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Case 5 — Screen Goes Blank or Corrupt Image
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.
NOTE 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.
Symptom.... Check that... How...
PC 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 PC Workstation is
configured using one monitor, then
swapped with another one.
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.
If the screen is still blank or corrupt
Check that... How...
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 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.
Hard disk drive is correctly configured and
cables are connected.
Refer to page 24 for further help, if required.
Hard disk drive is accessible. Refer to page 39 for instructions about troubleshooting using HP
DiagTools.
If the screen is still blank or corrupt
Check that... How...
The video driver is not corrupted or
incorrectly installed.
Install the latest driver for the video card.
This can be downloaded from the Kayak Support website:
www.hp.com/go/kayaksupport, then HP Kayak
XM600 PC Workstation.
Ydts.bok Page 17 Friday, December 17, 1999 10:35 AM