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Cannot get (device manager ) to work , problems with usb drivers

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Go to start-> run in it enter devmgmt.msc to enter the device manager from there find the Universal Serial Bus Right Click on it and uninstall it .
Again Right Click on Universal Serial Bus and Click Scan for hardware changes.

Posted on May 27, 2010

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4 Answers

Why won't the right USB port recognize when I plug in my mouse?


Your USB ports on your computer are plug and play. If you have issues with your USB port, it is port related, driver related or device related. The following solutions will help you identify the problem to resolve your USB port issues.
To Identify a Working USB Port
Begin troubleshooting your USB ports by checking Device Manager to see if your USB ports or hubs are working properly.
  1. Click the Start button. ClickControl Panel.
  2. ClickSystem and Maintenance.
  3. ClickDevice Manager.
  4. Double-clickUniversal Serial Bus controllersand check to see if all your USB ports, hubs and controllers are functioning correctly. Any devices not functioning will have a yellow exclamation mark in front of them.
  5. If Device Manager shows any USB ports, hubs or controllers are not functioning, check for updated drivers.

To Update the USB Port Driver

An out-of-date BIOS driver can create issues with your system recognizing the USB port.
  • Watch a Video on Steps to Update Bios on Your Computer.
    1. When the update process is complete, your computer will restart again to load the operating system with the new driver version installed.

Sep 16, 2014 | Dell Inspiron Computers & Internet

1 Answer

How to check fo faulty USB port


W 7
First, please disconnect all USB devices and then perform the following steps:
Click "Start" button, type "devmgmt.msc" (without quotation marks) in the "Search" bar and press "Enter". Click "Continue" if necessary.
In Device Manager, double click to expand "Universal Serial Bus controllers", right click on the Host Controller, click "Uninstall" and click "OK".
Repeat the step 2 to uninstall all items under "Universal Serial Bus controllers".

Then, restart your computer and Windows 7 will reinstall all USB controllers automatically.
for XP or earlier
Click start right click on computer select properties device manager scroll down universal serial bus controllers you could see a yellow question / exclamation mark? ! or a red X
you will need to update/reinstall drivers right click to reinstall drivers
if you can see your usb drive but its not working
ports (com&lpt) right click update driver if this fails to fix the problem
Check the USB leads that attach to the motherboard usually red white green black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems to a computer and its parts Check if USB Ports Are Damaged

USB ports are an important part of your computer's hardware.
Many devices connect to the computer via USB, such as music players, cell phones and digital cameras.
This connection lets you charge your devices and manage files on them.
When you connect a device to a USB port, it is typically recognized automatically.
If not, there may be a problem with the port. USB ports sometimes fail on their own, or they may be damaged by force.

Plug a variety of devices into the USB port you think is damaged.
If none of them work, the port is probably broken.
Connect the same devices to the USB ports on a different computer.
If they work, this is another indication your ports may be damaged.
Run Windows Update on your computer to ensure your devices and computer function together and have the latest drivers.
Click "Start," then type "Update" in the search bar.
Click on "Windows Update," "Check for Updates" and "Install Updates."

Open the Windows Device Manager by clicking "Start," then typing "device manager" into the search bar.
Click the Device Manager link when it appears.
Click on each of your USB ports.
In the Properties window, look for "This device is working properly."
If this is displayed for each USB port, they are not damaged, but there may be a problem with your device instead.
Click "Update Driver" next to each USB port in the Device Manager, and Windows searches for and installs the latest driver.
If one can't be found, go to your computer manufacturer's website, and download the driver there. Try to use the USB port again.
Sometimes, outdated or damaged drivers result in a non-working USB port.

Open your computer case by unscrewing or sliding off the side cover.
Use a can of compressed air to clean out the dust from inside, especially from within the USB ports.
If your USB ports are hooked up to the motherboard, remove the cable, then replace it.
These actions sometimes help to fix non-working ports.


http://askbobrankin.com/usb_ports_not_working.html

Sep 05, 2013 | Dell OptiPlex 780 Desktop Computer 1 x...

1 Answer

When i connect it to computer it shows " USB Device Not Recognized "...so i removed it and connected again but same problem...so i checked in other computers...same problem...i tried through...


click start control panel administrive tools computer management device manager scroll down universal serial bus controllers you could see a yellow question mark?

right click to reinstall drivers

if you can see your usb drive but its not working

ports(com&lpt)right click update driver if this fails to fix the problem

check the USB leads that attach to the motherboard usually red white green black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems for a computer and its parts

click start control panel administrive tools ,computer management ,device manager look through all of your devices if you see a yellow question mark?or exclamation mark ! or red x

right click to reinstall drivers

hope this helps

Jun 11, 2011 | Computers & Internet

1 Answer

Hi, i am currently am in posession of a hp tx2508ca tablet, and my built-in hp webcam isn't working. I have also noticed that i have an unknown device in my device manager under usb devices that says...


click start control panel administrive tools computer management device manager scroll down universal serial bus controllers you could see a yellow question mark?

right click to reinstall drivers

if you can see your usb drive but its not working

ports(com&lpt)right click update driver if this fails to fix the problem

check the USB leads that attach to the motherboard usually red white green black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems for a computer and its parts

click start control panel administrive tools ,computer management ,device manager look through all of your devices if you see a yellow question mark?or exclamation mark ! or red x

right click to reinstall drivers
click start control panel view devices and printers you should see your webcam from there
if you are have trouble with your webcam
click start control panel administrive tools ,computer management ,device manager scroll down image devices you could see a yellow question mark?
right click to reinstall drivers or update driver hope this helps

May 25, 2011 | Computers & Internet

2 Answers

I have a thoshiba satelite a100 laptop my problem is usb device is not working i format the laptop and then install windows xp sp3 but not solve this problem i conect any usb device then erormessege is...


To work around the above issues, one of the below solutions could prove helpful:usb-device-not-recognized.jpg
  • Unsecure or Loose Connection
    Unplug the presently connected USB device (if any). It is quite possible that the connection is not secure and has become loose. Re-plug the USB device tightly and firmly into the USB port. This is one of the most common reasons for an error in detecting a USB device.
  • Scan for Hardware Changes in Device Manager
    Use the Device Manager to scan for new and recently installed hardware. From the Start menu, select the Run option. In the pop up box, type in Devmgmt.msc and then click Ok. From the Action menu, click Scan for hardware changes. This will make Windows scan & recognize any new devices that are installed. Now, close all opened device managers and control panels. Now, follow the above step and see if your computer detects the USB device.
  • USB Hub Power Management
    Disable power management of the USB hub. To disable the power management on the USB hub, follow these steps; Click Start, and then click Run. Type devmgmt.msc in the popup box, and then click Ok. Expand the Universal Serial Bus Controllers' node, and then follow these steps for each USB Root Hub that is listed.
    1. Right-click the USB Root Hub and then click Properties.
    2. Click the Power Management tab.
    3. Click to clear the Allow the computer to turn off this device to save power check box, and then click Ok.
    Note: If you perform the following p
    To work around the above issues, one of the below solutions could prove helpful:usb-device-not-recognized.jpg
    • Unsecure or Loose Connection
      Unplug the presently connected usb device (if any). It is quite possible that the connection is not secure and has become loose. Re-plug the USB device tightly and firmly into the USB port. This is one of the most common reasons for an error in detecting a usb device.
    • Scan for Hardware Changes in Device Manager
      Use the Device Manager to scan for new and recently installed hardware. From the Start menu, select the Run option. In the pop up box, type in Devmgmt.msc and then click Ok. From the Action menu, click Scan for hardware changes. This will make Windows scan & recognize any new devices that are installed. Now, close all opened device managers and control panels. Now, follow the above step and see if your computer detects the usb device.
    • usb Power Management
      Disable power management of the USB hub. To disable the power management on the USB hub, follow these steps; Click Start, and then click Run. Type devmgmt.msc in the popup box, and then click Ok. Expand the Universal Serial Bus Controllers' node, and then follow these steps for each USB Root Hub that is listed.
      1. Right-click the USB Root Hub and then click Properties.
      2. Click the Power Management tab.
      3. Click to clear the Allow the computer to turn off this device to save power check box, and then click Ok.
      Note: If you perform the following procedure on a laptop computer, you may reduce the battery life.
    Sometimes, simply unplugging the USB device and turning off the computer for twenty minutes and then restarting may solve the issue. If none of the above options have solved the problem, check the manufacturer's website for new driver information. It is possible that your drivers need to be updated. There could also be a possibility of hardware failure, which needs to be checked by a hardware expert.
    rocedure on a laptop computer, you may reduce the battery life.
Sometimes, simply unplugging the USB device and turning off the computer for twenty minutes and then restarting may solve the issue. If none of the above options have solved the problem, check the manufacturer's website for new driver information. It is possible that your drivers need to be updated. There could also be a possibility of hardware failure, which needs to be checked by a hardware expert.

Mar 28, 2011 | Computers & Internet

1 Answer

USB ports are not working. One was working last


1. Go to Start>> Right click My Computer>> Manage>> Device Manager 2. Expand the USB Controller section 3. Right click and Uninstall all of the listed USB devices 4. Reboot the system

Mar 10, 2010 | E-Machines eMachines Desktop PC

1 Answer

Why does the usb keyboard and mouse on my MA785GM-US2H sometimes not work? If I pull out the usb connector and reinsert it (usually in another slot) it usually works again.


You may have a device conflict. I suggest going into your device manager and removing ALL of the USB devices you are having problems with - keyboard, mouse, etc. and then rebooting the machine. When Windows restarts it will auto-detect the devices and reinstall the drivers. This should resolve the problems.

If, however, this does not, then download NEW drivers for your devices from the vendors site and expand them into folders on your desktop. Go back into device manager and try UPDATING the drivers and point the installation manager to the folders that hold the drivers you downloaded onto your desktop. Let Windows install those drivers and then reboot. That should fix all problems.

Feb 13, 2010 | Gigabyte MA785GM-US2H Motherboard w/...

1 Answer

USB Connections


when you put a device on the usb slot the system will detect and check what is the device then after it identifies the device it will load the necessary drivers for it. it is possible that the system is loading a corrupt driver to drive the usb device resulting to a system halt. it could be a driver related in storage devices such as thumb drives that is causing the problem.

try to update the usb drivers using the update driver option on your device manager on usb controller.

Sep 14, 2008 | ASUS P4PE Motherboard

1 Answer

Usb ports


Reinstall your USB drivers:
Navigate to Device manager, find a branch named "USB Controllers" or similar
Right click the one thats the problem (or all of them if you dont know which), select Uninstall
Reboot your machine and windows will autodetect the USBs and reinstall their drivers.
that should work, if not let me know,
thanks.
Check the BIOS and see if they are enabled...
when you start up1.gif your laptop. it will tell you what to press to run setup
Disable power management on the USB hub To preserve power, Microsoft1.gif Window XP tries to disable USB when a device is not used. Under certain circumstances this function does not work and may cause USB devices to fail to respond when called. To resolve this issue, disable power management on the USB hub by doing the following:
  1. Click Start , and right-click My Computer .
  2. Click Properties , then click Hardware .
  3. Click Device Manager .
  4. Double-click the Universal Serial Bus Controllers branch to expand it.
  5. Right-click USB Root Hub , and then click Properties .
  6. Click Power Management .
  7. Deselect Allow the computer to turn off this device to save power .
  8. Repeat Steps 5 through 7 for each USB Root Hub.
  9. Click OK , and close Device Manager .

Jan 17, 2008 | Acer Aspire 3100-1405 Notebook

1 Answer

Usb cannot recognized


Reinstall your USB drivers:
Navigate to Device manager, find a branch named "USB Controllers" or similar
Right click the one thats the problem (or all of them if you dont know which), select Uninstall
Reboot your machine and windows will autodetect the USBs and reinstall their drivers

Check the BIOS and see if they are enabled...

Disable power management on the USB hub To preserve power, Microsoft1.gif Window XP tries to disable USB when a device is not used. Under certain circumstances this function does not work and may cause USB devices to fail to respond when called. To resolve this issue, disable power management on the USB hub by doing the following:
  1. Click Start , and right-click My Computer .
  2. Click Properties , then click Hardware .
  3. Click Device Manager .
  4. Double-click the Universal Serial Bus Controllers branch to expand it.
  5. Right-click USB Root Hub , and then click Properties .
  6. Click Power Management .
  7. Deselect Allow the computer to turn off this device to save power .
  8. Repeat Steps 5 through 7 for each USB Root Hub.
  9. Click OK , and close Device Manager .

Jan 17, 2008 | ASUS M2N-MX Motherboard

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