HP ProDesk 400 G3 MT Business PC HP ProDesk 480 G3 MT Business PC HP ProDesk 490 G3 MT Business PC - Maintenance and Service Guide

Power supply connectors connect to the drives as follows:
●
P3 connector: primary hard drive
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P5 connector: primary optical drive
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P4 connector: secondary SATA drive
5. From the inside of the chassis, press the power supply release button (1), slide the power supply toward
the front of the computer, rotate slightly into the computer so the power supply clears the lip on the top
of the chassis, and then lift the power supply out of the chassis (2).
To install the power supply, reverse the removal procedure.
62 Chapter 4 Removal and replacement procedures: Microtower