Acer Altos R720 Series User Manual page 92

82
To install a power supply module
1 If a filler panel is installed, press the release lever (A) and use the
finger hole to remove the filler panel out of the bay (B).
2 Insert the power supply module into the power supply bay until it
locks into place.
3 Plug the power cord into the DC receptacle on the power supply.
4 Verify that the LED on the power supply are functioning. Refer to
the "Rear panel LED indicators" on page 14 for more information.
3 System upgrade