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Case mod shorting out my MOBO?? NEED HELP ASAP

post #1 of 12
Thread Starter 
Hi all I just painted me PC about 5 days ago and I axandly painted the little screws on my chassy plate "like where the MB Is mounted to the case" I used High heat paint like engian and oven paint could this be a reason I shorted out my MB? Thank you all
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post #2 of 12
Yes.

The Motherboard needs contact with the risers, not painted, to properly GROUND the system.

Remove the board and scratch sand off the paint on the risers where the board contacts. You'll see on the back, where the risers are screwed to, the metal trace that makes the contact you need to ground.

[Edit]

Like these Mobo mounting holes

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post #3 of 12
Thread Starter 
Quote:
Originally Posted by Ictinike View Post
Yes.

The Motherboard needs contact with the risers, not painted, to properly GROUND the system.

Remove the board and scratch sand off the paint on the risers where the board contacts. You'll see on the back, where the risers are screwed to, the metal trace that makes the contact you need to ground.

[Edit]

Like these Mobo mounting holes

Well thank you It all macks secse now thank you now again and thx for the pic I see now. Would It be easer to by a new one or what and do the threads In the resters have to be clear of any paint?
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post #4 of 12
Quote:
Originally Posted by Alex Jones View Post
Well thank you It all macks secse now thank you now again and thx for the pic I see now. Would It be easer to by a new one or what and do the threads In the resters have to be clear of any paint?
Well it shouldn't matter honestly and technically if there is any paint filling in the riser you wouldn't be able to screw them in all the way..

Just a question of clarification.. You took everything out of the case, less the mounting plate (or the side of the case you mount the mobo to) and painted it all with the risers still installed thus painting them as well? That's how I read your post.

If this is the case, I would leave them in as they are because if they were screwed into the mounting plate, then no paint is there THUS metal to metal contact; your good there.

Take a pen knife, sandpaper or something you can scrape/sand the paint off the top of the riser. This will allow you to re-mount the board thus making metal to metal contact from the now cleaned riser to the contact pad on the mobo where it should.

Replace mobo and screw in where you normally would but now hopefully you've got enough contact to get a good ground.

Trying to think how I can diagram this for you quickly, hehe..

[Edit] Like This I guess...



Scratch or sand the BRIGHT RED portion, just so the paint is off and there is flush metal.. As you can see the screw from the topside motherboard will press the contact pads (for ground) of the motherboard to the riser, which by being screwed into the mounting plate, grounds the system.
Edited by Ictinike - 6/1/08 at 9:33pm
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post #5 of 12
Thread Starter 
Quote:
Originally Posted by Ictinike View Post
Well it shouldn't matter honestly and technically if there is any paint filling in the riser you wouldn't be able to screw them in all the way..

Just a question of clarification.. You took everything out of the case, less the mounting plate (or the side of the case you mount the mobo to) and painted it all with the risers still installed thus painting them as well? That's how I read your post.

If this is the case, I would leave them in as they are because if they were screwed into the mounting plate, then no paint is there THUS metal to metal contact; your good there.

Take a pen knife, sandpaper or something you can scrape/sand the paint off the top of the riser. This will allow you to re-mount the board thus making metal to metal contact from the now cleaned riser to the contact pad on the mobo where it should.

Replace mobo and screw in where you normally would but now hopefully you've got enough contact to get a good ground.

Trying to think how I can diagram this for you quickly, hehe..
Ok I took everything out and painted It evan the resters I unscrued the resters that I was able to come off and left the one's that could not come off . Ok and you work on your dieagram and I will try to put up a few pic's
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post #6 of 12
Thread Starter 
Ok thx for the diagram.
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post #7 of 12
Thread Starter 
so I got off most of the paint there Is still some in the threads of the raisers am I safe now or no?
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post #8 of 12
why not just save yourself a lot of hassle and go get some new standoffs and screws?
Couldn't cost more than $5 for everything
post #9 of 12
Actually it is irrelevant if the motherboard standoffs aren't grounded; the system will run just fine if they aren't grounded (not grounded in acrylic cases anyways). What can be problematic though is if the screw head and/or standoff is making contact to a component in the near vicinity. Grounding issues are not a lack of having something grounded, but rather having something grounded that should not be grounded.
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post #10 of 12
Thread Starter 
Quote:
Originally Posted by radodrill View Post
Actually it is irrelevant if the motherboard standoffs aren't grounded; the system will run just fine if they aren't grounded (not grounded in acrylic cases anyways). What can be problematic though is if the screw head and/or standoff is making contact to a component in the near vicinity. Grounding issues are not a lack of having something grounded, but rather having something grounded that should not be grounded.
SOOOOOOOOOOOOOOOOOOOOOO what would you suggest?
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