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Old 29-12-12, 01:59   #1
TRfan23
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Unhappy PC refuses to boot entirely, after cleaning it out completely.

Okay, so I did a complete clean to my PC just now, took me a good 2 hours

But when I turn it on, it refuses to boot at all. All that happens is it turns on with all the Phase LEDs on the mobo and all fans spinning, then it turns off. This is happening in a Loop.

It refuses to boot at all, it doesn't even get to BIOS


When I say completely I mean to go as far as taking the Cases fans out and dusting them...

Last edited by TRfan23; 30-12-12 at 11:21.
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Old 29-12-12, 05:31   #2
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Check all the connections, especially CPU and RAM modules, CPU heatsink to be tightly in place and GPU properly set and given supplementary power (if necessary).
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Old 29-12-12, 11:21   #3
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They are all definitely seated tightly in place, I've done many checks :/

I should probably also add that I used these to dust it, since I don't have any compressed air (should have bought some tbh, don't know why I didn't)

I was sure they were anti-static...

Last edited by TRfan23; 29-12-12 at 16:38.
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Old 29-12-12, 15:18   #4
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Flush BIOS settings via the jumper on the mobo (RTFM), then try entering BIOS setup again.
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Old 29-12-12, 16:17   #5
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Nope didn't do anything.

It just turns on and then quickly turns off again before I can do anything at all. The mobo doesn't beep.
It's like its in a continuous infinite reboot loop

Last edited by TRfan23; 29-12-12 at 17:07.
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Old 29-12-12, 16:21   #6
Zelda master
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This sounds familiar, make sure that the power button aint broken/stuck, it's the most stupid reason a PC might go bad but it was the reason mine started acting up about two month ago. When you confirmed that the button works the way it should (mine was stuck pressed inward so Automatic Start and Shut Down on infinate loop), try checking the frontpanel cable on the motherboard, from what I've experience that's also usually the problem it shuts down for no reason
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Old 29-12-12, 18:10   #7
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^ I can guarantee you that the power button is fine


Okay so the PSU is fine as I followed this:

http://www.corsair.com/en/blog/testi...r-power-supply

The graphics card is fine as I tested it whilst it was out, and it did the same thing.

I've disconnected the Blu-ray drive, HDD & SSD.

All I can think of is there being a problem with either the:

CPU (I never took this out or removed the Heatsink, so this could be ruled out.)
RAM
Motherboard


Decided to take a video of what happens:

http://www.youtube.com/watch?v=nbYMJNzrxII
Crap camera so bad quality.

Last edited by TRfan23; 29-12-12 at 18:27.
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Old 30-12-12, 02:53   #8
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When my computer did that; it was a USB in the drive. Is there a flash drive connected?
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Old 30-12-12, 03:52   #9
Sgt BOMBULOUS
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Have you tried booting with no RAM, no GPU, and no HDD's attached?
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Old 30-12-12, 11:18   #10
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Yes I have and it still refuses to boot.

So it boils down to the Mobo or the CPU now.

It does make me wonder, if any dust somehow got stuck between the heatsink and CPU, could that fry it?

Quote:
Originally Posted by RunrigNutter View Post
When my computer did that; it was a USB in the drive. Is there a flash drive connected?
No just the HDMI Cable to my monitor.

Last edited by TRfan23; 30-12-12 at 11:25.
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