IBM 5531 Operator's Manual page 77

Problem Determination Procedures
Test 500 - Color/Graphics Monitor Adapter
(continued)
6. Did the following appear on your screen with the correct colors?
Note:
Text in illustration is black for clarity.
YES -
Press Y; then press the Enter key. Proceed with Step 7.
NO - Press N; then press the Enter key. Record the error message, and have the system
unit serviced.
5-500-6
Operator's Guide