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USB Ports not functioning


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#1 The_unknown_man

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Posted 31 January 2009 - 10:27 PM

My usb ports will not work, they have power to them and I've tried to use my device manager and it cannot find the USB ports. I do have a printer hooked up and its working but I've tried to plugin my external harddrive and other devices but it doesn't notice I plugged them into the computer. I have a windows xp and its a media center edition. I think the problem is that I accidentally opened "safely remove hardware" and I stopped the usb hub which has the SD,MMC, Pro, and other memory stick ports with a usb port aso attached. I've done this before but I just disconnected and reconnected the wire of the little hub in the computer but this time that solution did not work. Can someone help?

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#2 dc3

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Posted 01 February 2009 - 05:44 AM

Try this, go to the Device Manager and right click on the icon of the monitor at the top of the column and then click on Scan for hardware changes.

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#3 The_unknown_man

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Posted 01 February 2009 - 11:44 AM

Ok I tried that but it didn't work. Is there anything else I can try? I did try to go through the registry to find if the ports were just suspended but I couldn't even find the usb folder in the system files.

#4 The_unknown_man

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Posted 11 February 2009 - 04:20 PM

can anyone help me?

#5 scff249

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Posted 11 February 2009 - 05:10 PM

Is your external harddrive and other things being detected in My Computer when you have them plugged in?

Edited by scff249, 11 February 2009 - 05:12 PM.

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"Day before yesterday I saw a rabbit, and yesterday a deer, and today, you." -The Dandelion Girl
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#6 hamluis

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Posted 11 February 2009 - 05:51 PM

I would go to Device Manager...uninstall all USB controllers...reboot and see if the USB ports work properly (and that all USB controllers are properly reflected in Device Manager).

Louis

#7 The_unknown_man

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Posted 22 February 2009 - 11:11 PM

Ok I tried uninstalling the ports and still my front ports are not working but my backside ports are working. For the front ports the computer doesn't even recognize them when I have the devices plugged into the computer. I did have 1 port on the front that noticed several devices had been plugged in when I went through all my usb port using devices. So I uninstalled the port in the device manager when it said unknown device (the backside ports knew what the device was, so its not a driver issue.) and now the 1 on the front doesn't even notice devices are being plugged in the computer.

Just a little info about the front usb ports. There is a media card hub with a usb port on the side, then just below theres an wi-fi, mic, audio plug ins and to the right 2 usb ports. All of these have now become nonoperational. hope this helps.

#8 hamluis

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Posted 23 February 2009 - 04:02 PM

My front USB ports seldom work, since the cases that I use sometimes only have 1 USB connector, while the motherboard has 2.

Maybe it's time to inspect the motherboard connections.

Louis

#9 PCwarrior

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Posted 24 February 2009 - 06:42 PM

I lost my front ports to static elect shock. While at a shop with the rig one day I mentioned the symptoms to the tech, and he mentioned that USB ports tend to get abused as a easy connection to the mother board, but that they truly are a bit more sophisticated than that. In so much that if they are subjected to static when changing a device ( say that you had a device it in your wool shirt pocket before connecting it) from time to time.
After his short (no pun intended) sermon about the subject, he set me up with a 2.0 4xhub and a 4x 2.0 extended hub to make up for the lost 2x old style usb fronts. The fronts still don't detect or power. I did see a small static jump before loosing the originals. Just being able to recall seeing it, means it was a huge jolt to the controller. I was lucky to only loose the front units, as I was told.
I'm sorry I don't have much of a remedy for your situation, but the mention of many USB devices make for a definite opportunity for future losses. It seems that there should be a easy way to discharge a devise before connecting. I pods, zunes , cameras, and all never say much about (if anything about) there capacity to hold static charge. Best wishes.
(new,12/23/09) ASUS Crosshair III, Phenom IIx4 955 Blk Ed, Zalman 9500 HS, Saphire 5770 vga, W-7/64bit, 8g/Corsair/1600 RAM, 850w HX Corsair PSU, WD CB/500gb HD, Pioneer CD/DVD, Smilodon/Dirk-Tooth(modded), All custom&controlled fans. Shhhh lol :)

#10 The_unknown_man

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Posted 05 March 2009 - 08:07 PM

thx and damn you!! PCwarrior, lol just kidding. Well thx for the info and now I'm going to see if I can get a new usb port. (I still have power to the ports, so I hope getting a new port hub will work.) Thanks again guys!! you've all been helpful.

#11 PCwarrior

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Posted 06 March 2009 - 06:05 PM

I do get a bit windy some times. Hope its not a deep issue. I ended up with upgraded 2.0 ports, from my ordeal. A four USB single pci slot card and just hooked up a extended 4 place hub(2.0 as well)velcroed to the upright on the desk side for easy access. Again , I hope yours is less to fix up. :thumbsup:.
(new,12/23/09) ASUS Crosshair III, Phenom IIx4 955 Blk Ed, Zalman 9500 HS, Saphire 5770 vga, W-7/64bit, 8g/Corsair/1600 RAM, 850w HX Corsair PSU, WD CB/500gb HD, Pioneer CD/DVD, Smilodon/Dirk-Tooth(modded), All custom&controlled fans. Shhhh lol :)




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