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After dusting out, computer powers on for 5 sec, ten turns of, then on/off repeateadly

Last response: in Systems
August 24, 2013 10:38:17 AM

As the title says, the computer will turn on for about 5 seconds then turn itself off then back on to only turn itself off/on again at the same rate.

I really doubt any components are faulty since this isn't a new build and it only occurred after blowing dust out of it which I regularly do. Already checked loose connections and reseated most of the components and nothing seems to make a difference.

Not sure if specs matter but:
8gb ram
corsair tx650
xfx hd7950

Best solution

August 24, 2013 11:05:26 AM

1. It used to work
2. You opened it up to clean it
3. Now it doesn't work.

Something is disconnected, even just a little bit. Check ALL of the connections. Not just look at them, Disconnect and reconnect.
Or something got zapped by static elec. (unlikely).
August 24, 2013 12:29:45 PM

exactly my line of thinking actually. just wanted to see if anyone had any other ideas before i reseated every connection for the 20th time.....which in fact i did and that seems to have resolved this.