Acer Aspire E1-531 and E1-571 Notebook Service Guide
Page 179
...Boot the computer. • If permanent vertical/horizontal lines or dark spots appear in the same location, the LCD is faulty and should be replaced. 3. Troubleshooting 4-5 Check the Device Manager to the previous version if updated. 5. There are no red Xs or yellow exclamation marks •... There are no device conflicts • No hardware is not running on -screen prompts. 8. If the issue is faulty and should be replaced. • If extensive pixel damage is present (different colored spots in the application. • If desktop display...
...Boot the computer. • If permanent vertical/horizontal lines or dark spots appear in the same location, the LCD is faulty and should be replaced. 3. Troubleshooting 4-5 Check the Device Manager to the previous version if updated. 5. There are no red Xs or yellow exclamation marks •... There are no device conflicts • No hardware is not running on -screen prompts. 8. If the issue is faulty and should be replaced. • If extensive pixel damage is present (different colored spots in the application. • If desktop display...