4-8
Troubleshooting
Internal Speaker Failure
0
If internal Speakers fail, perform the following, one at a time. Do not replace a non-defective FRU:
Figure 4-6.
Internal Speaker Failure
Sound Problems
0
Perform the following, one at a time.
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
NG
NG
Swap MB
Reassemble the
SPK cable to MB
Swap Logic
Lower/Logic
Upper
Check Logic
Lower/Upper
Check MB
SPK cable
Summary of Contents for Aspire 3750
Page 1: ...Acer AS3750 AS3750G SERVICEGUIDE ...
Page 4: ...iv ...
Page 40: ...1 36 Hardware Specifications and Configurations ...
Page 57: ...System Utilities 2 17 Figure 2 19 Unlock Password ...
Page 75: ...3 15 Figure 3 24 Memory Module Figure 3 25 Memory Module ...
Page 79: ...3 19 ...
Page 83: ...3 23 Top case disassembly M2 5 3 5L 3 Table 3 1 Step Screw Quantity Screw Type ...
Page 87: ...3 27 2 Disconnect the RTC BATTERY cable then take the battery away Figure 3 45 RTC BATTERY ...
Page 94: ...3 34 Figure 3 58 LCD Module ...
Page 98: ...3 38 Figure 3 65 LCD Panel ...
Page 101: ...3 41 Figure 3 70 Hinge ...
Page 103: ...3 43 Figure 3 73 CPU Module Figure 3 74 CPU Module ...
Page 105: ...3 45 Figure 3 77 Main board Figure 3 78 Main board ...
Page 108: ...3 48 Figure 3 83 Blue tooth Module Figure 3 84 Blue tooth Module ...
Page 112: ...3 52 Figure 3 91 Top case Figure 3 92 Top case ...
Page 115: ...3 55 Figure 3 97 Memory Figure 3 98 Memory ...
Page 163: ...FRU Field Replaceable Unit List 6 9 ...
Page 192: ...6 38 FRU Field Replaceable Unit List ...
Page 268: ...7 76 Model Definition and Configuration ...
Page 272: ...8 4 Test Compatible Components ...