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Related Manuals for Dell Vostro 3890
Summary of Contents for Dell Vostro 3890
- Page 1 Vostro 3890 Service Manual Regulatory Model: D29M Regulatory Type: D29M004 April 2021 Rev. A00...
- Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
- Page 3 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 4 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 For this reason, some previously approved methods of handling parts are no longer applicable.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 5 It is recommended that all field service technicians use the traditional wired ESD grounding wrist strap and protective anti-static mat at all times when servicing Dell products. In addition, it is critical that technicians keep sensitive parts separate from all insulator parts while performing service and that they use anti-static bags for transporting sensitive components.
- Page 6 After working inside your computer About this task CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. Steps 1. Replace all screws and ensure that no stray screws remain inside your computer. 2. Connect any external devices, peripherals, or cables you removed before working on your computer. 3.
- Page 7 Disassembly and reassembly Recommended tools The procedures in this document may require the following tools: ● Phillips screwdriver #1 and #2 ● Plastic scribe Screw List The following table shows the screw list and the images for different components. NOTE: When removing screws from a component, it is recommended to note the screw type, the quantity of screws, and then place them in a screw storage box.
- Page 8 Major components of your system 1. Side cover Disassembly and reassembly...
- Page 9 2. Optical drive (Optional) 3. 2.5-inch Hard-drive (Optional) 4. Fan shroud 5. Fan and Heat-sink assembly 6. 3.5-inch Hard-drive 7. Memory module 8. Power button 9. Front bezel 10. Chassis 11. System board 12. Graphics card 13. Processor 14. Power-supply unit Side cover Removing the side cover Prerequisites...
- Page 10 Steps 1. Loosen the two thumb screws (#6-32) that secures the side cover to the computer chassis. 2. Using the tab on the side cover, slide the cover towards the back and remove the side cover off the chassis. Installing the side cover Prerequisites If you are replacing a component, remove the existing component before performing the installation process.
- Page 11 Steps 1. Align the tabs on the side cover with the slots on the chassis, and slide it towards the front of the computer. 2. Tighten the two thumb screws (#6-32) to secure the side cover to the chassis. Next steps 1.
- Page 12 Front bezel Removing the front bezel Prerequisites 1. Follow the procedure in Before working on your computer. 2. Remove the side cover. About this task The following images indicate the location of the front bezel and provide a visual representation of the removal procedure. Steps 1.
- Page 13 About this task The following image indicates the location of the front bezel and provides a visual representation of the installation procedure. Steps 1. Position the front bezel to align the tab holders on the bezel with the slots on the chassis. 2.
- Page 14 Steps 1. Lay the computer with its right side facing down. Press the retention tabs on both sides to release the fan shroud from the fan and heat-sink assembly. 2. Lift and remove the fan shroud from the computer. Installing the fan shroud Prerequisites If you are replacing a component, remove the existing component before performing the installation process.
- Page 15 Steps 1. Position the fan shroud to align it with the retention slots on the system board. 2. Press the fan shroud and ensure the retention tabs snap into place. Next steps 1. Install the side cover. 2. Follow the procedure in After working inside your computer.
- Page 16 Steps 1. Push the securing-clips from both sides away from the memory module until the memory module pops up. 2. Slide and remove the memory module from the memory-module slot. NOTE: Repeat step 2 to step 3 to remove any other memory modules installed in your computer. NOTE: Make a note of the slot and the orientation of the memory module in order to install the replacement in the correct slot.
- Page 17 Steps 1. Ensure that the securing-clips are in the open position. 2. Align the notch on the memory module with the tab on the memory-module slot. 3. Insert the memory module into the memory-module connector until the memory module snaps into position and the securing clip locks in place.
- Page 18 About this task The following images indicate the location of the 3.5-inch hard-drive and provides a visual representation of the removal procedure. Steps 1. Disconnect the data and power cables from the 3.5-inch hard-drive. 2. Remove the four (#6-32) screws that secure the 3.5-inch hard-drive. 3.
- Page 19 Steps 1. Align the 3.5-inch hard-drive with the mounting holes on the front side of the chassis. 2. Install the four (#6-32) screws to secure the 3.5-inch hard-drive to the chassis. 3. Reconnect the power cable and data cables to the 3.5-inch hard-drive. Next steps 1.
- Page 20 Steps 1. Remove the screw (M2x3) that secures the solid-state drive to the system board. 2. Slide and lift the solid-state drive from the M.2 card slot on the system board. 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 The following image indicates the location of the M.2 2230 solid-state drive and provides a visual representation of the installation procedure.
- Page 21 Steps 1. Align the notch on the solid-state drive with the tab on the M.2 card slot. 2. Slide the solid-state drive into the M.2 card slot on the system board. 3. Install the screw (M2x3) to secure the solid-state drive to the system board. Next steps 1.
- Page 22 Steps 1. Remove the screw (M2x3) that secures the solid-state drive to the system board. 2. Slide and lift the solid-state drive from the M.2 card slot on the system board. Installing the M.2 2280 solid-state drive 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 M.2 2280 solid-state drive and provides a visual representation of the installation procedure.
- Page 23 Steps 1. Align the notch on the solid-state drive with the tab on the M.2 card slot. 2. Slide the solid-state drive into the M.2 card slot on the system board. 3. Install the screw (M2x3) to secure the solid-state drive to the system board. Next steps 1.
- Page 24 Steps 1. Using a plastic scribe, gently pry the securing-clip on the battery socket to release the coin-cell battery out of the slot on the system board. 2. Lift the coin-cell battery off its slot on the system board. Installing the coin-cell battery Prerequisites If you are replacing a component, remove the existing component before performing the installation process.
- Page 25 Steps 1. Insert the coin-cell battery into its slot on the system board with the positive side (+) label facing up. 2. Press the coin-cell battery into the slot on the system board. Next steps 1. Install the side cover. 2.
- Page 26 Steps 1. Remove the screw (M2x3) that secures the wireless card to the system board. 2. Slide and lift the wireless-card bracket off the wireless card. 3. Disconnect the antenna cables from the wireless card. 4. Slide and remove the wireless card at an angle from the wireless-card slot. Installing the wireless card Prerequisites If you are replacing a component, remove the existing component before performing the installation process.
- Page 27 Steps 1. Connect the antenna cables to the wireless card. The following table provides the antenna-cable color scheme for the wireless card of your computer. Table 2. Antenna-cable color scheme Connectors on the wireless card Antenna-cable color Main (white triangle) White Auxiliary (black triangle) Black...
- Page 28 Optical drive Removing the optical drive Prerequisites 1. Follow the procedure in Before working on your computer. 2. Remove the side cover. 3. Remove the front bezel. About this task The following images indicate the location of the optical drive and provides a visual representation of the removal procedure. Steps 1.
- Page 29 Steps 1. Slide and replace the optical drive into its slot on the chassis. 2. Push the optical drive until the retention tab snaps and locks it on place. 3. Reconnect the data and power cables to the optical drive. Next steps 1.
- Page 30 Steps 1. Lift the pull tab and open the expansion-card door. 2. Push and hold the securing tab on the graphics-card slot to release the graphics card. 3. Lift the graphics card out from the PCIe x16 card slot. Installing the graphics card Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
- Page 31 Steps 1. Align the graphics card with the PCIe x16 card slot on the system board. 2. Place the graphics-card in the connector and press down firmly. Ensure that the card is firmly seated. 3. Close the expansion-card door. Next steps 1.
- Page 32 NOTE: Note the routing of all cables as you remove them so that you can route them correctly while you are replacing the power-supply unit. About this task The following images indicate the location of the power-supply unit and provides a visual representation of the removal procedure.
- Page 33 Steps 1. Disconnect the power cables from the system board and unroute them from the routing guides on the chassis. NOTE: The power-supply cable is connected to the system board at two locations and supply power to the following components at the two location: ●...
- Page 34 Disassembly and reassembly...
- Page 35 Steps 1. Place and slide the power supply into its slot on the chassis. 2. Replace the three (#6-32) screws to secure the power-supply unit to the chassis. 3. Route the power cable through the routing guides on the chassis and connect the power cables to their respective connectors on the system board.
- Page 36 CAUTION: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can reduce the heat transfer capability of the thermal grease. 2. Remove the side cover. 3. Remove the shroud.
- Page 37 Steps 1. Gently place the fan and heat-sink assembly on the processor. 2. Align the screw holes on the fan and heat-sink assembly with the screw holes on the system board. 3. In sequential order (1>2>3>4) tighten the four captive screws that secure the fan and heat-sink assembly to the system board.
- Page 38 NOTE: Caution: For maximum cooling of the processor, do not touch the heat transfer areas on the heat sink. The oils in your skin can reduce the heat transfer capability of the thermal grease. About this task The following images indicate the location of the processor and provide a visual representation of the removal procedure. Steps 1.
- Page 39 About this task NOTE: If either the processor or the fan and heat-sink assembly is replaced, use the thermal grease that is provided in the kit to ensure that thermal conductivity is maintained. The following image indicates the location of the processor and provides a visual representation of the installation procedure. Steps 1.
- Page 40 3. Install the side cover. 4. Follow the procedure in After working inside your computer. Power button Removing the power button Prerequisites 1. Follow the procedure in Before working on your computer. 2. Remove the side cover. 3. Remove the front bezel.
- Page 41 About this task The following images indicate the location of the power button and provides a visual representation of the installation procedure. Steps 1. Insert the power button switch into the slot from the front-side of the chassis. 2. Push the power button in until you hear a click from the retention tabs. 3.
- Page 42 System board System board layout 1. ATX CPU power connector 2. CPU fan connector 3. Memory slots (DIMM1, DIMM2) 4. Coin-cell battery 5. Power switch connectors 6. ATX system power connector 7. SATA 2 connector 8. SATA power cable connector 9.
- Page 43 NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board. NOTE: Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup program.
- Page 44 Disassembly and reassembly...
- Page 45 Steps 1. Remove the single screw (#6-32) that secures the front I/O-bracket to the chassis. 2. Slide and remove the front I/O-bracket from the chassis. 3. Disconnect the following cables that are connected to the system board and remove them from the routing points on the chassis: Disassembly and reassembly...
- Page 46 ● Power-supply cables ● Hard-drive SATA cables ● Power-button cable 4. Remove the eight (#6-32) screws that secure the system board to the chassis. 5. Carefully lift the system board at an angle and remove the system board off the chassis. Installing the system board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
- Page 47 Disassembly and reassembly...
- Page 48 Steps 1. Place the system board onto the chassis and ensure that the chassis screw holes align with the ones on the system board. 2. Replace the eight screws (#6-32) that secure the system board to the chassis. 3. Using the routing points on the chassis, route and reconnect the following cables to the connectors on the system board: ●...
- Page 49 ● Hard-drive cables ● Power-button cable 4. Slide the front I/O-ports on the system board into the front I/O-slots on the chassis and align the screw holes on the system board with the screw holes on the chassis. 5. Replace the single screw (#6-32) to secure the front I/O-bracket to the chassis. Next steps 1.
- Page 50 Drivers and downloads Drivers and downloads When troubleshooting, downloading or installing drivers it is recommended that you read the Dell Knowledge Based article, Drivers and Downloads FAQ SLN128938. Drivers and downloads...
- Page 51 Boot Sequence allows you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self Test (POST), when the Dell logo appears, you can: ● Access System Setup by pressing F2 key ●...
- Page 52 Table 3. System setup options—System information menu (continued) General-System Information PCI Information SLOT2 Displays the PCI information of the computer. SLOT3 Displays the PCI information of the computer. SLOT5_M.2 Displays the PCI information of the computer. Processor Information Processor Type Displays the processor type.
- Page 53 Table 4. System setup options—System Configuration menu (continued) System Configuration SATA Operation Configure operating mode of the integrated SATA hard drive controller. Drives Enable or disable various drives on board. SATA-0 Displays the SATA device information of the computer. SATA-1 Displays the SATA device information of the computer.
- Page 54 Table 6. System setup options—Security menu (continued) Security SMM Security Mitigation Enable or disable SMM Security Mitigation Table 7. System setup options—Secure Boot menu Secure Boot Secure Boot Enable Enable or disable the secure boot feature. Secure Boot Mode Modifies the behavior of Secure Boot to allow evaluation or enforcement of UEFI driver signatures.
- Page 55 Table 13. System setup options—SupportAssist System Resolution menu SupportAssist System Resolution Auto OS Recovery Threshold Control the automatic boot flow for SupportAssist System Resolution Console and for Dell OS Recovery tool. Overview This section provides hardware specification for the system and contains no modifiable settings. System setup...
- Page 56 ● Ownership Tag ● Signed Firmware Update - This helps to verify that only Dell Signed and released BIOS can be installed on the computer. Processor The Processor field provides information related to the CPU on the computer: ●...
- Page 57 Table 14. BIOS Overview Page (continued) Options Description ● Panel Type - This field mentions the type of display panel used on the computer. ● Video controller - This field mentions the type of video controller used on the computer. ●...
- Page 58 Table 15. Boot Configuration: (continued) Options Description Enable Custom Mode This section contains a toggle switch that allows the user to enable or disable Custom Mode. This mode allows the PK, KEK, db and dbx security key databases to be manipulated. (OFF by default) Custom Mode Key Management This section helps the user to select the Key Database to...
- Page 59 Table 16. Integrated Devices (continued) Options Description ● Rear Port 3 (Top Left) ● Rear Port 4 (Top Right) Storage This section provides storage details and settings. Table 17. Storage Options Description SATA Operation SATA Operation This section allows the user to select the operating mode of the integrated SATA hard drive controller.
- Page 60 Table 18. Display (continued) Options Description Video Primary Display This section allows the user to select the video controller for the primary display when multiple vide controllers are detected. The options are: ● Auto (Selected by default) ● Onboard Video Full Screen Logo Full Screen Logo This section contains a toggle switch which allows the user to...
- Page 61 Power This section provides power details and settings. Table 20. Power Options Description USB Wake Support Enable USB Wake Support This section contains a toggle switch to allow the user to enable or disable USB Wake Support. It allows the system to use USB devices like a mouse and keyboard to wake the system from standby mode (OFF by default).
- Page 62 Table 21. Security (continued) Options Description PPI Bypass for Clear Commands This section contains a toggle switch which controls the TPM Physical Presence Interface(PPI). When enabled, this setting will allow the OS to skip BIOS PPI user prompts when issuing the clear command (OFF by default).
- Page 63 Table 22. Passwords (continued) Options Description Upper Case Letter Enable or disable reinforced use of upper case letters (OFF by default). Lower Case Letter Enable or disable reinforced use of lower case letters (OFF by default). Digit Enable or disable reinforced use of at least one digit (OFF by default).
- Page 64 OS recovery if the main operating system fails to boot with a set number of failures (ON by default). Dell Auto OS Recovery Threshold Dell Auto OS Recovery Threshold This field allows the user to select the number of failed boot attempts by the system before SupportAssist OS Recovery is triggered.
- Page 65 Table 24. System Management (continued) Options Description Auto On Time This field allows the user to set defined days/time when the sytem can automatically power on. The options here are as follows: ● Disabled (selected by default) ● Everyday ● Weekdays ●...
- Page 66 Table 27. Performance Options Description Multi-Core Support Active Cores This field allows the user to configure the number of active cores on the computer. The options are as follows: ● All Cores (selected by default) ● 1 ● 2 ● 3 Intel SpeedStep Enable Intel SpeedStep Technology This field contains a toggle switch to enable or disable...
- Page 67 4. Connect the bootable USB drive to the computer that needs the BIOS update. 5. Restart the computer and press F12 when the Dell logo is displayed on the screen. 6. Boot to the USB drive from the One Time Boot Menu.
- Page 68 3. Type the system password that you entered earlier in the Confirm new password field and click OK. 4. Press Esc and a message prompt's you to save the changes. 5. Press Y to save the changes. The computer restarts. Deleting or changing an existing system setup password Prerequisites...
- Page 69 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 is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to: ●...
- Page 70 System diagnostic lights Power-supply diagnostics light Indicates the status of the power-supply in either of the two sates: ● Off: No Power ● On: Power is supplied. Power button light Table 29. Power button LED status Power button LED state System state Description ●...
- Page 71 Real-Time Clock (RTC Reset) The Real Time Clock (RTC) reset function allows you or the service technician to recover Dell Inspiron, systems from No POST/No Power/No Boot situations. The legacy jumper enabled RTC reset has been retired on these models.
- Page 72 4. Connect the bootable USB drive to the computer that needs the BIOS update. 5. Restart the computer and press F12 when the Dell logo is displayed on the screen. 6. Boot to the USB drive from the One Time Boot Menu.
- Page 73 7. Turn on your computer. Troubleshooting...
- Page 74 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 31. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell Tips...