HP BOOK XE4500 manual Power

Symptom	Call Center:	Repair Center:	Repair Center:
	Suggestions	Likely Causes	Comments
Sluggish startup or	Use Tools tab in disk’s	Hard drive.
shutdown.	Properties sheet to check
	hard disk. Use Disk
	Defragmenter to optimize
	hard disk.
	Delete temporary and
	unneeded files.
Error message	Check for disk in floppy drive.	Hard drive contacts.	If notebook boots from floppy
such as “Invalid	Check boot order in BIOS	Hard drive.	drive, check for corrupt files
system disk” or	Setup.		on hard drive, use Recovery
“Auto IDE error”.	Remove and reinstall hard		CDs to reinstall factory
			software onto hard drive,
	drive.
			replace hard drive.
Password forgotten.	Verify proper ownership, then		User must call Technical
	follow removal procedure		Support and provide proof of
	with owner and record		ownership. Password
	appropriate data—see page		removal is restricted to
	5-1.		certain sites. See page 5-1.
Power
No power.	Make sure charged battery is	AC adapter.
	installed or AC adapter	Battery.
	connected.	Motherboard.
	Try another battery or AC
	adapter if available.
Notebook has short	Turn down display	Battery.	Battery capacity often
operating time	brightness.	Motherboard.	decreases after a year or
when on battery.	Check timeout settings in		more.
	Power in Control Panel.
	Check power management
	settings in BIOS Setup. Try
	default settings.
	Battery gauge might need
	calibration. Run HP Battery
	Optimizer from Start menu.
	Certain applications can
	cause excess CPU and
	power usage. (User can get
	Intel Power Monitor from
	www.intel.com and monitor
	CPU load.)
	When playing DVD movies
	on battery power, use Power
	Options in Control Panel to
	select Portable/Laptop power
	scheme.
	When using applications with
	automatic save feature (such
	as MS Word), extend save
	time or disable to reduce
	hard disk access and power
	usage.
	PCMCIA card use can affect
	battery life. Some PCMCIA
	cards draw power even while
	not in use.
	Heavy modem use can affect
	battery operating time.

HP Omnibook XE4100/XE4500 Troubleshooting and Diagnostics 3-7