User Manual

4-12 Troubleshooting
Internal Speaker Failure 0
If internal Speakers fail, perform the following, one at a time. Do not replace a non-defective
FRU:
Figure 4-7. Internal Speaker Failure
Sound Problems 0
Perform the following, one at a time.
1. Boot the computer.
2. Drag the mouse pointer to the top or bottom right corner of the screen until the Charms bar
appear along the right edge of the screen.
3. Click Search.
4. Enter Device Manager in the search box and click Device Manager.
5. Check the Device Manager to determine that:
The device is properly installed
There are no red Xs or yellow exclamation marks
There are no device conflicts
No hardware is listed under Other Devices
6. If updated recently, roll back the audio driver to the previous version.
7. Remove and reinstall the audio driver.
Start
Check Speaker cable
connection
Check Speaker
module
Replace Mainboard
Reconnect the
Speaker cable
OK
NG
Replace Speaker module
OK
NG