iMac late 2009 screen problem
Hello,
My iMac screen goes black when i increase the brightness and working normally in the background.
Is it the lcd inverter that causes this problem?
iMac, Mac OS X (10.6.7)
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We cannot accurately diagnose hardware problems on a forum, however before assuming it is hardware do basic resets. Reset the NVRAM and restart in SAFE mode first. If those fail, take the computer to your local independent Apple Authorized Service Provider to be professionally diagnose.