Acer Aspire TC-780 - Reassembly Procedures

44 Aspire TC-780 Desktop Computer Service Guide
Removing the Power Supply Module
1. Disconnect the power supply cables from the mainboard.
2. Remove the four screws securing the rear end of the power supply module to the chassis.
Quantity Color Torque Part Number Screw Type
4 Silver 6.0 ± 0.5 kgf-cm 86.SPZD1.003