4-9
Troubleshooting
Internal Speaker Failure
If the internal speakers fail, perform the following:
Figure 4:6. Internal Speaker Failure
Sound Problems
0
Perform the following:
1.
Boot 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.
If updated recently, roll back the audio driver to the previous version.
4.
Remove and reinstall the audio driver.
5.
Make sure that all volume controls are set mid range:
•
Click the volume icon on the taskbar
•
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.
Start
Swap M/B
Check M/B
SPK cable
Check SPK
module whether
OK
Re-assemble the
SPK cable to M/B
OK
NG
Swap SPK
OK
OK
NG
Содержание AO756
Страница 1: ...AO756 V5 171 S E R V I C E G U I D E G U I D E ...
Страница 109: ...Service and Maintenance 5 14 Table 5 8 Base Door Screw Screw Name Screw Type Quantity M 2 0 x 6 0 1 ...
Страница 117: ...Service and Maintenance 5 22 4 Lift the fan by the fan cable to remove from its bay Figure 5 25 Removing the Fan ...
Страница 139: ...Service and Maintenance 5 44 4 Lift to remove the IO board from the lower case Figure 5 58 Removing the IO Board ...
Страница 147: ...Service and Maintenance 5 52 3 Lift to remove the left speaker Figure 5 70 Removing the Speakers 2 of 2 ...
Страница 151: ...Service and Maintenance 5 56 3 Lift to remove the keyboard Figure 5 76 Removing the Keyboard ...
Страница 160: ...5 65 Service and Maintenance Table 5 18 Thermal Module Screws Screw Name Screw Type Quantity M 2 0 x 3 0 4 ...
Страница 163: ...Service and Maintenance 5 68 5 Lift to remove the LCD module from the lower case Figure 5 94 Removing the LCD Module ...
Страница 170: ...5 75 Service and Maintenance 3 Lift to remove the LCD bezel Figure 5 104 Removing the LCD Bezel 3 of 3 ...
Страница 188: ...5 93 Service and Maintenance 3 Remove the main antenna from the LCD cover Figure 5 138 Removing the Main Antenna 3 of 3 ...
Страница 198: ...FRU Field Replaceable Unit List 6 6 Upper Case Assembly Figure 6 3 Upper Case Assembly Exploded Diagram 1 2 3 4 5 ...
Страница 200: ...FRU Field Replaceable Unit List 6 8 LCD Assembly Figure 6 4 LCD Assembly Exploded Diagram 1 2 3 4 5 8 9 6 7 ...
Страница 212: ...CHAPTER 7 Test Compatible Components Test Compatible Components 7 2 Microsoft Windows 7 Environment Test 7 2 ...
Страница 217: ...CHAPTER 8 Online Support Information Online Support Information 8 2 Introduction 8 2 ...
Страница 219: ......