Symptom

Touch pad

Call Center:

Repair Center:

Suggestions

Likely Causes

Repair Center: Comments

General problems.

Click button does not work.

Memory

Restart notebook.

Press and hold power button four seconds to reset notebook.

Avoid touching touch pad while booting or resuming.

Check settings in Control Panel.

Top case. Motherboard.

Top case. Motherboard.

Out of memory error.

Memory doesn’t increase after adding SDRAM

Audio

No sound is audible.

Built-in microphone does not record.

Feedback from speakers.

PC card detection beep at startup is loud and cannot be adjusted.

Make sure C drive is not running out of free space.

Use memory troubleshooter in Windows Help.

Not all third-party memory cards have been tested for use with notebook. Check HP Notebook Web site for list of approved memory cards.

Use only PC133 or higher SDRAM modules.

Increase sound volume.

Make sure sound is enabled (software controls).

Check for sound resource conflicts in Device Manager.

Sound may not operate properly in MS-DOS mode.

Check speaker cable connections.

Check software controls for recording sound.

Make sure display assembly is connected properly.

Reduce sound volume.

In Volume Control, click Options, Properties, select Playback, and enable microphone. Then make sure microphone is muted.

Download latest audio driver from technical support area of HP Notebook Web site (see page vi).

SDRAM module.

SDRAM module.

Speakers.

Motherboard.

Display assembly. Motherboard.

Check operation using headphones or external speakers.

Check operation using external microphone.

Technology Code ID)

Troubleshooting and Diagnostics 3-13