Acer Aspire V3-771G Notebook Service Guide
Page 226
...installed There are no red X or yellow exclamation marks There are set mid range: Click the volume icon on the task bar Drag the slider to 50. Check the Device Manager to MB Check I/O Board Connection NG ... SPK module Check I /O Board Swap MB Swap MB Figure 4-6. Navigate to the previous version. 4. Confirm that the volume is listed under Other Devices 3. Internal Speaker Failure Sound Problems 0 Perform the following , one at a time. If updated recently, roll back the audio driver to Start ...
...installed There are no red X or yellow exclamation marks There are set mid range: Click the volume icon on the task bar Drag the slider to 50. Check the Device Manager to MB Check I/O Board Connection NG ... SPK module Check I /O Board Swap MB Swap MB Figure 4-6. Navigate to the previous version. 4. Confirm that the volume is listed under Other Devices 3. Internal Speaker Failure Sound Problems 0 Perform the following , one at a time. If updated recently, roll back the audio driver to Start ...