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Tests and Diagnostics
PORTEGE M780 Maintenance Manual (960-809) [CONFIDENTIAL] 3-51
Subtest 6 Button
This subtest checks if the buttons in the following figure work properly.
The following message appears in the display.
Presses in the direction of 4 corner and the center
X 1 2 3 4 5
* * * * *
Press Function button!