Acer Aspire 4250 Notebook Service Manual
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... resolution. Remove and reinstall the video driver. 6. Remove any memory cards and CD/DVD discs. 8. Boot the computer. If the display is too dim at the highest brightness setting, the LCD is faulty and should be replaced. Run the Windows Memory Diagnostic from the operating system DVD...video appears abnormal, perform the following: 1. 4. Click and drag the Resolution slider to the previous version if updated. 5. Disconnect power and all Windows. If the Issue is listed under Other Devices 7. There are no red Xs or yellow exclamation marks There are no device conflicts No hardware ...
... resolution. Remove and reinstall the video driver. 6. Remove any memory cards and CD/DVD discs. 8. Boot the computer. If the display is too dim at the highest brightness setting, the LCD is faulty and should be replaced. Run the Windows Memory Diagnostic from the operating system DVD...video appears abnormal, perform the following: 1. 4. Click and drag the Resolution slider to the previous version if updated. 5. Disconnect power and all Windows. If the Issue is listed under Other Devices 7. There are no red Xs or yellow exclamation marks There are no device conflicts No hardware ...