HP Omnibook XE3 Service Manual page 75

Symptom Call Center:
Suggestions
Display
Dark display, no Make sure notebook is
light. turned on and warmed up.
Check power supply.
Adjust display brightness.
Press Fn+F5 several times.
Make sure SDRAM modules
are installed properly.
Make sure CPU module is
installed properly.
Try external monitor.
White display. Adjust display brightness.
Erratic display.
Bright or missing See quality statement on
pixels or lines. page 5-2.
Punctured display.
Vertical crack near
center of display.
Scratched display
glass.
Local area of dark
or light discoloration
visible when display
is on.
External display Check connections.
does not work.
Press Fn+F5 several times.
Try display on another
computer.
External display For Windows 98, use default
cannot use high display type for internal
resolution. display: Default Monitor. If
display type is changed, non-
Plug-and-Play (non-DDC)
external monitors cannot use
resolutions higher than that
of the internal display. Check
display settings in Control
Panel, or by right-clicking
desktop and clicking
Properties.
Display difficult to Check display resolution
read or part of (1024 × 768).
desktop not visible.
Use HP Desktop Zoom to
adjust size of desktop icons
and labels.
3-10 Troubleshooting and Diagnostics
Repair Center: Repair Center:
Likely Causes Comments
Display cable Set DIP switch on
connection. motherboard to match label
on display (see page 2-18).
SDRAM modules.
Check cable connection.
CPU module.
Replace SDRAM modules.
Display assembly.
Replace CPU module.
Motherboard.
Replace display assembly.
If external monitor displays
no image, replace
motherboard.
Display assembly.
Switchboard PCA.
Display cable Check the display cable
connection. connection.
Display assembly.
Motherboard.
Display cable Check the display cable
connection. connection.
Display assembly. See quality statement on
page 5-2.
Declared to be caused by
customer abuse.
Usually caused by Declared to be caused by
closing display with customer abuse.
pencil-sized object
on keyboard.
Declared to be caused by
customer abuse.
Caused by excessive Declared to be caused by
pressure applied to customer abuse.
an area on the
screen.
External display.
Motherboard.
HP Omnibook XE3 (Technology Code GF)