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4-12
Troubleshooting
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 does 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
Online Support Information
.
Summary of Contents for Aspire 4349
Page 1: ...Aspire 4349 4749 4749Z SERVICEGUIDE ...
Page 10: ...x Online Support Information Introduction 9 3 ...
Page 11: ...CHAPTER 1 Hardware Specifications ...
Page 14: ...1 4 ...
Page 60: ...1 50 Hardware Specifications and Configurations ...
Page 61: ...CHAPTER 2 System Utilities ...
Page 89: ...CHAPTER 3 Machine Maintenance Procedures ...
Page 92: ...3 4 ...
Page 136: ...3 48 Machine Maintenance Procedures ...
Page 137: ...CHAPTER 4 Troubleshooting ...
Page 143: ...Troubleshooting 4 7 9 If the issue is still not resolved refer to Online Support Information ...
Page 161: ...CHAPTER 5 Jumper and Connector Locations ...
Page 168: ...5 8 Jumper and Connector Locations ...
Page 169: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Page 170: ...6 2 Exploded Diagrams 6 4 FRU List 6 7 Screw List 6 16 ...
Page 185: ...CHAPTER 7 Model Definition and Configuration ...
Page 186: ...7 2 Acer Aspire 4349 7 3 Acer Aspire 4749 4749Z 7 16 ...
Page 208: ...7 24 Model Definition and Configuration ...
Page 209: ...CHAPTER 8 Test Compatible Components ...
Page 210: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Page 220: ...8 12 Test Compatible Components ...
Page 221: ...CHAPTER 9 Online Support Information ...
Page 222: ...9 2 Introduction 9 3 ...