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LCD Monitor blackens out appox 5 min after start-up. changing graphics card, re-installing driver, did not help

Last response: in Windows 7
a b U Graphics card
a b $ Windows 7
November 5, 2013 6:29:37 AM

Try to get hold of a different monitor for testing purposes. If the new/different monitor works okay without blacking out, your original monitor is faulty.