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
Содержание AOD250
Страница 6: ...VI ...
Страница 10: ...X Table of Contents ...
Страница 28: ...18 Chapter 1 ...
Страница 45: ...Chapter 2 35 3 Execute MAC BAT to write MAC information to eeprom ...
Страница 46: ...36 Chapter 2 ...
Страница 52: ...42 Chapter 3 4 Lift the Memory cover up to remove 5 Lift the 3G cover up to remove ...
Страница 60: ...50 Chapter 3 6 Disconnect the FFC and remove the Keyboard ...
Страница 70: ...60 Chapter 3 4 Remove the WLAN Board from the Mainboard ...
Страница 78: ...68 Chapter 3 4 Lift the Thermal Module clear of the Mainboard ...
Страница 101: ...Chapter 3 91 IMPORTANT Ensure that the LCD Cable runs as shown to avoid trapping when the Bezel is replaced ...
Страница 104: ...94 Chapter 3 3 Connect the Camera cable as shown ...
Страница 113: ...Chapter 3 103 7 Run the LVDS cable along the cable channel as shown 8 Connect the LVDS cable to the Mainboard ...
Страница 126: ...116 Chapter 3 4 Replace the single screw to secure the HDD in place ...
Страница 155: ...Chapter 5 145 Power board Item Description SW1 Power button LED1 Power LED ...
Страница 208: ...Appendix A 198 ...
Страница 216: ...206 Appendix B ...
Страница 218: ...208 Appendix C ...
Страница 222: ...212 ...