Acer Power User Manual page 94

2. Reinstall the power supply into the housing frame. To reinstall, simply insert the
frame tabs into the appropriate holes on the rear panel.
3. Gently push the power supply towards the housing until the tab located on top of the
power supply frame click into place. Then secure it with the screw. This secures the
power supply into the housing frame.
4. Arrange the legs as shown above and return the housing into standing position.
AcerPower Minitower (M11E/IDCATX-2) User's Guide