What can I disconnect?

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Okay, so I'm trying some troubleshooting and want to find out why my computer keeps randomly crashing...
What I would want to know is what I can disconnect for the computer to just stand in BIOS?

Can i disconnect the power sata cables to both my drives?
My motherboard has intergrated(?) graphics so I can disconnect my graphics card...
 
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DHFF

DHFF

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yes if you take the power cable out of your drives the computer can boot to the bios. you can also try downloading Ubuntu onto a portable drive and booting to that in order to rule out windows being the cause.

If you don't have a portable drive laying around you can make a live CD for Ubuntu and boot to that.
 
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DHFF

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The important part in diagnosing a problem is to only disconnect one component at a time. start off with trying a different OS and see if that helps, if it still crashes then you know its not software. nor is it the hard drive. then try removing the Graphics card and test. If you have a spare power supply you can try that next. ect...
 
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Cant I rule of the software already? It shuts down even in BIOS, isn't that enough to rule it out?

Plus another thing, I noticed that my BIOS has the speed of my ram wrong, it says 1333 on there when its actually is 1600... Could it be a problem that the computer fixes by shutting down when it notices the ram doing more than it is set for in the BIOS?
 
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DHFF

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The RAM thing is normal. Many motherboards do that. every motherboard I have had starts off with 1333 even when I have 1600. That shouldn't be your problem.
To rule out software, un plug your Hard drive and turn the computer on, it should load to your BIOS screen, if it doesn't then hit DEL repeatedly while booting and it should go to your BIOS start up. if it stays there and doesn't reboot then that would suggest that your computer is hitting an error when it trys to load your OS.
 
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But the computer has already died when standing still in BIOS, I let it stand there and after about an hour it died again... And it's not the GPU either, romved that and still crashed

Yesterday I ran memtest86 to see if that would notice anything... memtest86 runs the test four times, first run it got through fine and without detecting any errors, then it crased mid second test...

Dont know if I should try going into BIOS with the different ram sticks and let it sit there, then swap place to see if it is the ram or the ram sockets... if that doesnt get me enywhere the problem can only be the PSU or the motherboard it seems like
 
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DHFF

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Not saying it cant be the PSU but it doesn't sound like it. its not acting like a PSU problem. you are on the right track with testing the memory. put one stick in and test, then move it from slot to slot until you notice a difference. if you don't get any results but rotating the memory around then its more then likely your MB.
 
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Btw, dont really think I've described the problem in thsi thread.. So, I build the computer the 15th, installed everything the 16th. Worked fine until the night from 17th to 18th until I brought it down to my car to get it into town next day for a lan party. Stayed in the car the whole night and until around 5pm next day. Yada yada, played a bit, then some time under the night it crashed, no blue screen, just like the power went... It did that a total of four times during the night

Got home, checked again and it crashed after maybe 45 minutes. The pattern is completely random, sometimes it stays on for an hour. Some times a day and a half.

So far I know that it crashes in the bios, where I can also see the temp of the CPU so it's not overheating unless it's showing wrong.

It's also not the GPU since it crashed after removing that to.
 
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DHFF

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Ok I was under the impression that it was rebooting before it ever hit the OS. From what you described there, we cant rule your PSU out. Unfortunately the only efficient way to test this is to swap out one component at a time but that's not very cost effective as you probably dont have a pile of parts laying around. If we lived in the same area I would offer to test it for you as I keep a spare of each part around for testing purposes.
 
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Was thinking of just going and buying one, and if it turns out thats not the issue just rma it within 7 days (no questions asked mostly in sweden if it's within 7 days, as long as you dont damage it)

otherwise I can propably get a friend to borrow his PSU for a day maybe, will check
 
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Okay so, the shit died with both ram sticks in both sockets, individually that is.

Now, I want to swap out the PSU to see if that's it, but I dont know how much theese crashes will damage the other hardware in there... By now it has propably crashed like this over 10 times... I live in like a "good" place so the power surges people are saying is the worst for hardware is propably not happening so long as it's not the PSU causing it...

But then again, since I dont know how much the hardware is getting damaged from these crashes I dont know if I want to keep trying to swapping out things or just leave it with some professional who knows what they're doing.
But, if someone can tell me the hardware doesnt take damage then that would be really nice since the other option will most likely cost quite a bit, and. Well, I spent most money I got this summer on the computer ;/.
 
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