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Issues with front USB ports rebooting PC

Forum Homebuilt Systems : General Homebuilt - Issues with front USB ports rebooting PC

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PC Bandit   11-11-2009 at 01:16:02 PM

my issue seems to always be with me is that no matter what motherboard I have in my Built PC any usb device that touches the USB ports after my PC has been on for a while makes my system reboot, and Im not sure if there is a serge problem with this issue or improper grounding issue?

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GhislainG   11-11-2009 at 02:19:54 PM
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If they work fine after the initial power up, then you have static building up. Are the USB ports properly connected to the motherboard, including ground wires (if all wires are separate)? Did you add fans to your case and what case do you have?

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PC Bandit   11-13-2009 at 12:36:55 PM
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I have teh Antec 902 currently, and Im using a GIGABYTE GA-MA790X-UD4P motherboard, and yes, its 1 piece USB connector, and far as fans goes, I have the stock 2 120MM font, and 1 in back , plus a 200Mm on top, than I added a 120mm on teh side panel, witch the whole system is being powered by a 1000W PSU

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GhislainG   11-13-2009 at 02:26:19 PM
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If you leave a USB device connected, do you have issues if you remove it and reconnect it after the system has been running for a while?

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PC Bandit   11-19-2009 at 05:51:56 PM
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not when I remove items, so much as just touching the usb devices from the front as jump drivs, or PC controlers, or my zune sync cable, it just like reboots, or malfunctions, I havnt found a solution yet to reduce this problem of static buildup, but Im beginning to think its related to that, cuz I never had the issue till I moved into this place

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GhislainG   11-19-2009 at 10:40:37 PM
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Did you check your outlet ground to make sure that it's fine (or that it's even connected)?

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macabre215   11-19-2009 at 11:18:40 PM
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It also could be a short in the usb ports, one of my front usb ports on my nzxt apollo used to restart my system when slightly bumped. Nzxt actually sent me new usb ports that could replace the old under the front of the case and works fine now.

------------------------------ AMD 5400+BE @3.3GHz
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PC Bandit   11-20-2009 at 03:02:30 AM
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yeahhh with me, tho its teh same case my friend used of the Antec 902 adn he had no isues, so its related to this place, or how I have my tower off the floor, or how Im always staticly charged in this place, my previous homw far far away I never ran into this problem... so its me thats gotta stay static free, or find a way to betterly ground teh tower how its setup all thothe rest of the tower isnt suffering from static build up like how usb ports on front are sensative with me... but appreciate any input and thoughts on a solution to this problem

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EXT64   11-20-2009 at 04:11:47 AM
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You do not have any paper washers or other insulating material between the motherboard/screws/standoffs correct?

------------------------------ New Build (Under Contruction): Intel Core i5 750 > Gigabyte GA-P55-UD4P > 2x2GB GSkill 1600MHz CL7 1.65V > Samsung Spinpoint F3 1TB > Antec 300 Illusion > Asus 4850 512MB w/AM Cooler > Corsair 650HX > Hyper 212 Plus > See other Builds in Member Config
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Bronze Home Brew badge aford10   11-20-2009 at 04:19:53 AM
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Try using a small humidifier in the room.

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