Display has been flashing, ah help Big Brother Big Sister

Users questions: SONY monitor my house is 4 years ago do not know why the flash is very powerful, that is, one black and one black, like the press INPUT key has been as good or bad time, full-screen black, cable no problem, no problem hosting, graphics no problem, in the end is going wrong? ? To how to do ah, i was vomiting blood of the gas , We quickly me a big favor, do not copy grateful ~~~~~~ ah ah ~~~~~~~~ help me if not resolution, I can not change the display resolution the monitor can only be 60hz
Experts answer: aging power adapter, for a like, and I was the same problem, After repeated testing is the reason the adapter, bought new, now well, an adapter 40 dollars (including postage)
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