Acer Aspire V3-571 and V3-571G Notebook Service Guide
Page 57
... be performed by one before BIOS Flash utility is used . See Creating a USB Flash Crisis Disk on page 2-25. • Do not install memory related drivers (XMS, EMS, DPMI) when BIOS Flash is used • Use an AC adaptor power supply when running BIOS Flash utility. Use the Flash utility to...
... be performed by one before BIOS Flash utility is used . See Creating a USB Flash Crisis Disk on page 2-25. • Do not install memory related drivers (XMS, EMS, DPMI) when BIOS Flash is used • Use an AC adaptor power supply when running BIOS Flash utility. Use the Flash utility to...
Acer Aspire V3-571 and V3-571G Notebook Service Guide
Page 183
...is too dim at the highest brightness setting, the LCD is not normal, right-click on adjusting the settings. Roll back the video driver to its highest level. 11. Check the display resolution is correctly configured: • Minimize or close all Windows. • If display .../ mouse wheel zoom feature in the application. • If desktop display resolution is faulty and should be replaced. Remove and reinstall the video driver. 6. Boot the computer. • If permanent vertical/horizontal lines or dark spots appear in the same locations on page 8-2. 4-5 Troubleshooting Refer...
...is too dim at the highest brightness setting, the LCD is not normal, right-click on adjusting the settings. Roll back the video driver to its highest level. 11. Check the display resolution is correctly configured: • Minimize or close all Windows. • If display .../ mouse wheel zoom feature in the application. • If desktop display resolution is faulty and should be replaced. Remove and reinstall the video driver. 6. Boot the computer. • If permanent vertical/horizontal lines or dark spots appear in the same locations on page 8-2. 4-5 Troubleshooting Refer...
Acer Aspire V3-571 and V3-571G Notebook Service Guide
Page 187
Boot the computer. 2. Check the Device Manager to M/B Check Logic lower OK Swap M/B NG Swap Logic lower Figure 4:6. Remove and reinstall the audio driver. 5. Internal Speaker Failure If the internal speakers fail, perform the following : 1. Confirm that the volume is listed under Other Devices 3. Make sure that other audio ...: • Click the volume icon on the taskbar • Drag the slider to 50 and not muted. 4-9 Troubleshooting If updated recently, roll back the audio driver to Start > Control Panel > System and Maintenance > System > Device Manager.
Boot the computer. 2. Check the Device Manager to M/B Check Logic lower OK Swap M/B NG Swap Logic lower Figure 4:6. Remove and reinstall the audio driver. 5. Internal Speaker Failure If the internal speakers fail, perform the following : 1. Confirm that the volume is listed under Other Devices 3. Make sure that other audio ...: • Click the volume icon on the taskbar • Drag the slider to 50 and not muted. 4-9 Troubleshooting If updated recently, roll back the audio driver to Start > Control Panel > System and Maintenance > System > Device Manager.