4-12
Troubleshooting
Microphone Failure
0
If internal or external Microphones fail, perform the following.
Figure 4-7.
Microphone Failure
1.
Check that the microphone is enabled. Navigate to
Start
Control Panel
Sound
and select the
Recording
tab.
2.
Right click on the
Recording
tab and select
Show Disabled Devices
(clear by
default). The microphone appears on the
Recording
tab.
3.
Right click on the microphone and select
Enable
.
4.
Select the microphone then click
Properties
. Select the
Levels
tab.
5.
Increase the volume to the maximum setting and click
OK
.
6.
Test the microphone hardware:
a.
Select the microphone and click
Configure
.
b.
Select
Set up microphone
.
c.
Select the microphone type from the list and click
Next
.
d.
Follow the on-screen prompts to complete the test.
7.
If the Issue is still not resolved, refer to
Online Support Information
.
Start
OK
NG
OK
NG
Swap M/B
Check M/B
Mic. cable
Re assemble the
MIC cable to M/B
Check MIC
wire of LCD
module
Swap MIC wire of
LCD module
Summary of Contents for Aspire 7750
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 ...