Screen randomly goes black 27" iMac late 2009
I have a late 2009 iMac 27"
I have been experiencing a random black screen I have already done a bit research to find a fix for the issue.
- I have done the PRAM reset but no luck.
- I have also done the torch test and I can see the screen in the background, so can I presume it's not the logic board?
I have seen a lot of talk about replacing the inverter board is this something that can be replaced easily? And does anyone know where I can purchase one within the UK.
Any helpful advice would be gratefully appreciated.
PS: I'm doing a test on the brightness currently running at 4 to see if it goes off.
Ok I thought I would post this as it's been over 2 months now,
I tried almost everything from changing the backlight and the connector to the backlight, upgrading to latest system software to cleaning the inside with air can and numerous old wive tales like changing the keyboard.
The thing that fixed it was TG Pro!
I don't understand why as I was running smcFanCntrol at the time? The only thing I do see in TG Pro pop up it states turning the computer off for a while will cool the computer this happens every time it the heatsink get's to 80 c. I have been running this software for 2 months now with no screen black out.
I am not saying this will fix all black out screens, it fixed mine and saved my investing in a new screen.
Hope this helps!
Is this a good question?