HP BOOK XE4500 manual Use Recovery CDs to

Symptom	Call Center:	Repair Center:	Repair Center:
	Suggestions	Likely Causes	Comments
Local area of dark		Caused by excessive	Declared to be caused by
or light discoloration		pressure applied to	customer abuse.
visible when display		area on screen.
is on.
External display	Check connections.	External display.
does not work.	Press Fn+F5 several times.	Motherboard.
	Try display on another
	computer.
Hard disk
Hard disk never	Check power source.	Hard drive or	If drive case is damaged,
spins.	Remove and reinstall hard	connector.	drive may not operate
	drive. Check connector.	Motherboard.	properly.
Hard disk makes	Back up disk immediately.	Hard drive.	Check notebook and drive for
clunking or	Was notebook or drive		evidence of customer abuse.
scratching noise.	dropped?
Hard disk makes	Back up disk immediately.	Depends on noise
buzzing or whining	Check hard disk installation.	source.
noise.	Check for alternate noise
	sources, such as PCMCIA
	drive or fan.
Files corrupted.	Run virus scan program.
	Check hard disk using Tools
	tab in disk’s Properties sheet.
	Test hard disk drive with
	e-Diagtools diagnostics.
	Back up files if possible, then
	use Recovery CDs to
	reformat hard disk and
	reinstall factory software.
Disk capacity less	Check hard disk using Tools	Hard drive.
than normal.	tab in disk’s Properties sheet.
	Check partitions using
	Control Panel, Administrative
	Tools, Computer
	Management under Storage.
	Use Recovery CDs to
	reformat hard disk and
	reinstall factory software.
Disk’s reported	Hard disk allocates
capacity is less	approximately 20 MB to
than actual size	diagnostic software. This
	space is unavailable for other
	uses, and not included in
	hard disk capacity reported
	by Windows.
Floppy drive
General problems.	No response from floppy	Floppy drive.	Make sure floppy drive is
	drive.	Motherboard.	installed and connected
			correctly.

3-10 Troubleshooting and Diagnostics HP Omnibook XE4100/XE4500