keep geting no signal

June 1, 2012 at 04:37:47
Specs: Windows 7
why does my pc say no signal after 30 mins of being turned on works al fine am runing frew a hdmi port like i says it all works then screen just gose black with no signal

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June 1, 2012 at 05:12:03
Please list your complete systems specs in detail. Include the power supply specs & the CPU temp.

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June 3, 2012 at 07:19:18
dont have a clue its just been changed from xp to win 7 screen works for about 30 min then gose black with no signal and it not going to sleep a changed so it never dose also when i restart / power off n bk on it just keeps saying no signal for few houres

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