Please help to see a display problem

Users questions: I bought a Samsung 08 monitor, some time ago I opened the host, turn on the monitor, but the host to open a long time, the display is not open, but the blue lights flash for a display on the open, then everything is normal, I did not when the return thing, after more than a month it yesterday to die, life and death open display I tried to get under someone else's machine is useless, but is certain that the host is good, because people display on my computer useful, please help to see where the bad, about how much money? Please sharply! !
Experts answer: This estimate is a display hardware problem it is recommended to repair what LZ, probably How much is not very clear, do not know Paul has not been LZ
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