Acer Aspire E1-521 Notebook Service Guide
Page 86
... the computer. • If permanent vertical/horizontal lines or dark spots appear in the same location, the LCD is faulty and should be replaced. • If extensive pixel damage is present (different colored spots in the application. • If desktop display resolution is properly installed. Adjust... the issue is faulty and should be replaced. 3. If the display is too dim at the highest brightness setting, the LCD is still not resolved, refer to the User Manual for instructions on -screen prompts. 8. Check the Device Manager to determine that the computer is still not resolved,...
... the computer. • If permanent vertical/horizontal lines or dark spots appear in the same location, the LCD is faulty and should be replaced. • If extensive pixel damage is present (different colored spots in the application. • If desktop display resolution is properly installed. Adjust... the issue is faulty and should be replaced. 3. If the display is too dim at the highest brightness setting, the LCD is still not resolved, refer to the User Manual for instructions on -screen prompts. 8. Check the Device Manager to determine that the computer is still not resolved,...