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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
Online Support Information
.
Summary of Contents for Aspire 4743
Page 1: ... Aspire 4743 4743G 4743Z 4743ZG SERVICEGUIDE ...
Page 10: ...10 ...
Page 11: ...CHAPTER 1 Hardware Specifications ...
Page 14: ...1 4 ...
Page 50: ...1 40 Hardware Specifications and Configurations ...
Page 51: ...CHAPTER 2 System Utilities ...
Page 70: ...2 20 System Utilities ...
Page 71: ...CHAPTER 3 Machine Maintenance ...
Page 74: ...3 4 ...
Page 82: ...3 12 Machine Maintenance 4 Lift the base door to remove Figure 3 9 Base Door ...
Page 85: ...Machine Maintenance 3 15 6 Detach the bracket from the HDD Figure 3 14 HDD Bracket ...
Page 87: ...Machine Maintenance 3 17 4 Pull the WLAN module out of the slot Figure 3 17 WLAN Module ...
Page 100: ...3 30 Machine Maintenance 6 Lift the speakers from the upper cover Figure 3 40 Speaker Cable ...
Page 106: ...3 36 Machine Maintenance 4 Lift the USB board from the lower cover Figure 3 50 USB Board ...
Page 174: ...3 104 Machine Maintenance ...
Page 175: ...CHAPTER 4 Troubleshooting ...
Page 207: ...CHAPTER 5 Jumper and Connector Locations ...
Page 215: ...CHAPTER 6 FRU List ...
Page 216: ...6 2 Aspire 4743 4743G 4743Z 4743ZG Exploded Diagrams 6 4 Main Assembly 6 4 LCD Assembly 6 5 ...
Page 234: ...6 20 FRU List ...
Page 235: ...CHAPTER 7 Model Definition and Configuration ...
Page 236: ...7 2 Aspire 4743 4743G 4743Z 4743ZG 7 3 ...
Page 270: ...7 36 Model Definition and Configuration ...
Page 338: ...7 104 Model Definition and Configuration ...
Page 339: ...CHAPTER 8 Test Compatible Components ...
Page 340: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Page 351: ...CHAPTER 9 Online Support Information ...
Page 352: ...9 2 Introduction 9 3 ...
Page 354: ...9 4 Online Support Information ...