CPU/Mobo could a cabinet cause motherboard to malfunction?

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joyceanblue

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hi mates, there is this system i have, and it keeps on blowing on me, i have rmad its board a few times and replace almost everything in it. the motherboard is biostar 790gxbe, and cpu is 620 x4. earlier i was using a glacialtech 650w psu, which blew on me and i had to buy a coolermaster 550gx, so its almost a brand new psu. and i had problem on both of the psu so i doubt its the psu that is causing the problem.
So the only thing that is left untested is the cabinet, its a secondhand zebronics peace, could it be causing the motherboard to blow? is it possible that faulty power connector or fans can blow chip on a mobo?
 
Yeah, if there's some sort of a backplate on the cabinet which could be shorting the contacts beneath the board. There was a similar problem with Chieftec enclosures once. They shipped with a backplate meant to be used with server boards - if not removed when used with normal ATX boards, it would short the contacts rendering it useless.

Aren't you using those spacers supplied with the enclosure to screw the board into?
 
There is nothing left after Desecrator advise, but, I suggest if you get your wiring tested, ground, reverse polarity, Line disturbance, I think the culprit is front of you.

eBRo
 
Desecrator said:
Yeah, if there's some sort of a backplate on the cabinet which could be shorting the contacts beneath the board. There was a similar problem with Chieftec enclosures once. They shipped with a backplate meant to be used with server boards - if not removed when used with normal ATX boards, it would short the contacts rendering it useless.

Aren't you using those spacers supplied with the enclosure to screw the board into?
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yes i am using those brass spacers supplied with the cabinet to screw the board, and i doubt there is anything wrong with the backplate since there appears to be ample space between board and backplate.
 
Then the enclosure is not causing the issue. Few questions -

- Are there constant power fluctuations or spikes in the supply?

- Have you connected a UPS to the system? If so, which one is it?

- Is the UPS connected directly to the power outlet or is there a spike buster connected?

- If a spike buster is connected, how many other devices have you plugged into it?

Spike busters do not take overloads and neither is it advised to plug a UPS to a spike buster but to the mains directly.
 
i am using a ups, there are 2 pcs connected to this ups, its a microtek ups, my other pc seems to be working just fine. and i havent noticed any fluctuation in the power.
 
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