System Problems - Gateway E-420 Maintaining & Troubleshooting

System problems

The system will not start up.
Probable Cause
The system is not con-
nected to an AC outlet.
Voltage selection
switch not set correctly.
One power supply is
not supplying power to
the load share module.
The keyboard doesn't work.
Probable Cause
A key was depressed
while the system was
starting up.
The keyboard is not
plugged in or con-
nected properly.
Something spilled into
the keyboard.
The keyboard is defec-
tive.
Solution
Check the power cable(s) and make certain
it is connected to an AC power source.
Make certain the voltage selection switch is
set for the correct power source.
Verify both power cords are plugged into
working AC outlets.
Verify that both power cords are fully
plugged into their AC-IN connectors on rear
of computer.
Verify that both power supplies are set to the
correct voltage range (115-V AC or 230-V
AC).
Verify that both power supplies are turned
on. Replace defective power supply.
Solution
Clear the sticking key. Then turn off the sys-
tem, wait for a few seconds, and then turn
the system back on.
Check the cable. Make certain it is plugged
in correctly.
Turn off the system. Turn the keyboard
upside down to let it dry before turning the
system back on.
Try a keyboard you know is working.
Troubleshooting 79