Troubleshooting
4-11
6.
Navigate to
Start
Control Panel
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 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 7750Z
Page 1: ...Aspire 7750 7750G SERVICEGUIDE...
Page 10: ...x...
Page 11: ...CHAPTER 1 Hardware Specification...
Page 14: ...1 4...
Page 56: ...1 46 Hardware Specifications and Configurations...
Page 57: ...CHAPTER 2 System Utilities...
Page 79: ...CHAPTER 3 Machine Maintenance...
Page 82: ...3 4...
Page 122: ...3 44 Machine Maintenance Procedures...
Page 123: ...CHAPTER 4 Troubleshooting...
Page 149: ...CHAPTER 5 Jumper and Connector Locations...
Page 156: ...5 8 Jumper and Connector Locations...
Page 157: ...CHAPTER 6 FRU List...
Page 158: ...6 2 Exploded Diagrams 6 4 FRU List 6 6 Screw List 6 23...
Page 180: ...6 24 FRU Field Replaceable Unit List...
Page 181: ...CHAPTER 7 Model Definition and Configuration...
Page 182: ...7 2 Aspire 7750 7750G 7 3...
Page 253: ...CHAPTER 8 Test Compatible Components...
Page 254: ...8 2 Microsoft Windows 7 Environment Test 8 4...
Page 270: ...8 18 Test Compatible Components...
Page 271: ...CHAPTER 9 Online Support Information...
Page 272: ...9 2 Introduction 9 3...
Page 274: ...9 4 Online Support Information...