Toshiba PORTEGE M400 - Manual (Page 145)

3.10 Display Test 3 Tests and Diagnostics
Subtest 04 Gradation & Mode test for VGA
This subtest displays gradations for following modes. To change the mode,
press Enter.
[Mode 12]
[Mode 13]
[Mode 3]
[Mode 111 640*480 64K]
[Mode 112 640*480 16M]
[Mode 114 800*600 64K]
[Mode 115 800*600 16M]
[Mode 117 1024*768 64K]
[Mode 118 1024*768 16M]
The display below appears on the screen when this subtest is executed.
(Display example: Mode 12)
To exit this subtest and return to the DISPLAY TEST menu, press Enter after
displaying the Mode 118.
Subtest 05 All dot on/off for LCD
This subtest displays an all-white screen then an all-black screen. The display
changes automatically every three seconds, then returns to the DISPLAY
TEST menu.
PORTEGE M400 Maintenance Manual (960-541) [CONFIDENTIAL] 3-27