4-10
Troubleshooting
Internal Speaker Failure
0
If internal Speakers fail, perform the following:
Figure 1-6.
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.
6.
Navigate to Start
Control Panel
Hardware and Sound
Sound. Confirm that
Summary of Contents for Aspire M5-481PT
Page 1: ...Acer M5 481 481G 481T 481TG SERVICE GUIDE ...
Page 8: ...viii ...
Page 9: ...CHAPTER 1 Hardware Specifications ...
Page 10: ...1 2 ...
Page 54: ...1 44 Hardware Specifications and Configurations ...
Page 55: ...CHAPTER 2 System Utilities ...
Page 56: ...2 2 ...
Page 73: ...Acer M5 481 481G 481T 481TG System Utilities 2 19 Figure 2 19 InsydeFlash ...
Page 83: ...CHAPTER 3 Maintenance Procedures ...
Page 84: ...3 2 ...
Page 91: ...3 9 Figure 3 2 Lower Cover Cabling ID Size Quantity Screw Type A M2 5x5 0 15 ...
Page 95: ...3 13 ID Size Quantity Screw Type M2 5 x 1 x 7 Flat head 2 ...
Page 103: ...3 21 ID Size Quantity Screw Type M2 0 x 2 0 1 ...
Page 105: ...3 23 ID Size Quantity Screw Type M2 0 x 2 0 1 ...
Page 113: ...3 31 ID Size Quantity Screw Type A M2 0 x 2 0 2 B M2 0 x 2 0 2 ...
Page 116: ...3 34 Figure 3 2 Fan Thermal Assembly Removal ...
Page 118: ...3 36 ID Size Quantity Screw Type A M2 0 x 0 5 x 7 0 Flathead 3 B M2 0 x 0 5 x 7 0 Flathead 3 ...
Page 122: ...3 40 ID Size Quantity Screw Type A M2 0 x 0 5 x 7 0 flathead 2 ...
Page 132: ...3 50 ID Size Quantity Screw Type A M2 5x5 0 15 ...
Page 138: ...3 56 Figure 3 2 Audio Board Screws Removal ID Size Quantity Screw Type M2 0 x 3 0 2 ...
Page 143: ...3 61 ID Size Quantity Screw Type M2 0 x 2 0 1 ...
Page 148: ...3 66 Figure 3 3 MIC Cable Positioning ...
Page 153: ...3 71 Figure 3 2 Fan Thermal Screw Removal 1 3 2 4 5 6 ...
Page 159: ...3 77 Figure 3 3 LVDS Alignment ...
Page 162: ...3 80 ID Size Quantity Screw Type M2 5 x 3 0 3 ...
Page 166: ...CHAPTER 4 Troubleshooting ...
Page 167: ...4 2 ...
Page 188: ...CHAPTER 5 Jumper and Connector Locations ...
Page 189: ...5 2 ...
Page 191: ...5 4 ...
Page 192: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Page 193: ...6 2 ...
Page 206: ...CHAPTER 7 Model Definition and Configuration ...
Page 207: ...7 2 ...
Page 233: ...7 28 Model Definition and Configuration ...
Page 234: ...CHAPTER 8 Test Compatible Components ...
Page 235: ...8 2 ...
Page 243: ...8 10 Test Compatible Components ...
Page 244: ...CHAPTER 9 Online Support Information ...
Page 245: ...9 2 ...
Page 247: ...9 4 Online Support Information ...