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Two of my usb ports stopped working for some reason. I've tried to update the drivers and they still don't work . I'm new at this so I need help trying to fix the problem

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You can try reinstalling the OS...but mosty if a USB fails to work...then it is a problem with the motherboard...

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Posted on Jul 31, 2008

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I need gigaware pci card express drivers for usb 3.0 card


I did a little digging and found that Radio Shack actually stopped carrying the Gigaware card, BUT they have a new card from Startech and guess what it looks almost exactly identical to. Long story short I tried the drivers for the Startech version and it installed without a hitch and detected the card right away.

Here are the drivers I used.
http://www.startech.com/Cards-Adapters/USB-3.0/Cards/2-Port-PCI-Express-SuperSpeed-USB-3-Card-Adapter~PEXUSB3S2

Jul 26, 2012 | Computers & Internet

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Winxp sp3 andwin7 cannot recognized its USB adapter saying that it is an unknown device, i've tried to remove it from device manager and reboot, i also tried to update the driver through windows update...


The easiest way to figure out what is going on is to try the adapter on a different computer. If it is still good it will be detected. Usually when a usb device fails it may be recognized or is recognized only as a usb device but it will not work. You don;t have to install any drivers just to test this on another computer unless you want to make sure it is fully functional. It is also possible that the usb ports on the computer are not working or one isn't. Simpley use on of the other ports.The usb port controller usually operate a pair of usb ports so try all the ports. You may get a problem with one port or pair but rarely all at the same time.

I think you will find that the adapter itself is your problem and will probably need to be replaced.

Sep 15, 2011 | EnGenius EUB-9701EXT2 Pre-802.11n Wireless...

1 Answer

I cannot get my keyboard or my mouse to work with my dell computer. what can i do?


Please add more information to get specific assistance. Are these wireless devices? If wired, do they use USB or PS/2 connections.

For wireless devices, try replacing the batteries and resynching to the receiver. (You may want to check putting the receiver in different USB ports.)

For wired devices, disconnect and reconnect. For PS/2 devices, you will need to restart the computer to check if the devices work. For USB devices, try connecting to different USB ports.

Next step, try using a different keyboard and mouse (that work on another computer (stick to USB or PS/2 to match the current pair)). Try a wired set if the problem is with a wireless pair. If those work, continue diagnostics on the wireless keyboard and mouse. Check if the mouse and keyboard work on another computer. If they don't work with another computer, replace them.

If another USB keyboard and mouse pair don't work in any port, your USB ports may have failed. Check if even one port works enough to access the Device Manager. (Start > Control Panel > Hardware and Sound > Device Manager (Win7); similar directions in other versions of Windows) Check for a problem with the drivers (For USB ports, scroll down to the USB drivers and look for a triangle with a yellow exclamation point or red x). Try to update the driver or roll it back. If that doesn't help and one USB port works, a USB hub may solve the problem.

Otherwise if the USB or PS/2 ports do not work with any devices and the driver fix doesn't work, then I'd suspect a problem with the ports on the motherboard. Replace the motherboard/computer.

I hope this helps.

Cindy Wells

Sep 12, 2011 | Dell Computers & Internet

2 Answers

My dell latitude d600 usb ports stopped working how can i get it fixed. thans


If ALL the usb ports have stopped working, this is a problem with the USB controller. The short answer is that you cannot easily repair this. In all probability, the controller, or a circuit trace to it has blown or shorted. You would need to get another motherboard.

If one is still working, then you can get a PCIMCIA card to usb port that will give you 2-4 extra ports, but this will only work if at east one of your existing usb ports is still functioning

Aug 16, 2011 | Dell Latitude D610 Notebook

3 Answers

ONE OF MY USB PORTS STOPPED WORKING ON MY DELL LATITUDE D600 PC NOTEBOOK.


A shot in the dark here, but try this: Click Start>Run, type devmgmt.msc and press enter. Click the plus sign beside "Universal Serial Bus Controllers." Right click each listing that appears underneath "Universal Serial Bus Controllers" and click Uninstall. Click OK on the confirmation dialogs. After you get done uninstalling all of them, restart your computer and Windows should reinstall them. After it is done, try that USB port again.

Nov 11, 2009 | Dell Latitude D600 Notebook

2 Answers

USB port problems with hp printer


use 2.0 ports and not less than that.if still nothing works out,check your port connections or that of ur printer.

Jan 03, 2009 | HP DeskJet 3745 Printer

3 Answers

USB port problems with hp printer


There are few things to remember using USB.
  • If your System is in hybernation mode, don't remove any attached USB device, because it will damage your USB driver. This is one of the known problem from microsoft.
  • If you have to remove any USB device use 'Safely Remove Hardware'.

To remove currepted USB drivers its not enough to remove your printer drivers.
  1. You should un-install the 'Universal Serial Bus Controllers' from Device Manager.
  2. Then re-boot to clean registry.
  3. Install the 'Universal Serial Bus Controllers' using XP Setup CD.
  4. Then check the Mass storage, PDA etc, it should recognized by XP.
  5. Then install printer driver (don't attach printer to system untill setup finish or setup says to connect).

I think it will fix.
Please let me know your feed-back.

Thanks
Iqbal

Apr 15, 2008 | HP Photosmart C3180 All-In-One InkJet...

1 Answer

Usb problem


You shouldn't need the USB driver 2.0 from mercury because windows installs this with SP2. Suggest you un-install what you installed from mercury & update your version of windows (completley), through "Windows Update". Once windows is all updated & you have finished with a reboot. Plug your pen drive in a opened usb port. Open windows explorer. Scroll down & you should see an icon (left side of explorer), thats named like, Removable Disk. Give windows time to see the device. After a few minutes if your pen device does not show up try another usb port. One you know does work. If after a couple of minutes go by & you still don't see the device listed in explorer I would say the device is defective. Your Mp4 uses a cable to connect to the usb. Try connecting to another PC's usb port. It is possible the cable is dirty or bad.

Jan 13, 2008 | Mercury P4VM800M7 Motherboard

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