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4-12
Troubleshooting
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
.
Содержание Aspire 4250
Страница 1: ...Aspire 4250 SERVICEGUIDE ...
Страница 10: ...x ...
Страница 11: ...CHAPTER 1 Hardware Specifications ...
Страница 14: ...1 4 ...
Страница 33: ...Hardware Specifications and Configurations 1 23 System Block Diagram Figure 1 11 System Block Diagram ...
Страница 56: ...1 46 Hardware Specifications and Configurations ...
Страница 57: ...CHAPTER 2 System Utilities ...
Страница 85: ...CHAPTER 3 Machine Maintenance Procedures ...
Страница 87: ...3 3 LVDS Cable Removal 3 43 LVDS Cable Installation 3 44 ...
Страница 88: ...3 4 ...
Страница 129: ...CHAPTER 4 Troubleshooting ...
Страница 135: ...Troubleshooting 4 7 9 If the issue is still not resolved refer to Online Support Information ...
Страница 136: ...4 8 Troubleshooting LCD Picture Failure 0 If the LCD fails perform the following Figure 4 3 LCD Failure ...
Страница 153: ...CHAPTER 5 Jumper and Connector Locations ...
Страница 160: ...5 8 Jumper and Connector Locations ...
Страница 161: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Страница 162: ...6 2 Exploded Diagrams 6 4 FRU List 6 7 Screw List 6 20 ...
Страница 181: ...CHAPTER 7 Model Definition and Configuration ...
Страница 182: ...1 2 Acer Aspire 4250 7 1 ...
Страница 186: ...7 4 Model Definition and Configuration ...
Страница 187: ...CHAPTER 8 Test Compatible Components ...
Страница 188: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Страница 197: ...CHAPTER 9 Online Support Information ...
Страница 198: ...9 2 Introduction 9 3 ...
Страница 200: ...9 4 Online Support Information ...