Dell OptiPlex 5090 Tower Service Manual page 65

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4. Route the power cable through the routing guides on the chassis and connect the power cables to their respective
connectors on the system board.
5. Align the front I/O-bracket with the slots on the chassis.
6. Replace the two (#6-32) screws to secure the front I/O-bracket to the chassis.
Next steps
1. Install the processor.
2. Install the
processor fan and heat-sink
3. Install the
coin-cell
battery.
4. Remove the
intrusion
5. Remove the speaker.
6. Install the
powered
GPU.
NOTE:
This step is required only if the system is configured with powered GPU.
7. Install the
graphics
card.
8. Install the
M.2 2230 SSD/M.2 2280
9. Install the WLAN.
10. Install the
memory
module.
11. Install the
fan duct
12. Install the
front
bezel.
13. Install the
side
cover.
14. Follow the procedure in
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. You must make the appropriate changes again after you replace the system board.
assembly.
switch.
SSD.
after working inside your
computer.
Removing and installing components
65

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