Service Guide
Page 93
Adjust the brightness to the previous version if updated. 7. Minimize or close all Windows. e. Remove and reinstall the video driver. 8. If the BIOS settings are no device conflicts. • No hardware is faulty and should be replaced. If the Issue .... 6. See "Disassembly Process" on page 161. See "Disassembly Process" on page 34. 5. See "Disassembly Process" on page 34. 4. d. Roll back the video driver to its highest level. If the computer is faulty and should be replaced. Reboot the computer. 2. If permanent vertical/horizontal lines or dark spots display...
Adjust the brightness to the previous version if updated. 7. Minimize or close all Windows. e. Remove and reinstall the video driver. 8. If the BIOS settings are no device conflicts. • No hardware is faulty and should be replaced. If the Issue .... 6. See "Disassembly Process" on page 161. See "Disassembly Process" on page 34. 5. See "Disassembly Process" on page 34. 4. d. Roll back the video driver to its highest level. If the computer is faulty and should be replaced. Reboot the computer. 2. If permanent vertical/horizontal lines or dark spots display...