Troubleshooting Guide www.hp.com/in 8-15
Troubleshooting
Problem
Blank screen (no video)
(continued).
Power LED is flashing and
computer will not start.
Cause
You may have a screen
blanking utility installed or
energy saver features are
enabled.
Computer is in
standby
mode.
You are using a fixed-sync
monitor and it will not sync
at the resolution chosen.
The VGA/BNC selector
switch on the monitor (some
models) is not properly set.
Bad monitor.
Initernal error has occurred
and the computer is
flashing a code.
Solution
Press any key or click the
mouse button and, if set,
type your password.
Press the power button to
resume from
standby
mode.
Be sure that the monitor can
accept the same horizontal
scan rate as the resolution
chosen.
Set the selector switch to
agree with the cable
connection.
Try a different monitor.
Refer to "Interpreting
Diagnostic Lights and Audible
Codes" to interpret the error
code.
CAUTION:
When attempting to resume from
standby
mode, do not hold down the
power button for more than four seconds. Otherwise, the computer will shut down and
you will lose any unsaved data.