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PC shutdowns randomly


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#1 Apocalypthus

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Posted 23 March 2015 - 03:18 PM

Hi!
 
I'm using google translator because I do not speak English , I apologize if something is not understood correctly.
 
I come to ask your help with a problem that is presenting my pc , looking for guidance and a solution to the problem, first here I leave the specs of the pc:
 
Motherboard: Asus RoG Crosshair V Formula.
Ram: 16GB G.Skilll @ 1600 Mhz (capacidad máxima 2133mhz).
CPU: AMD Fx 8350 8 cores 4.01 Ghz
HDD: 1Tb Western Digital @ 7200 rpm.
SSD: Kingston HyperX 3K 120 GB SATA III
VGA: Zotac GeForce GTX 970 AMP! Extreme 4 GB
Cooling system: CM Seidon 120M
PSU: Corsair Enthusiast Series TX 750 Watt ATX/EPS 80 PLUS Bronze
x3 aditional fans for the case.
Windows 7 Ultimate SP1 x 64bits
 
Well the problem is that the pc shuts off randomly, sometimes without even moving from bios, sometimes when it comes to windows, and sometimes I use it for 10 minutes to 1 hour until it reaches off.
Sometimes it shuts down and restarts itself, and when it is off about 3-5 times in a row (without leaving one off while), it turns off and check the cpu red LED light and I disconnect everything from the motherboard (the processor to remove it socket) for the pc restart normally.
 
I can safely say that is not elevated temperatures, since I've been monitoring for several days temperatures (with HWmonitor) and everything is within range, the cpu at 30-40 °, video cards 30-60 °, and everything else equal standard.
 
It is normal that when you touch the cabinet, you get a small electric shock?
 
PS: I'm currently testing the motherboard out of the cabinet, connecting only one graph, 2 dual channel ram, processor and hard drives and in the same way off.
Following that remove the SSD and the HDD and just let him try to install the operating system from a USB HDD, and to my surprise the installation of windows stay at 1% and hence did not pass.
After that I proceeded to turn the pc, change the SATA cable with a new one, and tried to reinstall windows, and in less than 20 mins had the windows operating only in the hdd, install a driver update video, and ran wow, and more pc does not turn off for about 30 mins. (Was the maximum time I could try since I had to shut down because they had to go to work).
 
 
In short it is more than that, I hope any help you can give me, I would be very grateful!
 
Edit1: Just try this guide, and everything worked perfectly . http://www.corsair.com/en-us/support...power-supplies
 
Edit2: Yesterday also gave me a problem with the ssd , which recognized it as if it were a traveler data ( gave me the option to remove him as if he were a usb)
 
Edit3: The problem is spending more than a month ago, but was absent just over two weeks ago , then last week I was checking my facebook, and pc is turned off but not restart as it always does , and marked red light cpu , anyway , I proceeded to remove the power outlet, and remove two slots of ram memories, then I started my computer and worked normally for two hours, but when turned off, stayed on the screen oFF about 20 minutes, so I had to turn it off by force.
I have not used more since then.

Edited by hamluis, 23 March 2015 - 04:45 PM.
Moved from Win 7 to Internal Hardware - Hamluis.


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#2 illestrate

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Posted 23 March 2015 - 07:06 PM

Go with the easy stuff first buddy, check the PSU with a known good one , RAM you know.  You said you got shocked?  Maybe something is not properly grounded check to make sure you have all the proper standoff screws installed (the ones that go under your motherboard where it attaches to the Case..  I am sure your using a surge protector so check if the power coming from your wall outlet is clean.  It helps to have a multi-meter. A lot of factors can come into play so just start by doing the elimination process.  I hardly see Processor failures tho its still plausible but what I am thinking is worst case scenario = bad motherboard that you'll have to replace.  What are you usually doing on your computer when it turns off are you playing games?  Browsing internet?  Temperature of CPU / Graphics under load?  Check and recheck your connectors are all properly connected.  Get back to us bro!  Try install Windows one at a time to each drive does it encounter same problems?


Edited by illestrate, 23 March 2015 - 07:07 PM.


#3 arena leo

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Posted 24 March 2015 - 02:24 AM

Have you check your CPU temperature?could be the problem of thermal shut-down . 



#4 Apocalypthus

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Posted 24 March 2015 - 09:30 AM

Have you check your CPU temperature?could be the problem of thermal shut-down . 

I checked it multiple times, is not the cpu or overheat problems of any part of my pc:

 

CPU: Idle: 35° - Full load: 55-60°. (it have a water cooling system).

VGA: Idle: 35-36° - Full load: 60-65°

etc, etc ,etc. so is not temp problems.



#5 Apocalypthus

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Posted 24 March 2015 - 09:37 AM

Go with the easy stuff first buddy, check the PSU with a known good one , RAM you know.  You said you got shocked?  Maybe something is not properly grounded check to make sure you have all the proper standoff screws installed (the ones that go under your motherboard where it attaches to the Case..  I am sure your using a surge protector so check if the power coming from your wall outlet is clean.  It helps to have a multi-meter. A lot of factors can come into play so just start by doing the elimination process.  I hardly see Processor failures tho its still plausible but what I am thinking is worst case scenario = bad motherboard that you'll have to replace.  What are you usually doing on your computer when it turns off are you playing games?  Browsing internet?  Temperature of CPU / Graphics under load?  Check and recheck your connectors are all properly connected.  Get back to us bro!  Try install Windows one at a time to each drive does it encounter same problems?

Hey bro!

 

As i say to Arena leo, is not overheat, i just brought my pc to a professional in the field , he will do tests to determine what may be wrong .

I will take your recommendations if the technician does not solve the problem! I'll be updating this post in a week when i have back my pc !






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