Removing The Power Supply Unit - Acer ASPIRE Z3750 Service Manual

7. Remove the hard drive from its bracket.

Removing the Power Supply Unit

1. Remove the wall mount plate by following the procedure described on page 40.
2. Disconnect the 4-pin and 24-pin ATX power cables from their mainboard connectors.
a. Press the top portion of the cable's retaining latch
b. Pull the cable straight up from its connector.
3. Disconnect the PSU extension cable.
Aspire Z3750 / Z3751 / Z5750 / Z5751 AIO Computer Service Guide 47