3 Tests and Diagnostics
3.7 Display Test
3-20
PORTEGE A100 Maintenance Manual (960-460)
3.7 Display Test
To execute the Display Test, select
4-DISPLAY TEST
from the DIAGNOSTIC TEST MENU,
press
Enter
and follow the directions on the screen. The Display test contains eight subtests that
test the display in various modes. Move the highlight bar to the subtest you want to execute and
press
Enter
.
Subtest 01
VRAM Read/Write for VGA
This subtest writes the constant data (AAh and 55h) and the address data to the
video RAM (16MB). The data is read and compared to the original data.
Subtest 02
Gradation for VGA
This subtest displays four colors: red, green, blue and white from left to right across
the screen from black to maximum brightness. The display below appears on the
screen when this subtest is executed.
To exit this subtest and return to the DISPLAY TEST menu, press
Enter
.
Subtest 03
Gradation for LCD
This subtest displays bands of gradations for mixed colors, then for red, green, and
blue. Next, it displays eight solid colors full screen: red, semi-red, green, semi-
green, blue, semi-blue, white, and semi-white. Each color displays for three
seconds.
Summary of Contents for A100 VA3 - Satellite - Pentium Dual Core 1.6 GHz
Page 10: ...Chapter 1 Hardware Overview ...
Page 11: ...1 Hardware Overview 1 ii PORTEGE A100 Maintenance Manual 960 460 1 Hardware Overview ...
Page 36: ...Chapter 2 Troubleshooting Procedures ...
Page 37: ...2 Troubleshooting Procedures 2 ii PORTEGE A100 Maintenance Manual 960 460 2 ...
Page 41: ...2 Troubleshooting Procedures 2 vi PORTEGE A100 Maintenance Manual 960 460 ...
Page 96: ...Chapter 3 Tests and Diagnostics ...
Page 97: ...3 Tests and Diagnostics 3 ii PORTEGE A100 Maintenance Manual 960 460 3 ...
Page 112: ...3 4 System Test 3 Tests and Diagnostics PORTEGE A100 Maintenance Manual 960 460 3 13 ...
Page 182: ...Chapter 4 Replacement Procedures ...
Page 183: ...4 Replacement Procedures 4 ii PORTEGE A100 Maintenance Manual 960 460 4 ...
Page 249: ...4 Replacement Procedures 4 25 Fluorescent lamp 4 62 PORTEGE A100 Maintenance Manual 960 460 ...
Page 265: ...Appendices ...
Page 266: ...Appendices App ii PORTEGE A100 Maintenance Manual 960 460 ...
Page 272: ...Appendices App viii PORTEGE A100 Maintenance Manual 960 460 ...
Page 278: ...Appendices Apx A Handling the LCD Module A 6 PORTEGE A100 Maintenance Manual 960 460 ...
Page 316: ...Appendices Apx E Key Layout E 2 PORTEGE A100 Maintenance Manual 960 460 ...
Page 318: ...Appendices Apx F BIOS KBC EC Update F 2 PORTEGE A100 Maintenance Manual 960 460 ...
Page 320: ...Appendices Apx G Reliability G 2 PORTEGE A100 Maintenance Manual 960 460 ...
Page 322: ...Appendices Apx H Key FD H 2 PORTEGE A100 Maintenance Manual 960 460 ...