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Toshiba A20-S259 - Satellite - Pentium 4 2.66 GHz Maintenance Manual page 133

Maintenance manual
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Table of Contents

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3.7 Display Test
Pressing Enter changes the size of the displayed image.
Pressing Enter changes the size of the displayed image in the following order:
Mode 111
Mode 112
Mode 114
Mode 115
Mode 117
To exit this subtest and return to the DISPLAY TEST menu, press Ctrl + Break.
Subtest 05
All Dot On /Off for LCD
This subtest displays an all-white screen (all dots on) for three seconds then an all-
black screen (all dots off) for three seconds.
To exit this subtest and return to the DISPLAY TEST menu, press Ctrl + Break.
Satellite A20 Maintenance Manual (960-444)
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3 Tests and Diagnostics
3-21
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