HP 2157AD, 2500, 2183AF, 2182US, 2182AT, 2182AF, 2180EA, 2180AF, 2158 Touch pad, Synaptics PS/2 TouchPad

Symptom

Call Center: Suggestions

Repair Center: Likely Causes

Repair Center: Comments

Touch pad

General problems	Reset notebook	Top case
	(see page 1-17).	Motherboard
	Check settings in Control
	Panel. Make sure touch pad is
	enabled in Mouse Properties.
	By default, touch pad is
	disabled if external PS/2
	mouse is connected, Use BIOS
	Setup to check settings.
	Avoid touching touch pad while
	booting or resuming.
Special touch pad	In Mouse Properties, select	Top case
features not working	Synaptics PS/2 TouchPad	Motherboard
	driver. (Driver is installed from
	\hp\drivers\TouchPad.)
Select button does		Top case
not work		Motherboard
Memory
Out of memory error	Make sure C drive has	SDRAM module
	adequate free space.
	Delete temporary and
	unneeded files.
	Use memory troubleshooter in
	Windows Help.
	Not all third-party memory
	cards have been tested for use
	with notebook.
Notebook does not	Use only DDR-266 SDRAM	SDRAM module
boot after adding	modules.
SDRAM
Audio
No sound audible	Increase sound volume.	Top case	Check operation
	Check whether sound is	Speaker assembly	using headphones or
			external speakers
	enabled (mute button and
		Switchboard PCA	(switchboard PCA).
	software controls).
		Motherboard	Make sure speaker
	Check for sound resource
			assembly cable is
	conflicts in Device Manager.
			connected.
	Test audio with e-Diagtools
	diagnostics.
Sound does not	Use an external microphone	Switchboard PCA
record	(internal microphone normally	Motherboard
	not included).
	Check software controls.
	Test audio with e-Diagtools
	diagnostics.

Service Manual Troubleshooting and Diagnostics 3-15