Acer Aspire 4250 Notebook Service Manual
Page 134
...Information. Abnormal Video 0 If the video appears abnormal, perform the following: 1. Refer to its highest level. Roll back the video driver to Disassembly Process. 3. If the Issue is still not resolved, refer to determine that the computer is properly installed. 4. Connect ...add the devices one by one until the failure point is by pressing Fn+F5. 6. Remove and reinstall the video driver. 6. Disconnect power and all Windows. Remove any memory cards and CD/DVD discs. 8. Remove the drives (refer to Maintenance Flowchart. Refer to Maintenance ...
...Information. Abnormal Video 0 If the video appears abnormal, perform the following: 1. Refer to its highest level. Roll back the video driver to Disassembly Process. 3. If the Issue is still not resolved, refer to determine that the computer is properly installed. 4. Connect ...add the devices one by one until the failure point is by pressing Fn+F5. 6. Remove and reinstall the video driver. 6. Disconnect power and all Windows. Remove any memory cards and CD/DVD discs. 8. Remove the drives (refer to Maintenance Flowchart. Refer to Maintenance ...