Toshiba Tecra A2-S239 Maintenance Manual - Page 129
Enter, Display Test, Tests and Diagnostics, Display example: Mode 12
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3.8 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 [Mode 112 [Mode 114 [Mode 115 [Mode 117 640*480 64K] 640*480 16M] 800*600 64K] 800*600 16M] 1024*768 64K] The display below appears on the screen when this subtest is executed. Subtest 05 (Display example: Mode 12) To exit this subtest and return to the DISPLAY TEST menu, press Enter. All Dot On /Off for LCD This subtest displays an all-white screen (all dots on) then an all-black screen (all dots off). The display changes automatically every three seconds and returns to the DISPLAY TEST menu. Satellite A50/TECRA A2 Maintenance Manual (960-478) 3-21