Acer Aspire E1-531 and E1-571 Notebook Service Guide
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... to Online Support Information on page 3-4). 13. Abnormal Video If the video appears abnormal, perform the following: 1. Roll back the video driver to its highest level. Troubleshooting 4-5 11. If the issue is still not resolved, refer to Maintenance Flowchart on page 8-2. Adjust the ...brightness to the previous version if updated. 5. Check the display resolution is correctly configured: • Minimize or close all Windows. • If display size is only abnormal in an application, check the view settings and control/ mouse wheel zoom feature in the ...
... to Online Support Information on page 3-4). 13. Abnormal Video If the video appears abnormal, perform the following: 1. Roll back the video driver to its highest level. Troubleshooting 4-5 11. If the issue is still not resolved, refer to Maintenance Flowchart on page 8-2. Adjust the ...brightness to the previous version if updated. 5. Check the display resolution is correctly configured: • Minimize or close all Windows. • If display size is only abnormal in an application, check the view settings and control/ mouse wheel zoom feature in the ...