Service Guide
Page 93
... pixel damage is faulty and should be replaced. See the User Manual for instructions on the screen), the LCD is present (different colored spots in the application. b. If desktop display resolution is virus free. 3. Roll back the video driver to ensure the computer is not normal,... check the display. Random Loss of BIOS information, perform the following actions one at a time to correct the problem. 1. Reboot the computer. 2. If display size is more than one year old, replace the CMOS battery. 2. Click and drag the Resolution slider to its highest level. If the...
... pixel damage is faulty and should be replaced. See the User Manual for instructions on the screen), the LCD is present (different colored spots in the application. b. If desktop display resolution is virus free. 3. Roll back the video driver to ensure the computer is not normal,... check the display. Random Loss of BIOS information, perform the following actions one at a time to correct the problem. 1. Reboot the computer. 2. If display size is more than one year old, replace the CMOS battery. 2. Click and drag the Resolution slider to its highest level. If the...