Dell OptiPlex 7000 Tower Service Manual page 102

Steps
1. 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.
2. Replace the three (M2x4) screws screw to secure the system board to the chassis.
3. Replace the seven (#6-32) screws that secure the system board to the chassis.
4. Route the cables through the routing guides on the chassis and connect the power and HDD cables to their respective
connectors on the system board.
5. Lift the pull tab to close the PCIe door.
6. Align the front I/O-bracket with the slots on the chassis.
7. Replace the (#6-32) screw that secures the front I/O-bracket to the chassis.
Next steps
1. Install the processor.
2. Install the chassis fan.
3. Install the processor fan and 125 W heat-sink assembly
4. Install the coin-cell battery.
5. Install the VR heatsink.
6. Remove the intrusion
7. Remove the speaker.
8. Install the powered GPU.
NOTE: This step is required only if the system is configured with powered GPU.
9. Install the graphics card.
10. Install the M.2 2230 SSD/M.2 2280
11. Install the WLAN.
12. Install the memory module.
13. Install the front bezel.
14. Install the side cover.
15. 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.
102 Removing and installing components
switch.
SSD.
after working inside your
or processor fan and heat-sink
computer.
assembly.