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No display, 1 long beep followed by another short beep.

Last response: in Graphics & Displays
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March 14, 2014 1:44:00 PM

Today my computer turned off unexpectedly like as if it experienced a power cut - just turned straight off, I then turned it back on and no display was on my screen, I tried swapping HDMI cables but that didn't work and now when I start it back up it has a long beep followed by a short one. Does anyone have any ideas in how to fix this?

Thanks

March 14, 2014 1:57:23 PM

You probably have a bad Ram module.
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March 14, 2014 1:57:49 PM

It sounds like the PSU is done.
Check all of your power connectors for any burnt, or if you can smell anything.
Unplug everything besides CPU and ATX power connectors and try to boot.
Swap a different PSU in there to test, grab one from a local electronic store if there is none.
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March 15, 2014 5:04:51 AM

Thanks for the responses, is there a video how I can check both of those? I'm pretty sure there's no burnt cables but it was quite dusty could that be part of the problem?

Thanks
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March 15, 2014 7:21:19 AM

First you could just open the case and take out each individual Ram module, and try running the PC with just one install. If one doesn't work remove it and try the other one. If you have no success with that you can try and do the paper clip test on your power supply, as demonstrated in this video.
http://www.youtube.com/watch?v=khpnx21oydg
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March 15, 2014 11:08:42 AM

Do what swilczak said.

Dust could be an issue, it does not only limit the heat exhaust from the GPU or motherboard, it also has the potential to short out components. Therefore I recommend that you clean your PC out very thoroughly, and check burnt mark by smelling the PSU and check on all the power ports on the motherboard for black/brown marks.
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