Chapter 4
145
Internal Speaker Failure
If the internal
Speakers
fail, perform the following actions one at a time to correct the problem. Do not replace
non-defective FRUs:
Sound Problems
If sound problems are experienced, perform the following actions one at a time to correct the problem.
1.
Reboot the computer.
2.
Navigate to
Start
´
Control
Panel
´
System
and
Maintenance
´
System
´
Device
Manager
. Check
the Device Manager to determine that:
•
The device is properly installed.
•
There are no red Xs or yellow exclamation marks.
•
There are no device conflicts.
•
No hardware is listed under Other Devices.
3.
Roll back the audio driver to the previous version, if updated recently.
4.
Remove and reinstall the audio driver.
5.
Ensure that all volume controls are set mid range:
a.
Click the volume icon on the taskbar and drag the slider to 50. Ensure that the volume is not muted.
b.
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
. Ensure that Speakers are selected
as the default audio device (green check mark).
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 onscreen prompts to configure
the speakers.
Start
Check M/B
Speaker cable
ok
Check
speaker
Swap M/B
Re-assemble
the speaker cable
to M/B
NG
Swap speaker
NG
OK
OK
Summary of Contents for EasyNote LJ77
Page 6: ...VI...
Page 10: ...X Table of Contents Online Support Information 207 Index 209...
Page 15: ...Chapter 1 5 System Block Diagram...
Page 58: ...48 Chapter 2...
Page 71: ...Chapter 3 61 5 Remove the HDD from the carrier...
Page 85: ...Chapter 3 75 11 Carefully remove the LCD module from the chassis...
Page 94: ...84 Chapter 3 5 Lift the entire Speaker assembly clear of the Upper Cover...
Page 148: ...138 Chapter 3...
Page 178: ...168 Chapter 4...
Page 186: ...176 Chapter 5...
Page 199: ...Chapter 6 189...
Page 216: ...206 Appendix B...
Page 218: ...208 Appendix C...
Page 222: ...212...