latch and disconnect the touchpad cable from the touchpad. 3. Lift the touchpad cable off the palm-rest and keyboard assembly. 4.
Page 62
Figure 38. Installing the touchpad Steps 1. Place the touchpad into its slot on the palm-rest and keyboard assembly. 2. Align the screw holes on the touchpad with the screw holes on the palm-rest and keyboard assembly. 3. Replace the four screws (M2x2) and the screw (M2x2.5) that secure the touchpad to the palm-rest and keyboard assembly. 4.
Speakers Removing the speakers CAUTION: The information in this section is intended for authorized service technicians only. Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: Ensure that your computer is in Service Mode. For more information see, Before working inside your computer.
Steps 1. Lift the latch and disconnect the keyboard-backlight cable from the keyboard-backlight cable connector (KBBL1) on the system board. 2. Lift the latch and disconnect the keyboard cable from the keyboard cable connector (KB1) on the system board. 3. Lift the latch and disconnect the touchpad cable from the touchpad-cable connector (TP1) on the system board. 4.
Page 65
Figure 40. Installing the speakers Steps 1. Using the alignment posts and rubber grommets, place the speakers on the slots of the palm-rest and keyboard assembly. 2. Route the speaker and wireless module cables through the routing guides on the palm-rest and keyboard assembly. 3.
Display assembly Removing the display 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. NOTE: Ensure that your computer is in Service Mode. For more information see, Before working inside your computer.
Figure 42. Removing the display assembly Steps 1. Peel the tape that secures the display-cable connector latch to the system board. 2. Lift the latch and disconnect the display cable from the display-cable connector (LCD) on the system board. 3. Remove the two screws (M2.5x5) that secure the left display hinge to the palm-rest and keyboard assembly. 4.
Page 68
Figure 43. Installing the display assembly Figure 44. Replacing the screws Removing and installing Field Replaceable Units (FRUs)
Steps 1. Place the display assembly on a clean and flat surface. 2. Place the palm-rest and keyboard assembly on the display assembly. 3. Align the screw holes on the left display hinge with the screw holes on the palm-rest and keyboard assembly. 4.
Page 71
Steps Figure 46. Removing the screws on the right hinge 1. Remove the three screws (M2.5x5) that secure the right display hinge to the palm-rest and keyboard assembly. Figure 47. Removing the cable connectors 2. Lift the I/O-board cable-connector (IOBD1) latch and disconnect the I/O-board cable from the system board. 3.
4. Lift the latch and disconnect the touchpad cable from the touchpad-cable connector (TP1) on the system board. 5. Lift the latch and disconnect the keyboard cable from the keyboard-cable connector (KB1) on the system board. 6. Lift the latch and disconnect the keyboard-backlight cable from the keyboard-backlit cable connector (KBBL1) on the system board.
Page 73
About this task The following image indicates the connectors on your system board. Figure 49. Connectors on the system board 1. Fan-cable connector (FN1) 2. M.2 wireless-card connector 3. Display-cable connector(LCD) 4. Memory module connector 5. Keyboard-backlight cable connector(KBBL1) 6. Keyboard-cable connector (KB1) 7.
Page 74
Steps Figure 50. Installing the system board 1. Align the screw holes on the system board with the screw holes on the palm-rest and keyboard assembly. 2. Replace the two screws (M2x2) that secure the system board to the palm-rest and keyboard assembly. Figure 51.
Page 75
Figure 52. Replacing the cable connectors 5. Connect the I/O board cable to the I/O board cable-connector (IOBD1) on the system board. 6. Connect the speaker cable to the speaker-cable connector (SPK1) on the speaker board. 7. Connect the touchpad cable to the touchpad-cable connector (TP1) on the system board and close the latch. 8.
4. Install the M.2 2230 solid-state drive. 5. Install the wireless card. 6. Install the battery. 7. Install the base cover. 8. Follow the procedure in After working inside your computer. Palm-rest and keyboard assembly Removing the palm-rest and keyboard assembly CAUTION: The information in this section is intended for authorized service technicians only.
Figure 54. Removing the palm-rest and keyboard assembly Steps After performing the steps in 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.
Page 78
Figure 55. Installing the palm-rest and keyboard assembly Steps Place the palm-rest and keyboard assembly on a clean and flat surface. Next steps 1. Install the system board. NOTE: The system board can be installed with the heatsink attached. 2. Install the display assembly.
● Windows 11 Home in S-mode ● 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...
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 the installed devices, the options that are listed in this section may or may not be displayed.
Depending on your computer and its installed devices, the items that are listed in this section may or may not be displayed. Table 29. System setup options—Overview menu Overview Inspiron 14 7440 2-in-1 BIOS Version Displays the BIOS version number. Service Tag Displays the Service Tag of the computer.
Page 82
The computer stops booting to the operating system when a component is not authenticated during the boot process. Secure Boot can be enabled in BIOS setup or using management interfaces like Dell Command|Configure, but can only be disabled from BIOS setup.
Page 83
By default, the Enable Microsoft UEFI CA option is enabled. For additional security, Dell Technologies recommends keeping the Microsoft UEFI CA option enabled to ensure the broadest compatibility with devices and operating systems.
Page 84
Table 31. System setup options—Integrated Devices menu (continued) Integrated Devices By default, the Enable Intenal Speaker option is enabled. USB/Thunderbolt Configuration Enable USB Boot Support Enables booting from USB mass storage devices that are connected to external USB ports. By default, the Enable USB Boot Support option is enabled. Enable External USB Ports Enables the external USB ports.
Page 85
USB Wake Support Wake on Dell USB-C Dock When enabled, connecting a Dell USB-C Dock wakes the computer from Standby, Hibernate, and Power Off. By default, the Wake on Dell USB-C Dock option is enabled. BIOS Setup...
Page 86
BIOS. This option returns to the disabled state when the computer restarts. By default, the Clear option is disabled. Dell Technologies recommends enabling the Clear option only when PTT fTPM data needs to be cleared. SMM Security Mitigation Enables or disables additional UEFI SMM Security Mitigation protections.
Page 87
By default, the Start Data Wipe option is disabled. Absolute Absolute Software provides various cyber security solutions, some requiring software preloaded on Dell computers and integrated into the BIOS. To use these features, you must enable the Absolute BIOS setting and contact Absolute for configuration and activation.
Page 88
BIOS passwords. You can modify the minimum and maximum length of the passwords and require passwords to contain certain character classes (upper case, lower case, digit, special character). Dell Technologies recommends setting the minimum password length to at least eight characters. Password Bypass The Password Bypass option allows the computer to reboot from the operating system without entering the computer or hard drive password.
Page 89
When an internal hard drive password is set, it must first be cleared before Master Password Lockout can be changed. By default, the Enable Master Password Lockout option is disabled. Dell does not recommend enabling the Master Password Lockout unless you have implemented your own password recovery computer. Allow Non-Admin PSID Revert...
Page 90
Allows you to control the automatic boot flow for SupportAssist System Resolution Console and for Dell operating system Recovery Tool. By default, the Dell Auto OS Recovery Threshold value is set to 2. Table 39. System setup options—System Management menu ...
Page 91
Table 40. System setup options—Keyboard menu (continued) Keyboard Keyboard Backlight Timeout on Battery Sets the timeout value for the keyboard backlight when the computer is running only on the battery power. The keyboard backlight timeout value is only effective when the backlight is enabled. By default, the 1 minute option is selected.
Page 92
Table 42. System setup options—Virtualization menu (continued) Virtualization Support By default, the Enable Pre-Boot DMA Support option is enabled. For additional security, Dell Technologies recommends keeping the Enable Pre- Boot DMA Support option enabled. NOTE: This option is provided only for compatibility purposes, since some older hardware is not DMA capable.
Updating the BIOS Updating the BIOS in Windows Steps 1. Go to Dell Support Site. 2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search. NOTE: If you do not have the Service Tag, use the SupportAssist to automatically identify your computer. You can also use the product ID or manually browse for your computer model.
● USB drive formatted to the FAT32 file system (the drive 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 must be connected to the computer ●...
CAUTION: Anyone can access the data that is stored on your computer, when left unattended. NOTE: System and setup password feature is disabled. Assigning a System Setup password Prerequisites You can assign a new System or Admin Password only when the status is in Not Set. About this task To enter BIOS System Setup, press F2 immediately after a power-on or reboot.
Clearing BIOS (System Setup) and System passwords About this task To clear the computer or BIOS passwords, contact Dell technical support as described at Contact Support. For more information, go to Dell Support Site. NOTE: For information about how to reset Windows or application passwords, see the documentation accompanying Windows or your application.
● 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.
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: ●...
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.
The following diagnostic light codes and recommended solutions are intended for Dell service technicians to troubleshoot problems. 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. Table 47. System-diagnostic lights ...
You can also download it from the Dell Support website to troubleshoot and fix your computer when it fails to boot into the primary operating system due to software or hardware failures.
6. Install the battery. 7. Install the base cover. 8. Connect the power adapter to the computer. 9. Turn on the computer. NOTE: For more information about performing a hard reset, search in the Knowledge Base Resource at the Dell Support Site. Troubleshooting...
Getting help and contacting Dell Technologies Self-help resources You can get information and help on Dell Technologies products and services using these self-help resources: Table 48. Self-help resources Self-help resources Resource location Information about Dell Technologies products and services Dell Site...
Need help?
Do you have a question about the Inspiron 14 7440 2-in-1 and is the answer not in the manual?
Questions and answers
does the dell inspiron 14 7440 2-in-1 have a sim slot
The provided information does not mention a SIM slot for the Dell Inspiron 14 7440 2-in-1.
This answer is automatically generated