Personal Computer Hardware Maintenance Service Guide

(continued)
004 (continued)
Replace the monitor.
005
Check the monitor I/O signal cable. Replace if defective.
– or –
Replace the system board.
006
(From step 002)
– Power-off the system unit and monitor.
– Unplug the monitor I/O signal cable from the system unit.
– Power-on the system unit and monitor.
DOES THE SCREEN CHANGE FROM BLACK (WITH MONITOR
POWER-OFF) TO THE APPROPRIATE RASTER OR WHITE SCREEN AS
DESCRIBED IN THE DISPLAY SELF TEST?
Yes No
007
– Replace the monitor.
008
– Power-off the system unit.
– Reconnect any disconnected cables.
– Power-on the system unit.
IS THE SCREEN READABLE?
Note: If the screen shows a blinking cursor with no memory count running,
answer this question “No.”
Yes No
009
– Replace the system board
010
– Press Esc.
– Select Diagnostics from the Main Menu.
– Select Interactive Tests from the menu.
– Select Video from the menu.
(Step 010 continues)
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