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4-10 Troubleshooting
Internal Speaker Failure 0
If internal Speakers fail, perform the following, one at a time. Do not replace a non-defective
FRU:
Figure 4-6. Internal Speaker Failure
Sound Problems 0
Perform the following, one at a time.
1.
Boot the computer.
2. Navigate to Start
´
Control Panel
´
System and Maintenance
´
System
´
Device
Manager. 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
3. If updated recently, roll back the audio driver to the previous version.
4. Remove and reinstall the audio driver.
5. Make sure that all volume controls are set mid range:
Click the volume icon on the taskbar
Drag the slider to 50. Confirm that the volume is not muted.
Start
OK
NG
OK
NG
Swap M/B
Check M/B SPK
cable
Re-assemble the
SPK cable to M/B
Check Logic
Upper/Logic
upper
Swap Logic
lower/Logic upper