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USB Port turns off computer


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#1 crybllrd

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Posted 17 May 2012 - 02:18 AM

I am trying to get my girlfriend's EeePC back to a usable state.
She had it loaded down with all sorts of spyware and viruses, to the point it wasn't even worth trying to use. She stopped using it two years ago.
I have most of it cleaned up, and now I am playing with the hardware issues.
I replaced the screen and keyboard from an old unit I found, and am now dealing with a faulty USB port.
Her EeePC has two USB 2.0 ports built in. One of them works fine, and the other one kills the computer when anything is plugged in to it.
It happens immediately when you plug something in, it just powers off ((doesn't go through the shutdown routine)). It seems to be a bit of a short.
I don't have any problems soldering or changing hardware parts as I have plenty of experience doing both, I am just wondering if anyone has any experience replacing a USB port in one of these units (or something similar) as I would like to know what i'm getting myself into before beginning.
Thanks in advance.

EDIT: after looking a bit closer, the troubled USB (on the right)is missing that horizontal flat piece, so when I look in to the port all I can see are 3 prongs.
See pic, troubled one is on the right, good one is on the left.
Attached File  photo.JPG   148.24KB   4 downloads

Edited by crybllrd, 17 May 2012 - 02:33 AM.


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#2 James Litten

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Posted 17 May 2012 - 10:55 AM

You may want to just block the opening of that port in a tasteful manner (or just put duct tape over it :) ) rather than attempt to repair it. I haven't looked inside one of those in over a year but I don't think it's an easy jack to replace without too much risk.

I have one and have fixed quite a few for teenagers who got them in high school so I know what you are up against :)

If while fixing the broken port you inadvertently break both ports, you will kind of brick the whole thing since they don't have an internal CD/DVD and it's easy to get into a situation where it does not have network access.

Maybe someone else has had good luck replacing these ports and can jump into the thread with us.

James

#3 abauw

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Posted 17 May 2012 - 11:10 AM

Do you have experince replacing USB ports?
If yes, it will have same method with a Desktop Mainboard.
If not, you could search a documentary video on youtube about doing that, no need find same model, just need how to do it right.

The key is your soldering devices and please be carefull with that heat because it could burn something :whistle:

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#4 rotor123

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Posted 17 May 2012 - 05:56 PM

If it were mine and that was the problem I would make sure that the four pins in there are not touching anything or each other then I would put hot melt glue in there so nothing can be plugged in.
I suggest that since I have seen the USB controller chip get fried and take out the motherboard on a desktop.

I have changed damaged USB ports and it is a royal pain. I only did it because I wanted to sell the computer and I had a dead one with the exact same usb port to use as a donor.

Good Luck
Roger

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