Solving Display Problems - HP Blade Blade Troubleshooting Manual

Troubleshooting Without Diagnostics

Solving Display Problems

Solving Display Problems
Problem
Blank screen (no video).
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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.
2–18
If you encounter display problems, see the documentation that came
with the monitor and to the common causes and solutions listed in the
following table.
Cause
Monitor is not turned on
and the monitor light is
not on.
Bad monitor.
The cable connections
are not correct.
You may have a screen
blanking utility installed
or energy saver features
are enabled.
System ROM is
corrupted; system is
running is Boot Block
Emergency Recovery
Mode (indicated by
eight beeps).
You are using a
fixed-sync monitor and
it will not sync at the
resolution chosen.
Computer is in
standby mode.
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Solution
Turn on the monitor and check that
the monitor light is on.
Try a different monitor.
Check the cable connection from the
monitor to the computer and to the
electrical outlet.
Press any key or click the mouse
button and, if set, type your
password.
Reflash the system ROM with the
latest BIOS image. See the "Boot
Block Emergency Recovery Mode"
section of the Desktop Management
Guide on the Documentation and
Diagnostics CD for more information
Be sure that the monitor can accept
the same horizontal scan rate as the
resolution chosen.
Press the power button to resume
from standby mode.
Troubleshooting Guide