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Brother's computer randomly freezes!

W

wonSR4

[H]ard|Gawd
Joined
Feb 17, 2009
Messages
1,588
Hey guys,

much appreciated if you guys could help me fix my brother's computer.

His computer specifications are as follows:

i3-540 (leftover from my old PC)
Gigabyte H55N-USB3 (New)
Prolimatech Samuel 17 (New) + S-Flex 800 rpm (leftover from my PC)
Corsair 4 gb (2x2gb) DDR3 ram (leftover from my PC)
WD 640gb 3.5" black HD (leftover from his old PC) - primary
WD 640gb 2.5"green HD (New) - secondary
Silverstone ST45SF (New)
Silverstone SG05 (New)

His original PC (which was my old PC) was perfectly fine but as I got the itch to go to a smaller form factor for my own PC, i naturally wanted to downsize his too (why couldn't I just leave a working PC alone? :()

Anyways, after putting it together and installing Windows 7 and everything, it seemed to be working fine. I get a text from my brother later and he says that the computer keeps freezing (i.e. sometimes the screen would have green/purple lines going across or it would just randomly freeze). I know that most of the stuff besides the PSU, motherboard, and secondary HD worked perfectly fine in their previous builds so I was thinking that it would be one of the new items. I didn't think that the secondary HD was the problem so I narrowed it down to the PSU and motherboard. How would I go about pinpointing which one is the problem? Also, if it was the motherboard, could it just be the onboard video and using a video card would solve the issues? I say this because it's not like the PSU is being taxed at all.

Thanks!
 
First thing that pops into my mind is overheating. Ask him to download something like CPUID hardware monitor and check his internal temperature.
 
It's probably the PSU as I have heard that the ST45SF has a bunch of issues with it.
 
Years ago it took me a week to track down the same issue and it turned out to be bad PSU but I also had a similar issue once and it was just because I didn't have the PSU mb connector on solid.
 
Thanks for the help fellas. I've checked the temperatures before and they were more than acceptable so I don't think it's an overheating problem.

I did disconnect everything and connect it again but I'll make sure that all the connectors are connected securely.

I know the PSU has its issues and this one may just be a dud compared to the other ST45SF I had but it would have problems running what my brother's computer is running? I thought the issue was more when it was getting taxed to the maximum?
 
Similar thing happened to me when building a friends computer, he had an MATX mobo, and it was difficult to push the 24-pin motherboard connector all the way in, because the motherboard kept bending down when I tried to get it secure.

After some troubleshooting I realized it wasn't in all the way, but it was close. After I pushed a bit harder I heard the snap from the pin on the outside locking with the mobo pin, and everything worked fine after that.
 
wonSR4 said:
I know the PSU has its issues and this one may just be a dud compared to the other ST45SF I had but it would have problems running what my brother's computer is running? I thought the issue was more when it was getting taxed to the maximum?
Click to expand...

It was a quality issue in general regardless of the load IIRC.
 
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