Acer TravelMate 8481T Acer TravelMate 8481, 8481T, 8481TG Notebook Service Gui - Page 130

Internal Speaker Failure 0 If internal Speakers fail, perform the following: Start OK Check M/B SPK cable OK Check Logic upper OK Swap M/B NG Re-assemble the SPK cable to M/B NG Swap Logic upper 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. 4-10 Troubleshooting