IBM Personal Computer AT Manual To Operations page 384

2
Is the Power-on indicator light on?
bJ
•
Power-On
Indicator
•
ct
YES Go to Step 3.
NO Be sure that the power cord is plugged
into a functioning wall outlet and into the
~
rear of your display. If it is, have your
display serviced. Be sure your power
cable is with your display.
3
Turn your system unit's power off.
Go to step 4.
9000-2 Test