BenQ BL2423PT Product Service Manual – Level Ii page 85

Color is not optimal
Replace the signal cable
Pull out the signal cable
and check the screen
color display is normal?
Replace the main board
Miss color
OK
NG
OK
Replace the signal cable or PC
NG
Color is not optimal
Reset the factory mode
In the user mode, set the" color
settings" until customer satisfy
The end
85
Color shift
NG
NG