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82 Troubleshooting
Computer problems
The computer will not start up.
The computer is non-responsive.
The keyboard does not work.
Probable cause Solution
The computer is not
connected to an AC outlet
Make sure the power cable(s) are connected
correctly to an operating AC power source.
The voltage selection switch
is not set correctly
Make sure the voltage selection switch is set
correctly for your area.
Probable cause Solution
An error occurred while
running a program or your
computer may be out of
memory
Restart your computer. If the computer is still
non-responsive, press and hold in the power
button for 5 seconds to turn the computer off.
Turn the computer back on and follow the
on-screen instructions.
The heatsink is not properly
seated on the processor.
Reseat the heatsink.
Probable cause Solution
A key was pressed while the
computer was starting up
Clear the stuck key, then turn off the computer,
wait for a few seconds, then turn the computer
back on.
The keyboard is not plugged
in or connected properly
Make sure the cable is plugged in correctly.
Something spilled into the
keyboard
Turn off the computer. Turn the keyboard
upside down to drain, then turn it over and let
it dry before using the keyboard again.
The keyboard is defective Try a keyboard you know is working.