Chapter 4
125
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
SPK cable
Re-assemble
the SPK cable
to M/B
OK
NG
Check
Logic Lower
OK
Swap Logic
lower
OK
NG
Swap M/B
Summary of Contents for AOD250
Page 6: ...VI ...
Page 10: ...X Table of Contents ...
Page 28: ...18 Chapter 1 ...
Page 45: ...Chapter 2 35 3 Execute MAC BAT to write MAC information to eeprom ...
Page 46: ...36 Chapter 2 ...
Page 52: ...42 Chapter 3 4 Lift the Memory cover up to remove 5 Lift the 3G cover up to remove ...
Page 60: ...50 Chapter 3 6 Disconnect the FFC and remove the Keyboard ...
Page 70: ...60 Chapter 3 4 Remove the WLAN Board from the Mainboard ...
Page 78: ...68 Chapter 3 4 Lift the Thermal Module clear of the Mainboard ...
Page 104: ...94 Chapter 3 3 Connect the Camera cable as shown ...
Page 126: ...116 Chapter 3 4 Replace the single screw to secure the HDD in place ...
Page 155: ...Chapter 5 145 Power board Item Description SW1 Power button LED1 Power LED ...
Page 208: ...Appendix A 198 ...
Page 216: ...206 Appendix B ...
Page 218: ...208 Appendix C ...
Page 222: ...212 ...