Acer Aspire 4250 Notebook Service Manual
Page 134
...display is too dim at the highest brightness setting, the LCD is faulty and should be replaced. Check the Device Manager to Disassembly Process. Run the Windows Memory Diagnostic from the operating system DVD and follow the on adjusting the settings. Refer to determine that...external display is not normal, right-click on battery alone as this may reduce display brightness. 2. Click and drag the Resolution slider to Disassembly Process. 3. Remove and reinstall the video driver. 6. Disconnect power and all Windows. If the computer boots correctly, add the devices one...
...display is too dim at the highest brightness setting, the LCD is faulty and should be replaced. Check the Device Manager to Disassembly Process. Run the Windows Memory Diagnostic from the operating system DVD and follow the on adjusting the settings. Refer to determine that...external display is not normal, right-click on battery alone as this may reduce display brightness. 2. Click and drag the Resolution slider to Disassembly Process. 3. Remove and reinstall the video driver. 6. Disconnect power and all Windows. If the computer boots correctly, add the devices one...