Troubleshooting Your Workstation
Case 5: Screen Goes Blank Or Corrupt Image
Chapter 7
166
Case 5: Screen Goes Blank Or Corrupt Image
When the power button is pressed, the workstation starts to boot and there is initially
some activity on the monitor, but then the screen goes blank or the image is corrupt.
• Screen becomes blank, or
• Image is corrupt.
NOTE Before removing the cover, always switch off the display and workstation. Disconnect the
power cord and any accessory cables. When checks have been completed, close the
workstation and reconnect the power cord and accessory cables. Verify that the
workstation boots correctly.
Symptom.... Check that... How...
Workstation boots
correctly, but when
the operating system
starts loading, the
screen goes blank or
image is corrupt.
The monitor supports the
resolution and selected
refresh rate. This type of
problem can occur if the
workstation is configured
using one monitor, then
swapped with another one.
1. Reboot the workstation in VGA mode.
Then, access
Display Properties
through Start, Settings, Control Panel.
2. Change the display resolution and
refresh values to settings that can be
handled by your monitor.
If the screen is still blank or corrupt
The video card is correctly
inserted in the socket on the
system board.
1. Follow the instructions indicated in
the above Note about removing the
cover and switching off the
workstation.
2. Remove the AGP card, then carefully
re-insert it into the socket.
3. Replace the cover and reconnect the
power cord and accessory cables.
Verify that the workstation boots
correctly.
Hard disk drive is correctly
configured and cables are
connected.
Refer to page 169 for further help, if
required.
Hard disk drive is accessible. Refer to page 182 for instructions about
troubleshooting using HP e-DiagTools.
If the screen is still blank or corrupt
The video driver is not
corrupted or incorrectly
installed.
Install the latest driver for the video card.
This can be downloaded from the
Workstation Support web site:
www.hp.com/go/workstationsupport, then
HP Workstation x2100.
