If an error occurs during any of these tests, record the error code and message, or print them out. Then contact your dealer or Epson for customer service.

Color graphics adapter check

To check the color graphics adapter, press 1 and then Enter.

The computer checks the video RAM (display memory) on the display adapter by writing test data to memory, and then reading it back and comparing it to the written data. The computer also tests the video enable signal of the display controller chip.

Attribute check

To check the display attributes of the color graphics adapter card, press 2 and Enter.

Several messages appear showing examples of all the possible display attributes and colors. Check the information on your screen, and respond to the prompt:

Is the display correct (Y/N)?

Press Y and then Enter if the display is correct.

If the colors are not correct, adjust the controls on your display monitor. If they are still incorrect, press N and Enter.

Contact your dealer to verify any monitor problems.

Character set check

To check your 80-column character set, press 3 and Enter. The character fonts that are included in the internal character generator display on your screen. Compare your screen display to the following illustration.

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Diagnostics