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Troubleshooting
4-11
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 that
Speakers are selected as the default audio device (green check mark).
NOTE:
NOTE
:
If Speakers do not show, right-click on the
Playback
tab and select
Show Disabled
Devices
(clear by default).
7.
Select Speakers and click Configure to start
Speaker Setup
. Follow the on-screen
prompts to configure the speakers.
8.
Remove any recently installed hardware or software.
9.
Restore system and file settings from a known good date using
System Restore
.
10. If the issue is remains, repeat step 9, selecting an earlier time and date.
11. Reinstall the Operating System.
12. If the issue is still not resolved, refer to the
Online Support Information
on page
9-3
Summary of Contents for Aspire S7-391
Page 1: ...Aspire S7 391 SERVICEGUIDE ...
Page 9: ...CHAPTER 1 Hardware Specifications ...
Page 38: ...1 30 Hardware Specifications and Configurations ...
Page 39: ...CHAPTER 2 System Utilities ...
Page 58: ...2 20 System Utilities ...
Page 59: ...CHAPTER 3 Machine Maintenance ...
Page 96: ...3 38 Machine Maintenance 4 Detach the keyboard from the upper case Figure 3 58 Keyboard ...
Page 128: ...3 70 Machine Maintenance ...
Page 129: ...CHAPTER 4 Troubleshooting ...
Page 158: ...4 30 Troubleshooting ...
Page 159: ...CHAPTER 5 Jumper and Connector Locations ...
Page 165: ...CHAPTER 6 FRU List ...
Page 166: ...6 2 Aspire S7 391 Exploded Diagrams 6 4 Main Assembly 6 4 FRU List 6 6 ...
Page 177: ...CHAPTER 7 Test Compatible Components ...
Page 178: ...7 2 Microsoft Windows 7 Environment Test 7 3 ...
Page 183: ...CHAPTER 8 Online Support Information ...
Page 184: ...8 2 Online Support Information 8 3 ...
Page 186: ...8 4 ...