Dell OptiPlex XE4 Tower Service Manual page 94

NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can
reconnect the cables correctly after you replace the system board.
2. Remove the side cover.
3. Remove the front bezel.
4. Remove the memory module.
5. Remove the WLAN.
6. Remove the M.2 2230 SSD/M.2 2280
7. Remove the coin-cell
8. Remove the graphics
9. Remove the powered
NOTE: This step is required only if the system is configured with powered GPU.
10. Remove the speaker.
11. Remove the intrusion
12. Remove the VR heatsink.
13. Remove the processor fan and 125 W heat-sink assembly
14. Remove the chassis fan.
15. Remove the processor.
About this task
The following image indicates the connectors on your system board.
1. ATX CPU power connector
2. ATX CPU power connector
3. Memory module connectors
4. Power button connector
5. SD card reader connector
6. M.2 PCIe SSD connector
7. M.2 PCIe SSD connector
8. SATA0 connector (blue)
9. Two SATA1/2 connector (black)
94 Removing and installing components
SSD.
battery.
card.
GPU.
switch.
or processor fan and heat-sink assembly.