The PowerMac G5 is a desktop computer first produced in 2003 by the Apple Corporation. This guide will review the repair process of an Apple PowerMac G5 model number A1047 EMC 2061 from 2004.
It was discontinued in 2006 as part of the Intel switch first to developers then consumers.
Stick a toothpick through the holes in the front cover just below the door and nudge it up. Use a flashlight if the light is not right to see it. Then see if something has stuck to it holding it down.