HP BOOK XE4500 manual Display

Symptom	Call Center:	Repair Center:	Repair Center:
	Suggestions	Likely Causes	Comments
Notebook resumes	Notebook can take a minute
slowly from Standby	or longer to resume if
mode.	network card is installed.
	Blinking cursor appears while
	system is loading and
	checking hardware and
	network connections. When
	hardware is reinitialized,
	Windows desktop appears.
Does not suspend	Notebook won’t suspend if
to Standby mode as	connection to another
expected.	computer is active.
	If notebook is busy, it
	normally finishes current
	operation before suspending.
Does not	Make sure hibernate support
automatically enter	is enabled in Power in
Hibernate mode as	Control Panel. Also, make
expected.	sure Hibernate timeouts
	(Power Schemes tab) for AC
	and battery power are not set
	to Never.
Display
Dark display, no	Make sure notebook is	Display cable	Check cable connections.
light.	turned on and warmed up.	connection.	Replace SDRAM modules.
	Check power supply.	SDRAM modules.	Make sure CPU module is
	Make sure SDRAM modules	CPU module.	installed properly, replace
	are installed properly.	Display assembly.	CPU module.
	Adjust display brightness.	Motherboard.	Check display cable
	Press Fn+F5 several times.		connections, replace display
	Try external monitor.		assembly.
			If external monitor displays
			no image, replace
			motherboard.
White display.	Adjust display brightness.	Display assembly.
		Switchboard PCA.
Erratic display.		Display cable	Check display cable
		connection.	connection.
		Switchboard PCA.
		Display assembly.
		Motherboard.
Bright or missing	See quality statement on	Display cable	Check display cable
pixels or lines.	page 5-2.	connection.	connection.
		Display assembly.	See quality statement on
			page 5-2.
Punctured display.			Declared to be caused by
			customer abuse.
Vertical crack near		Usually caused by	Declared to be caused by
center of display.		closing display with	customer abuse.
		pencil-sized object on
		keyboard.
Scratched display			Declared to be caused by
glass.			customer abuse.

HP Omnibook XE4100/XE4500 Troubleshooting and Diagnostics 3-9