3. Repeat the step 1 to install additional PCle expansion card.
4. Close the front panel door.
5. Install the:
a. front bezel
b. side cover
6. Follow the procedure in After working inside your computer.
Power supply unit
Removing power supply unit or PSU
1. Follow the procedure in Before working inside your computer.
2. Remove the:
a. side cover
b. front bezel
3. Open the front panel door.
4. To release the PSU:
a. Press the latch and disconnect the PSU cables from the connectors on the system board [1].
b. Unroute the PSU cable from the retention clip to release the cable [2,3,4,5].
c. Press the latch and disconnect the cables from the connector on the system board [6].
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Disassembly and reassembly