Troubleshooting
4-9
Internal Speaker Failure
If the internal speaker fails, perform the following:
Figure 4-6. Internal Speaker Failure
Sound Problems
0
Perform the following:
1.
Boot the computer.
2.
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.
•
Click Mixer to verify that other audio applications are set to 50 and not muted.
6.
Confirm that Speakers is selected as the default audio device (green check mark) in the Control
Panel.
Start
Swap M/B
Check M/B
SPK cable
Check Logic lower
Re-assemble the
SPK cable to M/B
OK
NG
Swap Logic lower
OK
OK
NG
Содержание AN515-51
Страница 1: ...AN515 51 S E R V I C E G U I D E ...
Страница 13: ...Hardware Specifications and Configurations 1 6 Accessories 135W AC adapter Manual Kits Bag Power cord ...
Страница 22: ...1 15 Hardware Specifications and Configurations System Block Diagram Figure 1 7 System Block Diagram ...
Страница 141: ...CHAPTER 5 Service and Maintenance cont WLAN Antenna Aux Installation 5 128 ...
Страница 214: ...5 76 Service and Maintenance 5 Lift to remove the LCD module from the upper case Figure 5 109 Removing the LCD Module ...
Страница 292: ...CHAPTER 8 Online Support Information Online Support Information 8 2 Introduction 8 2 ...
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