OptiPlex 7480 All-In-One Service Manual Regulatory Model: W26C Regulatory Type: W26C001/W26C002 September 2020 Rev.
Notes, cautions, and warnings NOTE: A NOTE indicates important information that helps you make better use of your product. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Contents Chapter 1: Safety instructions.......................................................................................................6 Before working inside your computer.............................................................................................................................6 Before you begin ...........................................................................................................................................................
Wireless card...................................................................................................................................................................... 39 Removing the wireless card......................................................................................................................................39 Installing the wireless card........................................................................................................................................
Middle frame.......................................................................................................................................................................85 Removing the middle frame...................................................................................................................................... 85 Installing the middle frame........................................................................................................................................
1 Safety instructions Use the following safety guidelines to protect your computer from potential damage and to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that you have read the safety information that shipped with your computer. NOTE: Before working inside your computer, read the safety information that shipped with your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/regulatory_compliance.
2. Shut down your computer. Click Start > Power > Shut down. NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down instructions. 3. Disconnect your computer and all attached devices from their electrical outlets. 4. Disconnect all attached network devices and peripherals, such as keyboard, mouse, and monitor from your computer. 5. Remove any media card and optical disc from your computer, if applicable. 6.
● ● ● ● ● ● on the system being worked on. Once deployed properly, service parts can be removed from the ESD bag and placed directly on the mat. ESD-sensitive items are safe in your hand, on the ESD mat, in the system, or inside a bag.
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. Replace any media cards, discs, or any other parts that you removed before working on your computer. 4.
2 Removing and installing components NOTE: The images in this document may differ from your computer depending on the configuration you ordered.
NOTE: Screw color may vary with the configuration ordered. Table 1. OptiPlex 7480 All-in-One screw list Component Screw type Quantity Cable cover—optional M3x9 1 System-board shield M3x5 5 Bottom cover M3x5 4 M.2 2230 solid-state drive M2x2.5 1 M.2 2280 solid-state drive/ Intel Optane memory M2x2.5 1 System fan M3x5 3 Wireless-card shield M2x2.5 2 Wireless card M2x2.
Table 1. OptiPlex 7480 All-in-One screw list (continued) Component Screw type Quantity Microphones M2x2.5 4 Side I/O-board shield M3x5 2 Side-I/O board M2.5x3.5 2 Antenna modules M2x2.5 2 Display panel M3x5 11 Middle frame M3x5 17 Audio board M3x5 1 Screw image Stand Removing the fixed stand Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: When servicing the system, place it on an elevated, clean, and flat surface.
Steps 1. Press and slide the release button up. 2. Hold the button in the release position and lift the stand upward. 3. Slide the stand downward, to lift the stand off the back cover. Installing the fixed stand Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image provides a visual representation of the fixed stand installation procedure.
Steps 1. Align the tabs on the stand with the slots on the back cover. 2. Snap the stand until it clicks into place. Next steps 1. Follow the procedure in After working inside your computer. Removing the articulating stand Prerequisites 1. Follow the procedure in Before working inside your computer. CAUTION: When servicing the system, place it on an elevated, clean, and flat surface. It is recommended to remove the stand to avoid accidental damage to the system display during servicing.
Steps 1. Press and slide the release button up.
2. Hold the button in the release position, and lift the stand upward. 3. Slide the stand downward, to lift the stand off the back cover. 4. Pry the rubber feet from the bottom cover and pull it out. Installing the articulating stand Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image provides a visual representation of the articulating stand installation procedure.
Steps 1. Align the rubber feet with the slots on the bottom cover and push it firmly in place. 2. Align the tabs on the stand with the slots on the back cover. 3. Snap the stand until it clicks into place. Next steps 1. Follow the procedure in After working inside your computer. Removing the height adjustable stand Prerequisites NOTE: Follow the same procedure to remove the Height Adjustable Stand with Optical Disk Drive. 1. Follow the procedure in Before working inside your computer.
Steps 1. Press and slide the release button up. 2. Hold the button in the release position, and lift the stand upward. 3. Slide the stand downward, to lift the stand off the back cover. Installing the height adjustable stand Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. NOTE: Follow the same procedure to install the Height Adjustable Stand with Optical Disk Drive.
Steps 1. Align the tabs on the stand with the slots on the back cover. 2. Snap the stand until it clicks into place. Next steps 1. Follow the procedure in After working inside your computer. Cable cover—optional Removing the cable cover Prerequisites 1. Follow the procedure in Before working inside your computer. CAUTION: When servicing the system, place it on an elevated, clean, and flat surface. It is recommended to remove the stand to avoid accidental damage to the system display during servicing. 2.
Steps 1. Unroute the power cable from the slots on the cable cover. 2. Remove the screw (M3x9) that secures the cable cover to the bottom cover. 3. Lift the cable cover from the bottom cover.
Installing the cable cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image provides a visual representation of the cable cover installation procedure.
Steps 1. Route the power cable through the slots on the cable cover. 2. Align the screw hole on the cable cover with the screw hole on the bottom cover. 3. Replace the screw (M3x9) to secure the cable cover to the bottom cover. Next steps 1. Install the stand. 2. Follow the procedure in After working inside your computer. Back cover Removing the back cover Prerequisites 1. Follow the procedure in Before working inside your computer.
Steps 1. Press and hold the release tab on the back cover to release it from the latch on the system-board shield. 2. Slide the back cover up to release the tabs on the cover from the slots on the middle frame. 3. Lift the back cover and remove it from the system.
Installing the back cover Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image provides a visual representation of the back cover installation procedure.
Steps 1. Place the back cover on the middle frame and system-board shield and align the tabs on the back cover with the slots on the middle frame. 2. Slide the back cover to lock the release tab under the latch on the system-board shield. Next steps 1. Install the cable cover (optional). 2. Install the stand. 3. Follow the procedure in After working inside your computer. Hard drive Removing the hard drive Prerequisites 1. 2. 3. 4. Follow the procedure in Before working inside your computer.
Steps 1. Press down the tab securing the hard-drive assembly to the system-board shield. 2. Slide and lift the hard-drive assembly from the slot on the display-assembly base. 3. Pry the tabs on hard-drive bracket from its slots on the hard drive. 4. Remove the hard drive from the hard-drive bracket. Installing the hard drive Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Align the tabs on the hard-drive bracket with the slots on the hard drive. 2. Flex the hard-drive bracket and replace the remaining tabs on the hard-drive bracket with the slots on the hard drive. 3. Place the hard-drive assembly into the slot and slide it to lock the hard-drive assembly on the display-assembly base. Next steps 1. 2. 3. 4. Install the back cover. Install the cable cover (optional). Install the stand. Follow the procedure in After working inside your computer.
Steps 1. Pry and remove the DIMM door from the system-board shield. 2. Using your fingertips, spread apart the securing clips on the memory-module slot until the memory module pops up. 3. Slide and remove the memory module from the memory-module slot. NOTE: Repeat step 2 and 3 if there are two memory modules. Installing the memory modules Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Align the notch on the memory module with the tab on the memory-module slot. 2. Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it. NOTE: Repeat step 1 and 2 if there are two memory modules. 3. Align the tabs on the DIMM door with the slots on the system-board shield and snap into place. Next steps 1. 2. 3. 4. Install the back cover.
Steps 1. Remove the five screws (M3x5) that secure the system-board shield to the display-assembly base. 2. Lift the system-board shield off the display-assembly base. Installing the system-board shield 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 system-board shield and provides a visual representation of the installation procedure.
Steps 1. Align the screw holes on the system-board shield with the screw holes on the display-assembly base. 2. Replace the five screws (M3x5) to secure the system-board shield to the display-assembly base. Next steps 1. 2. 3. 4. Install the back cover. Install the cable cover (optional). Install the stand. Follow the procedure in After working inside your computer. Solid-state drive Removing the M.2 2230 solid-state drive Prerequisites 1. 2. 3. 4. 5.
About this task The following image indicates the location of the M.2 2230 solid-state drive and provides a visual representation of the removal procedure. Steps 1. Remove the screw (M2x2.5) that secures the solid-state drive to the system board. 2. Slide and remove the solid-state drive from the M.2 card slot on the system board. Installing the M.2 2230 solid-state drive Prerequisites CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive.
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. Replace the screw (M2x2.5) to secure the solid-state drive to the system board. Next steps 1. 2. 3. 4. 5. Install the system-board shield. Install the back cover. Install the cable cover (optional). Install the stand. Follow the procedure in After working inside your computer. Removing the M.
Steps 1. Remove the screw (M2x2.5) that secures the solid-state drive to the system board. 2. Slide and remove the solid-state drive from the M.2 card slot on the system board. Installing the M.2 2280 solid-state drive/Intel Optane memory module Prerequisites CAUTION: Solid-state drives are fragile. Exercise care when handling the solid-state drive. If you are replacing a component, remove the existing component before performing the installation procedure.
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. Replace the screw (M2x2.5) to secure the solid-state drive to the system board. Next steps 1. 2. 3. 4. 5. Install the system-board shield. Install the back cover. Install the cable cover (optional). Install the stand. Follow the procedure in After working inside your computer. System fan Removing the system fan Prerequisites 1. 2. 3. 4. 5.
Steps 1. Disconnect the system-fan cable from the system board. 2. Remove the three screws (M3x5) that secure the system fan to the display-assembly base. 3. Lift the system fan, along with its cable, off the display-assembly base. Installing the system fan Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Align the screw holes on the system fan with the screw holes on the display-assembly base. 2. Replace the three screws (M3x5) to secure the system fan to the display-assembly base. 3. Connect the system-fan cable to the connector on the system board. Next steps 1. 2. 3. 4. 5. Install the system-board shield. Install the back cover. Install the cable cover (optional). Install the stand. Follow the procedure in After working inside your computer.
Steps 1. Using the plastic scribe, press on the metal clip to release the coin-cell battery from the coin-cell battery holder. 2. Lift the coin-cell battery from the coin-cell battery holder. Installing the coin-cell battery 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 coin-cell battery and provides a visual representation of the installation procedure.
Steps With the positive-side facing up, insert the coin-cell battery into the battery holder on the system board and gently press the battery until it snaps into place. Next steps 1. 2. 3. 4. 5. Install the system-board shield. Install the back cover. Install the cable cover (optional). Install the stand. Follow the procedure in After working inside your computer. Wireless card Removing the wireless card Prerequisites 1. 2. 3. 4. 5. Follow the procedure in Before working inside your computer.
Steps 1. Remove the two screws (M2x2.5) that secure the wireless-card shield to the system board. 2. Unroute the antenna cables from the routing guides on the wireless-card shield. 3. Lift the wireless-card shield out of the system. 4. Remove the screw (M2x2.5) that secures the wireless-card bracket to the wireless card. 5. Slide and remove the wireless-card bracket off the wireless card. 6. Disconnect the antenna cables from the wireless card. 7.
Steps 1. Connect the antenna cables to the wireless card. The following table provides the antenna-cable color scheme: Table 2. Antenna-cable color scheme Connectors on the wireless card Antenna-cable color Main (white triangle) White Auxiliary (black triangle) Black 2. Place the wireless-card bracket on the wireless card. 3. Align the notch on the wireless card with the tab on the wireless-card slot. 4. Slide the wireless card at an angle into the wireless-card slot. 5. Replace the screw (M2x2.
Camera assembly Removing the camera assembly Prerequisites 1. 2. 3. 4. 5. Follow the procedure in Before working inside your computer. Remove the stand. Remove the cable cover (optional). Remove the back cover. Remove the system-board shield. About this task The following image indicates the location of the camera assembly and provides a visual representation of the removal procedure. Steps 1. Remove the two screws (M3x5) that secure the camera-assembly door to the display-assembly base. 2.
3. Unroute the camera cable from the routing guides on the display-assembly base. 4. Remove the two screws (M3x5) that secure the camera assembly to the middle frame. 5. Slide and remove the camera assembly from the middle frame. Installing the camera assembly Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
4. Connect the camera cable to the system board. 5. Align the screw holes on the camera door with the screw holes on the display-assembly base. 6. Replace the two screws (M3x5) to secure the camera door to the display-assembly base. Next steps 1. 2. 3. 4. 5. Install the system-board shield. Install the back cover. Install the cable cover (optional). Install the stand. Follow the procedure in After working inside your computer. Bottom cover Removing the bottom cover Prerequisites 1. 2. 3. 4. 5.
Steps 1. Remove the four screws (M3x5) that secure the bottom cover to the display-assembly base. 2. Lift the bottom cover off the display-assembly base. Installing the bottom cover 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 bottom cover and provides a visual representation of the installation procedure. Steps 1.
Power-supply unit Removing the power-supply unit (PSU) Prerequisites 1. 2. 3. 4. 5. 6. Follow the procedure in Before working inside your computer. Remove the stand. Remove the cable cover (optional). Remove the back cover. Remove the system-board shield. Remove the bottom cover. About this task The following image provides a visual representation of the PSU removal procedure.
Removing and installing components 47
Steps 1. Remove the screw (M3x5) that secures the power-supply socket to the rear-I/O bracket. 2. Slide the power-supply socket out of the rear-I/O bracket. 3. Remove the power-supply cable from the routing guides on the rear-I/O bracket and PSU fan. 4. Disconnect the power-supply cable from the connector on the system board. 5. Remove the screw (M3x5) that secures the PSU to the display-assembly base. 6. Lift the PSU out of the system.
Removing and installing components 49
Steps 1. Align and place the PSU in the slot on the display-assembly base. 2. Replace the screw (M3x5) to secure the PSU to the display-assembly base. 3. Connect the power-supply cable to the connector on the system board. 4. Route the power-supply cable through the routing guides on the rear-I/O bracket and PSU fan. 5. Align the screw hole on the power-supply socket with the screw hole on the rear-I/O bracket, and place it in the slot on the rear-I/O bracket. 6.
Steps 1. Remove the power-supply cable from the routing guides on the PSU fan. 2. Disconnect the PSU-fan cable from the system board. 3. Remove the two screws (M3x5) that secure the PSU fan to the display-assembly base. 4. Lift the PSU fan from the display-assembly base. Installing the PSU fan Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Align the screw holes on the PSU fan with the screw holes on the display-assembly base. 2. Replace the two screws (M3x5) to secure the PSU fan to the display-assembly base. 3. Connect the PSU-fan cable to the connector on the system board. 4. Route the power-supply cable through the routing guides on the PSU fan. Next steps 1. 2. 3. 4. 5. 6. Install the bottom cover. Install the system-board shield. Install the back cover. Install the cable cover (optional). Install the stand.
Steps 1. In reverse sequential order (as indicated on the heat sink), loosen the five captive screws that secure the heat sink to the system board and the display-assembly base. 2. Slide and lift the heat sink off the system board and display-assembly base. Installing the heat sink—UMA Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Align the screw holes on the heat sink with the screw holes on the system board and the display-assembly base. 2. In sequential order (as indicated on the heat sink), tighten the five captive screws that secure the heat sink to the system board and display-assembly base. Next steps 1. 2. 3. 4. 5. 6. Install the system fan. Install the system-board shield. Install the back cover. Install the cable cover (optional). Install the stand. Follow the procedure in After working inside your computer.
About this task The following image provides a visual representation of the heat sink removal procedure. Steps 1. In reverse sequential order (as indicated on the heat sink), loosen the nine captive screws that secure the heat sink to the system board and the display-assembly base. 2. Slide and lift the heat sink off the system board and display-assembly base.
Steps 1. Align the screw holes on the heat sink with the screw holes on the system board and the display-assembly base. 2. In sequential order (as indicated on the heat sink), tighten the nine captive screws to secure the heat sink to the system board and display-assembly base. Next steps 1. 2. 3. 4. 5. 6. Install the system fan. Install the system-board shield. Install the back cover. Install the cable cover (optional). Install the stand. Follow the procedure in After working inside your computer.
6. Remove the heat sink. About this task The following image indicates the location of the processor and provides a visual representation of the removal procedure. Steps 1. Press the release lever down and then push it away from the processor to release it from the securing tab. 2. Extend the release lever completely, and open the processor cover. CAUTION: When removing the processor, do not touch any of the pins inside the socket or allow any objects to fall on the pins in the socket. 3.
Steps 1. Ensure that the release lever on the processor socket is fully extended in the open position. NOTE: The pin-1 corner of the processor has a triangle that aligns with the triangle on the pin-1 corner on the processor socket. When the processor is properly seated, all four corners are aligned at the same height. If one or more corners of the processor are higher than the others, the processor is not seated properly. 2.
Rear-I/O bracket Removing the rear-I/O bracket Prerequisites 1. 2. 3. 4. 5. 6. Follow the procedure in Before working inside your computer. Remove the stand. Remove the cable cover (optional). Remove the back cover. Remove the system-board shield. Remove the bottom cover. About this task The following image indicates the location of the rear-I/O bracket and provides a visual representation of the removal procedure.
Steps 1. Remove the screw (M3x5) that secures the power-supply socket to the rear-I/O bracket. 2. Remove the power-supply cable from the routing guide on the rear-I/O bracket. 3. Slide and remove the power-supply socket away from the rear-I/O bracket. 4. Remove the three screws (M3x5) that secure the rear-I/O bracket to the display-assembly base. 5. Lift the rear-I/O bracket off the display-assembly base.
Removing and installing components 61
Steps 1. Align the screw holes on the rear-I/O bracket with the screw holes on the display-assembly base. 2. Replace the three screws (M3x5) to secure the rear-I/O bracket to the display-assembly base. 3. Route the power-supply cables through the routing guide on the rear-I/O bracket. 4. Align the screw hole on the power-supply socket with the screw hole on the rear-I/O bracket, and place it in the slot on the rear-I/O bracket. 5.
2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. NOTE: Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You must make the appropriate changes again after you replace the system board. Remove the stand. Remove the cable cover (optional). Remove the back cover. Remove the hard drive. Remove the system-board shield. Remove the memory modules. Remove the wireless card. Remove the M.2 2230 solid-state drive. Remove the M.
11. SIO-power cable connector 12. Audio-board cable connector 13. Microphone-module cable connector 14. Speaker cable connector 15. Coin-cell battery 16. Power-button cable connector 17. Display cable connector 18. M.2 WLAN connector 19. PSU-fan cable connector 20. Touchscreen cable connector 21. Processor The following image indicates the location of the system board and provides a visual representation of the removal procedure.
Steps 1. Disconnect the display back-light cable from the connector on the system board. 2. Disconnect the display cable from the connector on the system board. 3. Disconnect the PSU cable from the connector on the system board.
4. Disconnect the PSU fan cable from the connector on the system board. 5. Open the latch and disconnect the power-button board cable from the connector on the system board. 6. Disconnect the speaker cable from the connector on the system board. 7. Disconnect the microphone-module cable from the connector on the system board. 8. Disconnect the SIO-signal cable from the connector on the system board. 9. Disconnect the SIO-power cable from the connector on the system board. 10.
8. Hard-drive connector 9. M.2 2230/2280 solid-state drive PCIe connector 10. SIO-signal cable connector 11. SIO-power cable connector 12. Audio-board cable connector 13. Microphone-module cable connector 14. Speaker cable connector 15. Coin-cell battery 16. Power-button cable connector 17. Display cable connector 18. M.2 WLAN connector 19. PSU-fan cable connector 20. Touchscreen cable connector 21.
Steps 1. Align the screw holes on the system board with the screw holes on the display-assembly base. 2. Replace the nine screws (M3x5) to secure the system board to the display-assembly base. 3. Connect the camera cable to the connector system board. 4. Connect the touchscreen cable to the system board. 5. Connect the system fan cable to the system board. 6. Connect the audio-board cable to the system board. 7. Connect the SIO-power cable to the system board. 8.
15. Follow the procedure in After working inside your computer. 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 you have made to the BIOS using the BIOS setup program. You must make the appropriate changes again after you replace the system board. Speakers Removing the speakers Prerequisites 1. 2. 3. 4. 5. 6. 7.
Steps 1. Disconnect the speaker cable from the connector on the system board. 2. Remove the six screws (M3 4+7.1xZN) that secure the speakers to the display-assembly base. 3. Remove the speaker cable from the routing guides on the display-assembly base. 4. Lift the speakers along with the cable off the display-assembly base. Installing the speakers Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Steps 1. Align the screw holes on the speakers with the screw holes on the display-assembly base. 2. Replace the six screws (M3 4+7.1xZN) to secure the speakers to the display-assembly base. 3. Route the speaker cable through the routing guide on display-assembly base and connect the speaker cable to the system board. Next steps 1. 2. 3. 4. 5. 6. 7. Install the rear-I/O bracket. Install the bottom cover. Install the system-board shield. Install the back cover. Install the cable cover (optional).
Power-button board Removing the power-button board Prerequisites 1. 2. 3. 4. 5. 6. 7. 8. Follow the procedure in Before working inside your computer. Remove the stand. Remove the cable cover (optional). Remove the back cover. Remove the system-board shield. Remove the bottom cover. Remove the rear-I/O bracket. Remove the speakers. About this task The following image provides a visual representation of the power-button board removal procedure. Steps 1.
About this task The following image provides a visual representation of the power-button board installation procedure. Steps 1. Align and place the power-button board in the slot on the middle frame. 2. Replace the screw (M3x5) to secure the power-button board to the middle frame. 3. Slide the power-button board cable under the antenna cables, then route the power-button board cable to the displayassembly base. 4.
6. Remove the bottom cover. 7. Remove the rear-I/O bracket. 8. Remove the speakers. About this task The following image indicates the location of the microphones and provides a visual representation of the removal procedure. Steps 1. Disconnect the microphone cable from the system board, and unroute it from the routing guides on the display-assembly base. 2. Remove the four screws (M2x2.5) that secure the microphone modules to the middle frame. 3.
Steps 1. Align the screw holes on the microphone modules with the screw holes on the middle frame. 2. Replace the four screws (M2X2.5) to secure the microphone modules to the middle frame. 3. Route the microphone cable through the routing guides on the display-assembly base and connect the microphone cable to the system board. Next steps 1. 2. 3. 4. 5. 6. 7. 8. Install the speakers. Install the rear-I/O bracket. Install the bottom cover. Install the system-board shield. Install the back cover.
5. 6. 7. 8. Remove Remove Remove Remove the the the the hard drive. system-board shield. bottom cover. rear-I/O bracket. About this task The following image indicates the location of the side-I/O board and provides a visual representation of the removal procedure. Steps 1. Remove the two screws (M3x5) that secure the side I/O-board shield to the display-assembly base. 2. Lift and remove the side I/O-board shield off the side-I/O board. 3.
Installing the side-I/O board 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 side-I/O board and provides a visual representation of the installation procedure. Steps 1. Align the screw holes on the side-I/O board with the screw holes on the display-assembly base. 2. Replace the two screws (M2.5x3.5) to secure the side-I/O board to the display-assembly base. 3.
Next steps 1. 2. 3. 4. 5. 6. 7. 8. 9. Install the speakers. Install the rear-I/O bracket. Install the bottom cover. Install the system-board shield. Install the hard drive. Install the back cover. Install the cable cover (optional). Install the stand. Follow the procedure in After working inside your computer. Audio board Removing the audio board Prerequisites 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Follow the procedure in Before working inside your computer. Remove the stand. Remove the cable cover (optional).
Steps 1. Disconnect the audio-board cable from the connector on the system board. 2. Remove the screw (M3x5) that secure the audio board to the display-assembly base. 3. Lift and remove the audio board with the cable off the display-assembly base. Installing the audio board Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure.
Antennas Removing the antenna modules Prerequisites 1. 2. 3. 4. 5. 6. 7. 8. 9. Follow the procedure in Before working inside your computer. Remove the stand. Remove the cable cover (optional). Remove the back cover. Remove the system-board shield. Remove the wireless card. Remove the bottom cover. Remove the rear-I/O bracket. Remove the speakers. About this task The following image provides a visual representation of the antenna modules removal procedure. Steps 1.
Installing the antenna modules Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image provides a visual representation of the antenna modules installation procedure. Steps 1. Align and place the antenna modules in the slots on the middle frame. 2. Adhere the copper foil that secures the antenna cables to the middle frame. 3. Replace the two screws (M2x2.
Display panel Removing the display panel Prerequisites 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Follow the procedure in Before working inside your computer. Remove the stand. Remove the cable cover (optional). Remove the back cover. Remove the system-board shield. Remove the hard drive. Remove the bottom cover. Remove the rear-I/O bracket. Remove the speakers. Remove the camera assembly. Remove the system board. Remove the PSU. Remove the PSU fan.
Steps 1. Remove the 11 screws (M3x5) that secure the display panel to the middle frame and display-assembly base. 2. Place the system in an upright position. 3. Holding the top corner, release the display panel away from the middle frame and display-assembly base. 4. Route the display back-light, touch screen, and display cable through the slots on the display-assembly base. 5. Lift the display panel up from the middle frame and display-assembly base.
Steps 1. Place the system in an upright position, and slide the display panel on the slots of the display-assembly base. 2. Route the display-backlight, touch screen, and display cable through the slots on the display-assembly base. 3. Place the display-assembly base on a clean and flat surface with the display panel facing down.
4. Replace the 10 screws (M3x5) to secure the display panel to the middle frame and display-assembly base. 5. Remove the jig screw from the display panel and replace the screw (M3x5) to secure the display panel to the middle frame and display assembly base. NOTE: The jig screw is shipped with the replacement display panel. It is used to align the display panel to the displayassembly base. 6. Route the display cable in the routing guides on the display-assembly base. Next steps 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.
Steps 1. Remove the 17 screws (M3x5) that secure the middle frame to the display-assembly base. 2. Remove the middle frame and lift the middle frame off the display-assembly base.
Installing the middle frame Prerequisites If you are replacing a component, remove the existing component before performing the installation procedure. About this task The following image provides a visual representation of the middle frame installation procedure.
Steps 1. Slide and align the middle frame to the slots on the display-assembly base, then snap the middle frame into place on the display-assembly base. 2. Replace the 17 screws (M3x5) to secure the middle frame to the display-assembly base. Next steps 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 88 Install the display panel. Install the antenna modules. Install the side-I/O board. Install the PSU fan. Install the PSU. Install the microphones. Install the power-button board.
3 Software This chapter details the supported operating systems along with instructions on how to install the drivers. Topics: • • Operating system Downloading the drivers Operating system ● ● ● ● ● ● Windows 10 Home (64-bit) Windows 10 IoT Enterprise 2019 LTSC (OEM Only) Windows 10 Professional (64-bit) Windows 10 Pro Education (64-bit) NeoKylin 7.0 (China only) Ubuntu 18.04 (64-bit) Downloading the drivers Steps 1. Turn on your computer. 2. Go to www.dell.com/support. 3.
4 System setup NOTE: Depending on the computer and its installed devices, the items listed in this section may or may not be displayed. Topics: • • • • • • BIOS overview Entering BIOS setup program Navigation keys Boot Sequence System setup options System and setup password BIOS overview The BIOS manages data flow between the computer's operating system and attached devices such as hard disk, video adapter, keyboard, mouse, and printer.
The one-time boot menu displays the devices that you can boot from including the diagnostic option.
Table 3. System setup options—System information menu (continued) General-System Information Processor ID Displays the processor identification code. Current Clock Speed Displays the current processor clock speed. Minimum Clock Speed Displays the minimum processor clock speed. Maximum Clock Speed Displays the maximum processor clock speed. Processor L2 Cache Displays the processor L2 Cache size. Processor L3 Cache Displays the processor L3 Cache size.
Table 4. System setup options—System Configuration menu (continued) System Configuration SMART Reporting Enable or disable Self-Monitoring, Analysis, and Reporting Technology (SMART) during system startup. By default, the Enable SMART Reporting option is not enabled. USB Configuration Enable USB Boot Support Enable or disable booting from USB mass storage devices such as external hard drive, optical drive, and USB drive. By default, the Enable USB Boot Support option is enabled.
Table 5. System setup options—Security menu Security Admin Password Set, change, or delete the administrator password. System Password Set, change, or delete the system password. Password Configuration Control the minimum and maximum number of characters allowed for the Admin and System passwords. Password Bypass Bypass the System (Boot) Password and the internal HDD password prompts during a system restart. By default, the Disabled option is enabled.
Table 7. System setup options—Intel Software Guard Extensions menu Intel Software Guard Extensions Intel SGX Enable Enable or disable Intel Software Guard Extensions. By default, the Software Controlled option is enabled. Enclave Memory Size Set the Intel Software Guard Extensions Enclave Reserve Memory Size. By default, the 128 MB option is enabled. Table 8. System setup options—Performance menu Performance Multi Core Support Enable multiple cores. By default, the option is enabled.
Table 9. System setup options—Power Management menu (continued) Power Management Block Sleep Enable or disable block sleep. By default, the option is disabled. Table 10. System setup options—POST Behavior menu POST Behavior Numlock LED Enable or disable Numlock LED. By default, the Enable Numlock LED option is enabled. Keyboard Error Enable or disable the keyboard error detection. By default, the option is enabled. Fastboot Enable to set the speed of the boot process.
Table 13. System setup options—Wireless menu Wireless Wireless Device Enable Enable or disable internal wireless devices. By default, all the options are enabled. Table 14. System setup options—Maintenance menu Maintenance Service Tag Display the system’s Service Tag. Asset Tag Create a system Asset Tag. SERR Messages Enable or disable SERR messages. BIOS Downgrade Control flashing of the system firmware to previous revisions.
CAUTION: The password features provide a basic level of security for the data on your computer. CAUTION: Anyone can access the data stored on your computer if it is not locked and 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 the system setup, press F2 immediately after a power-on or reboot. Steps 1.
5 Troubleshooting Topics: • • • • • • • • Dell SupportAssist Pre-boot System Performance Check diagnostics Display built-in self test Diagnostics Recovering the operating system Flashing BIOS (USB key) Flashing the BIOS WiFi power cycle Flea power release Dell SupportAssist Pre-boot System Performance Check diagnostics About this task The SupportAssist diagnostics (also known as system diagnostics) performs a complete check of your hardware.
Display built-in self test About this task The following procedure provides the instructions on how to run the built-in self test for the display: Steps 1. Turn off your computer. 2. Press and hold the display built-in self test button. 3. Press and hold the power button. 4. Release the power button. 5. Hold the display built-in self test button until the test starts. Diagnostics Power status indicator light: Indicates the power status. Solid amber—The system is unable to boot to the operating system.
Table 19. Diagnostic LED behavior (continued) Blinking pattern Amber White Problem description Suggested resolution 2 5 Invalid memory installed Reset the memory module. If problem continues, replace the memory module. 2 6 System-board or chipset error Flash the latest BIOS version. If problem continues, replace the system board. 2 7 Display failure Flash the latest BIOS version. If problem continues, replace the LCD module. 2 8 LCD power rail failure Replace the system board.
2. Create a bootable USB drive. For more information see the knowledge base article SLN143196 at www.dell.com/support. 3. Copy the BIOS setup program file to the bootable USB drive. 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. 7. Type the BIOS setup program filename and press Enter. 8. The BIOS Update Utility appears.
Steps 1. Turn off your computer. 2. Disconnect the power adapter from your computer. 3. Press and hold the power button for 15 seconds to drain the flea power. 4. Connect the power adapter to your computer. 5. Turn on your computer.
6 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 20. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com Tips Contact Support In Windows search, type Contact Support, and press Enter. Online help for operating system www.dell.com/support/windows www.dell.
