Acer V3-551 and 551G Notebook Service Guide
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...set to M/B Check Logic lower OK Swap M/B NG Swap Logic lower Figure 4:6. Remove and reinstall the audio driver. 5. Confirm that the volume is listed under Other Devices 3. Navigate to the previous version. 4. Troubleshooting 4-9 If updated recently, roll... back the audio driver to Start > Control Panel > System and Maintenance > System > Device Manager. Internal Speaker Failure If the internal speakers fail, perform the following : 1. Boot the computer. 2. Internal Speaker Failure Sound Problems 0 Perform the following : Start OK Check...
...set to M/B Check Logic lower OK Swap M/B NG Swap Logic lower Figure 4:6. Remove and reinstall the audio driver. 5. Confirm that the volume is listed under Other Devices 3. Navigate to the previous version. 4. Troubleshooting 4-9 If updated recently, roll... back the audio driver to Start > Control Panel > System and Maintenance > System > Device Manager. Internal Speaker Failure If the internal speakers fail, perform the following : 1. Boot the computer. 2. Internal Speaker Failure Sound Problems 0 Perform the following : Start OK Check...