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
Ò
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.
6.
Navigate to
Start
→
Control
Panel
→
Hardware
and
Sound
→
Sound
. Confirm
Summary of Contents for AOD257
Page 1: ...Aspire One D257 Happy 2 SERVICEGUIDE ...
Page 10: ...x ...
Page 11: ...CHAPTER 1 Hardware Specifications ...
Page 14: ...1 4 ...
Page 55: ...CHAPTER 2 System Utilities ...
Page 81: ...CHAPTER 3 Machine Maintenance Procedures ...
Page 83: ...3 3 Camera Module Installation 3 40 ...
Page 84: ...3 4 ...
Page 107: ...Machine Maintenance Procedures 3 27 ID Size Quantity Screw Type C M2 0 3 0 NI 2 ...
Page 116: ...3 36 Machine Maintenance Procedures Figure 3 33 LCD Panel ...
Page 121: ...CHAPTER 4 Troubleshooting ...
Page 127: ...Troubleshooting 4 7 9 If the issue is still not resolved refer to Online Support Information ...
Page 144: ...4 24 Troubleshooting ...
Page 145: ...CHAPTER 5 Jumper and Connector Locations ...
Page 152: ...5 8 Jumper and Connector Locations ...
Page 153: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Page 154: ...6 2 Exploded Diagrams 6 4 FRU List 6 7 Screw List 6 28 ...
Page 181: ...CHAPTER 7 Model Definition and Configuration ...
Page 182: ...1 2 Aspire One D257 7 1 Aspire One Happy 2 7 109 ...
Page 388: ...7 206 Model Definition and Configuration ...
Page 389: ...CHAPTER 8 Test Compatible Components ...
Page 390: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Page 398: ...8 10 Test Compatible Components ...
Page 399: ...Test Compatible Components 8 11 ...
Page 400: ...8 12 Test Compatible Components ...
Page 401: ...CHAPTER 9 Online Support Information ...
Page 402: ...9 2 Introduction 9 3 ...
Page 404: ...9 4 Online Support Information ...