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Troubleshooting
4-11
Internal Speaker Failure
0
If internal Speakers fail, perform the following:
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.
Click Mixer to verify that other audio applications are set to 50 and not muted.
Содержание Aspire 4349
Страница 1: ...Aspire 4349 4749 4749Z SERVICEGUIDE ...
Страница 10: ...x Online Support Information Introduction 9 3 ...
Страница 11: ...CHAPTER 1 Hardware Specifications ...
Страница 14: ...1 4 ...
Страница 60: ...1 50 Hardware Specifications and Configurations ...
Страница 61: ...CHAPTER 2 System Utilities ...
Страница 89: ...CHAPTER 3 Machine Maintenance Procedures ...
Страница 92: ...3 4 ...
Страница 136: ...3 48 Machine Maintenance Procedures ...
Страница 137: ...CHAPTER 4 Troubleshooting ...
Страница 143: ...Troubleshooting 4 7 9 If the issue is still not resolved refer to Online Support Information ...
Страница 144: ...4 8 Troubleshooting LCD Picture Failure 0 If the LCD fails perform the following Figure 4 3 LCD Failure ...
Страница 161: ...CHAPTER 5 Jumper and Connector Locations ...
Страница 168: ...5 8 Jumper and Connector Locations ...
Страница 169: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Страница 170: ...6 2 Exploded Diagrams 6 4 FRU List 6 7 Screw List 6 16 ...
Страница 185: ...CHAPTER 7 Model Definition and Configuration ...
Страница 186: ...7 2 Acer Aspire 4349 7 3 Acer Aspire 4749 4749Z 7 16 ...
Страница 208: ...7 24 Model Definition and Configuration ...
Страница 209: ...CHAPTER 8 Test Compatible Components ...
Страница 210: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Страница 220: ...8 12 Test Compatible Components ...
Страница 221: ...CHAPTER 9 Online Support Information ...
Страница 222: ...9 2 Introduction 9 3 ...