16
PC Troubleshooting and System Recovery Guide
Power
Symptom Problem
Solution
PC is not securely connected to
an external power source.
Ensure that cables connecting the PC to the external power
source are plugged in properly.
Green power supply light on
back of PC is out.
When the cables connecting the PC to the external power
source are plugged in properly and the wall outlet is
functioning, the green power supply light should be on;
if the light is not on, refer to the
Warranty and Support
Guide
to contact Support.
Monitor is not connected or is
not on.
Connect the monitor to the PC, plug it in, and turn it on.
Line voltage selection switch is
not in the proper position for
your country/region
(115V
/230V
).
Set the line voltage selection switch to the correct setting
for your country/region, or refer to the
Warranty and
Support Guide
to contact Support.
Wall outlet is defective.
Test the outlet by connecting a different electrical device to
the outlet.
Wrong memory modules were
used in an upgrade, or
memory modules were
installed in the wrong location.
Reinstall the old memory to return your PC to its original
state. Refer to the
Upgrading and Servicing Guide
for
instructions.
Hard disk drive is damaged.
Press the Help
?
button on the keyboard to open the Help
and Support Center, or refer to the
Warranty and Support
Guide
to contact Support for replacement details.
PC will not turn on or start.
After an upgrade or repair, the
drive power, data, or power
supply cables may not be
properly connected.
Reseat drive power, data, and power supply cables. See
the
Upgrading and Servicing Guide
for instructions.
Invalid system disk
Or
Non-System disk or disk
error
message displays.
A diskette has been left in the
drive during startup.
When drive activity stops, remove the diskette and press
the spacebar. The PC should start up.
PC appears locked up and
won’t turn off when the On
button is pressed.
PC is not working.
Press and hold the On button until the PC turns off.
The PC temperature was
exceeded.
The PC is in an exceedingly hot environment. Let it
cool down.
Ensure PC air vents are not blocked and internal fan is
running. Note that your PC may not have an internal fan.
The PC temperature was
exceeded because the PC was
functioning with the cover or
access panel removed.
Replace cover or access panel, and let the PC cool down
before attempting to turn on power to the PC.
PC powered off
automatically.
Processor or system fan has
failed.
Refer to the
Warranty and Support Guide
to contact
Support for replacement details. Note that your PC may
not have an internal fan.
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