3 Tests and Diagnostics
3-22
[CONFIDENTIAL] dynabook PORTEGE A30-E/TECRA A30-G,-J/dynabook S Series Maintenance Manual (960-931)
3.13 LCD Gamma correction
To execute the LCD Gamma Correction Utility, select 7 from the test program menu (Top
Menu), press Enter and follow the directions on the screen.
NOTE: After replacing the system board, be sure to execute this program.
The following message will appear. Press Y.
* Restart system and Start utility *
* Are you sure? (y/n) *
The PC will restart. Press F12 and select the USB memory as the boot device. Then the
following screen will appear and the correction is done automatically.
If this program ends successfully, “PASS” is displayed.
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