Troubleshooting 89
System problems
The system will not start up.
The keyboard doesn’t work.
Probable Cause
Solution
The system is not
connected to an AC
outlet.
Check the power cable(s) and make certain it
is connected to an AC power source.
Voltage selection
switch not set correctly.
Make certain the voltage selection switch
reflects the correct power source.
One power supply is
not supplying power to
the load share module.
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.
Probable Cause
Solution
A key was depressed
while the system was
starting up.
Clear the sticking key. Then turn off the
system, wait for a few seconds, and then turn
the system back on.
The keyboard is not
plugged in or
connected properly.
Check the cable. Make certain it is plugged in
correctly.
Something spilled into
the keyboard.
Turn off the system. Turn the keyboard upside
down to let it dry before turning the system
back on.
The keyboard is
defective.
Try a keyboard you know is working.
4079tl.book Page 89 Tuesday, December 22, 1998 2:04 PM