Dell OptiPlex 5090 Tower Service Manual page 57

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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
fan
duct.
5. Remove the
memory
module.
6. Remove the WLAN.
7. Remove the
M.2 2230 SSD/M.2 2280
8. Remove the
coin-cell
9. Remove the
graphics
10. Remove the
powered
NOTE:
This step is required only if the system is configured with powered GPU.
11. Remove the speaker.
12. Remove the
intrusion
13. Remove the
processor fan and heat-sink
14. Remove the processor.
About this task
The following image indicates the connectors on your system board.
1. Intrusion switch connector
2. Video connector
3. ATX CPU power connector
4. Memory module connector
5. Memory module connector
6. Power button connector
7. SD card reader connector
8. ATX system power connector
9. M.2 PCIe SSD connector
10. Coin-cell battery
SSD.
battery.
card.
GPU.
switch.
assembly.
Removing and installing components
57

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