You can select the individual checks from this menu:

MONOCHROME ADAPTER AND CRT CHECK MENU1 - Monochrome adapter check2 - Attribute check3 - Character set check4- Video check5- Sync check6- 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

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