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Usb ports my usb ports have stopped reconising anything. i think it started by me pulling my ipod out not realising you had to disconeted it safely. my pc is not showing the drivers in device manager anymore. PLEASE HELP

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  • Anonymous Dec 25, 2007

    none of my usb ports work. they won't recognize anything. ever!

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What version of windows are you running?

Posted on Dec 17, 2007

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I have a advent 7302 laptop the usb ports do not reconise anything pluged into them and when i plug a device in the mouse pad locks the cursa


Try and re-install the USB drivers for the Mainboard, Any problems with external devices in USB ports could be due to a lack of power (or low power ) on the ports. I hope this helps point you in the right direction.

Jan 22, 2012 | Advent Computers & Internet

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I can't get my usb devices to work on my dell 4600 series pc. It won't reconise anything I try to plug in to the usb ports.


Try deleting your usb drivers.

Right-click My Computer
Manage
Device Manager
USB Controllers
Delete (Generic USB Hub)
Restart computer
(Windows will auto-install the drivers, on reboot)

Plug your device back in, and see i've it works.


ALSO PLEASE RATE MY SOLUTION


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Can I play my Ipod on my Lg tv through the ipod


Not if the USB port on the TV says "SERVICE" next to it. At least I don't think that it would work. But go ahead and try it. It can't hurt anything.
Plug it in and toggle through the input modes to see if there's an extra one showing your Ipod. Or look within the MENU settings to see about turning on or accessing the USB port as a video input.

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My front usb ports on my computer suddenly stopped working. I do have vista, and I swear the problem arose after an update. I can plug my ipod into them, and it charges my ipod, but it does not open...


Go to Start-Programs-Accessories-System Tools-System Restore and back your computer's date to some time before you installed this update. You will then know if the update actually caused the problem.

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My ipod no longer connects to the computer, i can only charge it. whenever i start it it comes up with a picture of a ipod with a sad face and says go to ipod website for fix solutions, i've tried it but...


Cant be the harddrive since then it wouldnt show anything at all. Try a different USB port, I had the same problem with my iPod, only charging. I changed the USB port and it connected successfully.

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IPod Nano not recognized when plugged to USB


Make sure your not pluged into a USB hub. It will work if its plugged directly into a USB port on your computer.

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Have you tried pluging it into a different USB port.

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My ipod still show do not disconect,after i took off usp cable


start with this troubleshooting guide

http://www.apple.com/support/ipod/five_rs/

if you need more assistance let me know, im here to help.

Apr 16, 2008 | Apple iPod MA446LL/A MP3 Player

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Trouble with Kensington Pocket Mini Hub USB 2.0 and Apple iPod.


I believe the reason you have this problem is your trying to run too many USB items than your pc can handle at the same time. Since you only have 1 USB port on your pc it may not have enough power to run an iPod and your DSL at the same time.

Jan 22, 2008 | Computers & Internet

1 Answer

Front usbs not working(suddenly)


Possibilities:
1) One of your USB devices have faulted, or is causing a resource conflict (or similar)
-- Remove all USB devices, and reboot.
2) Your USB chip/ports have been damaged.
-- Find a spare HardDisk or bacjup your data and re-install Windows and see how that goes.
3) Your Power Supply Unit (PSU) isnt supplying enough power to your PC (usually caused by a Video card upgrade). Try a more powerful PSU ... 400watts should do the trick
4) Bad memory (RAM) can cause wierd problems. run memtest for an hour to make sure your memory is ok





It seems that many people are still getting the 'USB Device not Recognized' problem from time to time. Unfortunately there is no easy fix.
Firstly, it's recommended that you make sure every one of your motherboard drivers are completely up-to-date, but you probably already knew that.
In XP, after a USB port isn't used for a long while the USB driver built into the OS sets the OHCI controller to suspend. When you plug a device back in, it can sometimes fail to 'wake up' properly. This problem was supposedly fixed in SP1 but there is a related registry hack that may still be able to help.
Run regedt32.exe and navigate to;
HKEY_LOCAL_Machine\SYSTEM\CurrentControlSet\Services\Usb
Create the Usb key if it doesn't already exist. Under this key, create a new DWORD value called DisableSelectiveSuspend and give it a value of 1. Then restart the PC.
A long shot perhaps, but I recall having similar problems with a USB hub built into my Microsoft keyboard and adding this key seemed to solve it. It wouldn't hurt in trying .
Alternatively, removing all entries relating to USB in Device Manager and all associated USB drivers will force XP into refreshing the USB driver stack.
Begin by unplugging all USB devices, then use Add/Remove Programs in Control Panel to uninstall any USB driver software. Next, boot up into safe mode and go to Device Manager. Once in device manager make sure 'Show hidden devices' is checked under the View menu. Uninstall all device entries in this order;
1. USB peripheral devices (printers etc.)
2. HID and/or Composite USB (Human Interface Devices) You're using PS/2 input devices so you may not have this entry.
3. USB Root Hub(s)
4. USB Host Controller(s) (Universal or Enhanced Host Controllers)
Then boot back into Windows (not safe mode) and it should populate the Root Hubs & Host controllers again. Proceed to plug your USB devices back in, starting with your powered hub. Be aware that most USB printers and scanners need to have their drivers installed first before you plug them in.
Hopefully some of this may be of help, let us know how you get on.


AND PLEASE RATE THIS SOLUTION AS FIXYA IF MY POST WAS HELPFULL

Nov 16, 2007 | Computers & Internet

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