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You
can select the individual checks from this menu:
MONOCHROME ADAPTER AND CRT CHECK MENU
1 -
Monochrome adapter check
2
- Attribute check
3
- Character set check
4
- Video check
5-
Sync check
6
- Run all above checks
0
- Exit
Enter selection number:
If you run the monochrome adapter check multiple times,
this menu of checks does not appear and only the first test
(option 1) is performed.
If an error occurs during any of these tests, record the
error code
and message, or print them out. Then contact your Customer
Care Center.
When you finish running the monochrome adapter check, press
0 and Enter to return to the DEVICE LIST.
Monochrome Adapter Check
To check the monochrome adapter, press
1
and then Enter.
The computer checks the video RAM (display memory) on the
display adapter by writing certain data to memory, then reading
it back and comparing it to the written data. It also tests the
video enable signal of the display controller chip.
Performing System Diagnostics
D-11