8
Troubleshooting
1.2.2 Incorrect Color
START
DISPLAY THE CIRCLE−CROSSHATCH SCREEN
THE
SCREEN MUST
MISSING
A COLOR
BE WHITE. IS THE
VERIFY THAT THE PROBLEM IS NOT EXTERNAL
1. CHECK THE VIDEO CABLE FOR A GOOD CONNECTION
2. RUN THE GRAPHICS DIAGNOSTICS IN THE SYSTEM
3. DISPLAY THE COLOR BAR PATTERN
4. SWAP THE RED AND BLUE CABLES AND SEE IF
IMAGE MISSING ANY COLOR
THE MISSING COLOR CHANGES −− IF SO, THEN
REPLACE THE VIDEO CABLE
SATURATION
BY A COLOR
WAS THE
YES
PROBLEM EXTERNAL
STOP
TO THE
MONITOR
NO
THE SCREEN
YES
STILL SATURATED
REPLACE THE A BOARD (3.7)
PERFORM THE A BOARD
ADJUSTMENTS (2.3)
SCREEN STILL
SATURATED OR STILL
COLOR
REPLACE THE WHOLE MONITOR
SECTION NUMBERS ARE IN PARENTHESES.
BY A
COLOR
IS
BY A COLOR
OR IS IT SATURATED
NO
NO
MISSING A
IS THE
YES
STOP
PERFORM THE
A BOARD
ADJUSTMENTS (2.3)