HP omnibook xe3 Service Manual

Page of 117
HP OmniBook XE3
Troubleshooting and Diagnostics
3-9
Symptom
Call Center:
Suggestions
Repair Center:
Likely Causes
Repair Center:
Comments
Floppy drive
General problems.
Make sure floppy drive is
installed correctly.
Check settings in BIOS
Setup.
Floppy drive module
or contacts.
Motherboard.
Drive does not write
to 1.44-MB floppy
disks.
Make sure floppy disk is not
write-protected.
Floppy drive module.
Drive reads from
but does not write
to 720- or 360-KB
floppy disks.
Make sure floppy disks are
not write-protected.
Format floppy disks using
DOS “format /f:720” or
“format /f:360” command.
Floppy drive module.
CD-ROM/DVD
Particular
CD-ROM/DVD not
playing properly.
Check disk for dirt or
damage, and clean with soft
cloth or replace.
DVD movie stops
playing.
DVD may be double-sided.
Movie may be paused. Press
Play button.
Region Code error.
DVD is intended for different
world region.
“System Error:
Unable to read
drive” message.
Make sure disk is clean and
inserted correctly.
Wait 5 to 10 seconds after
closing tray before pressing
Play.
Restart notebook.
Make sure CD-ROM/DVD
drive is installed properly.
CD-ROM/DVD drive
assembly.
Motherboard.
Keyboard
Some or all keys do
not work properly.
Check settings in BIOS
Setup.
Keyboard.
Motherboard.
Try reinserting ribbon cable
in connector on motherboard.
External keyboard
does not work.
Check settings in BIOS
Setup.
External keyboard.
Motherboard.
Embedded numeric
keypad does not
work.
Press Fn+F8 to activate
numeric keypad, and Lock
key to turn on number lock.
Avoid touching touch pad
while booting or resuming.
Keyboard.
Top case.
Motherboard.