HP XM600 - Kayak - 128 MB RAM Troubleshooting Manual page 19

NOTE
Symptom....
PC Workstation boots correctly,
but when the operating system
starts loading, the screen goes
blank or image is corrupt.
If the screen is still blank or corrupt
If the screen is still blank or corrupt
Case 5 — Screen Goes Blank or Corrupt Image
When the power button is pressed, the PC 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.
•
Before removing the cover, always switch off the display and PC Workstation.
Disconnect the power cord and any accessory cables. When checks have been
completed, close the PC Workstation and reconnect the power cord and accessory
cables. Verify that the PC Workstation boots correctly.
Check that...
The monitor supports the resolution and
selected refresh rate. This type of problem
can occur if the PC Workstation is
configured using one monitor, then
swapped with another one.
Check that...
The video card is correctly inserted in the
socket on the system board.
Hard disk drive is correctly configured and
cables are connected.
Hard disk drive is accessible.
Check that...
The video driver is not corrupted or
incorrectly installed.
Your PC Workstation Does Not Start Correctly
Case 5 — Screen Goes Blank or Corrupt Image
How...
1 Reboot the PC 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.
How...
1 Follow the instructions indicated in the above Note about
removing the cover and switching off the PC 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 PC Workstation boots
correctly.
Refer to page 26 for further help, if required.
Refer to page 41 for instructions about troubleshooting using HP
DiagTools.
How...
Install the latest driver for the video card.
This can be downloaded from the Kayak Support web site:
www.hp.com/go/kayaksupport
XM600 PC Workstation.
, then HP Kayak
19