3 Tests and Diagnostics
NOTE: The above figure has three compartments although the Touch Pad installed may
only have two buttons. In this case, the central compartment in the figure does not
correspond to any button.
3.11 LCD Pixels Mode Test This LCD pixels mode test checks whether video display is fine.
This test includes two modes of the test:
1. Text Mode
- including 40*25 (16 colors) and 80*25 (2/16colors) and 320*200(4/16 colors)
and 640*200(2/16 colors) and 640*480(2/16 colors) and 640*350(4 colors)
2. VGA Mode
- including 320*200 (256 colors) and 640*480 (256 colors).800*600(256
colors).1024*768(256 colors)
The screen should display as below, indicating whether the test is passed or failed after the
question
Satellite L670/L675 / Pro L670 Series Maintenance Manual
[CONFIDENTIAL]