3. Close the PSU hinge.
4. Install the Cover.
5. Follow the procedure in After working inside your computer.
Power supply unit
Removing the power supply unit
Steps
1. Follow the procedure in Before Working Inside Your Computer.
2. Remove:
a. Cover
b. Heatsink assembly
3. Open the PSU hinge
4. Disconnect the following cables:
• :
a. Disconnect the optical-drive power cable from the optical drive [1].
b. Disconnect the CPU-power cable and system board power cable from the system board [2,3].
c. Disconnect the graphics-card power cable from the connector on the graphics card [4]
d. Unroute the CPU-power cable from the routing guide on the chassis [5].
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Disassembly and reassembly
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