Removing power
supply unit or PSU
- Follow the procedure in Before working inside your computer.
- Remove the:
- Side cover
- Front bezel
- HDD assembly
- Hard drive and optical drive module
- Heatsink assembly
- To release the PSU:
- Disconnect the CPU power cable from the system board [1].
- Unroute the power cables from the retention clips on the chassis
[2].
- To remove the PSU:
- Remove the 3 screws that secure the PSU to the system [1].
- Disconnect
the system power cable from the connector on the system board [2].
- Lift the cables away from the system [3].
- Press the blue release tab [4] at the rear end of the PSU unit, slide the PSU and lift it away from
the system [5].
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