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Black screen Crash HELP

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  • Homebuilt
  • Crash
  • Systems
Last response: in Systems
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August 29, 2012 8:18:06 PM

Hello,my rig is this
Ati radeon 5870 1gb,Intel 2600k 3.4ghz,2x4 gb Corsair Vengeance DDR3,Z68x-UD4-B3
So,as i was saying(i got that crash while writing this) i have a probelm since i built it(it is not software related as i have formated my hd once)
at random times(playing,serfing,booting) the screen may go black and i will hear all the fans running at maximum.
This problem can be solved after i restart(power off-on) or after several restarts(as it iwill apear of the restart so i have to restart again)
sometimes i will hear a continuos beeep signaling Gpu failure.
So my question is : is it gpu ,psu or ram?
this probelm may have been fixed(don't know for sure,maybe coincidence) by medling with the cables in the case-or pushing in the slot the gpu or the ram:/
Any ideas?

More about : black screen crash

August 29, 2012 10:12:34 PM

edit:my PSu is thermaltake toughtpower 750W 5+yrs old
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August 30, 2012 3:38:07 AM

First, I would try a different PSU (borrow one from a friend if possible).
Second, I would check your RAM timings and make sure you are using a 2T command rate.
Third, reset your motherboard to factory defaults

My money is on the old PSU.
August 30, 2012 4:00:53 AM

What fans go full speed? only the ones plugged into the PSU directly? Or only the ones plugged into the mobo directly? does that include the gpu fans? It could be heat related is what I'm trying to get at.

For now there are a lot of things it could be, gotta narrow 'em down somehow.
August 30, 2012 4:17:14 AM

mouse24 said:
What fans go full speed? only the ones plugged into the PSU directly? Or only the ones plugged into the mobo directly? does that include the gpu fans? It could be heat related is what I'm trying to get at.

For now there are a lot of things it could be, gotta narrow 'em down somehow.


The fans are ramping up because the computer is POSTing; the same way they would if he first turned the computer on from being completely off. This is merely a random reboot with no blue screen which points directly to a hardware issue. Try the steps in my post above. If you can't test the PSU, try the RAM and motherboard. But, I listed them in the order of likelihood.
August 30, 2012 8:50:21 AM

The problem is that the crashes are Random,i may go with out them fora couple of months and then BOOM
More info to help you out help me :D : i hear no post sound when my pc boots(although i heard yesterday the continuous beep when it crashed)
And when i did the 6th month cleaning of the pc(plugged out gpu rams,change paste etc) i had this problem right away i would start the pc,i managed to solve it by pressing all the PSu calbes related to their corresponding cables(fan,mobo,etc)and generally making sure that everything was in the right place.....
a c 113 B Homebuilt system
August 30, 2012 9:00:04 AM

Did you go over the checklist? One of the items has to do with motherboard standoffs, for instance.

Maybe you need to carefully check things while the PC is running, perhaps you'll locate the bad connection.
August 30, 2012 9:36:31 AM

my thought was exactly that,a bad coonection or graphics card
i had in mind to replace my case as it doesn'r really faciliate me(bad airflow,liitle space,front hud sucks) i will also replace my psu with a corsair g650w.
i think that will solve the problem
nevertheless
please guys continue your brainstorming i REALLY appreciate the time you spend for solving my problem:) 
August 30, 2012 10:09:43 AM

also do you have any idea aboyt why i do not hear any post sound??(although my pc works fine and i will hear a constant beep sometimes when i crash
(my screen went black because tribes ascend just loaded and my heart litteraly stopped for a second):D 
August 30, 2012 12:59:54 PM

any idea why i hear no post sound but i pc works fine?
August 30, 2012 2:24:22 PM

I'm not worried about the POST beep. Try the 3 things I said in my post above and report back. If those dont work, go through Proxi's list next since its longer. There are a 100 reasons why your computer is doing what it is doing. But, it is all speculation until you start to troubleshoot based on our suggestions.
August 30, 2012 2:34:37 PM

this problem is random,even if i try other psu etc etc i won't know what will fix it as now it runs smoothly...:/
August 30, 2012 5:21:57 PM

Did you check your ram timings?
August 30, 2012 5:55:54 PM

i searched in google and i found that mine are T2 :D 
August 30, 2012 5:59:07 PM

edit:in cpu-z it says that my ram is in T1...why?
August 30, 2012 7:35:24 PM

Because that is your problem. Set your command rate to 2T in the BIOS. You won't randomly reboot anymore.
!