benq fp767 backlight

[tattoum]

hi to all
i have a benq fp767 monitor that when i turn it on it works perfectly for 1 or 2 seconds then it becomes black and after some seconds it flashes for a 1 seccond then black again, and every timer i turn the monitor off then on it does the same thing. the green led is on and i can see the picture so its a backlight problem, i test the 4 c5707 and the 2fu9024n they are all ok. now i dont know what to do and what to check else please help me to repair it.
thanks to all helpers

[claybv]

Re: benq fp767 backlight

Check Your caps ,usually about 4 to 8 caps may need to be replace. cant give exact detail on your model but common issue with most LCD monitors. usually swollen and not.