Troubleshooting Guide
www.hp.com
2–3
Troubleshooting Without Diagnostics
■
Remove any hardware that was recently added to your system.
■
Remove any software that was recently installed.
■
Run the
Restore Plus!
CD.
✎
For sales information and warranty upgrades (CarePaqs), call
1-800-282-6672.
Helpful Hints
If you encounter some minor problems with the computer, monitor, or
software, see the following list of general suggestions before taking
further action:
■
Check that the computer and monitor are plugged into a working
electrical outlet.
■
Check to see that the voltage select switch is set to the appropriate
voltage for your region (115V or 230V).
■
Check to see that the computer is turned on and the green power
light is on.
■
Check to see that the monitor is turned on and the green monitor
light is on.
■
Look for flashing LEDs on the front of the computer. The
flashing lights are error codes that will help you diagnose the
problem. Refer to
Appendix A, “POST Error Messages”
for more
information.
■
Turn up the brightness and contrast controls of the monitor if the
monitor is dim.
■
Press and hold any key. If the system beeps, then the keyboard
should be operating correctly.
■
Check all cable connections for loose connections or incorrect
connections.
■
Wake the computer by pressing any key on the keyboard or
pressing the power button. If the system remains in suspend
mode, shut down the computer by pressing and holding the power
button for at least four seconds then press the power button again
to restart the computer. If the system will not shut down, unplug