USB devices are detected, but I can't access any fles

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  1. is the problem solved?

  Please answer is back with the status of the issue to help you further.

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• My USB devices are not recognized, but they have a power

  My USB devices are not recognized, the only ones to be recognized are my mouse and keyboard. Each device is powered (motherboard works fine), but Windows 7 isn't their read (although sometimes I'll get a code 43). I have the latest chipset.

  I tried right click and uninstall each device and rebooted the computer. Nothing has fixed this.

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  Hello

  Please follow the methods.

  Method 1:

  Run the troubleshooter from the link.

  http://Windows.Microsoft.com/en-us/Windows7/open-the-hardware-and-devices-Troubleshooter

   

  Method 2:

  Try to uninstall and reinstall the USB controllers

  a. click the Start button.

  b in the start search box, type devmgmt.msc and press enter

  c. expand Bus USB controllers

  d. right-click on the first USB controllerr under Bus USB controllers and then click Uninstall to remove it. Repeat these steps for the entire USB under Controllers USB Bus controller.

  e. restart the computer. After the computer starts, Windows will automatically check for changes on the hardware and reinstall all USB controllers that you uninstalled.

  I would also ask you to contact the manufacturer of the computer to help.

• Error "USB device not recognized" but nothing is plugged

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  Hello

  Some USB devices are integrated as WebCam, Touchpad, fingerprint and other reader, so it could
  be people or a total glitch.

  ----------------------------------------------------------

  References to Vista also apply to Windows 7.

  Follow these steps to remove corruption and missing/damaged file system repair or replacement.

  Start - type in the search box - find command top - RIGHT CLICK – RUN AS ADMIN

  sfc/scannow

  How to fix the system files of Windows 7 with the System File Checker
  http://www.SevenForums.com/tutorials/1538-SFC-SCANNOW-Command-System-File-Checker.html

  Then run checkdisk (chkdsk).

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  http://www.SevenForums.com/tutorials/433-disk-check.html

  -----------------------------------------------

  Then lets refresh the USB stack

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  Control Panel right CLICK on EVERYTHING - Serial USB controllers - device configuration-manager and
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  This KB shows XP how to and methods of Vista and Windows 7 are the same
  http://support.Microsoft.com/kb/310575

  This is a utility to help you, but do 1 above.

  USBDeview is a small utility that lists all USB devices currently connected to your computer.
  as well as all USB devices that you previously used. Run Options and tick three 1
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  http://www.NirSoft.NET/utils/usb_devices_view.html

  You must remove all instances of the devices and restart.

  ----------------------------------------------

  If necessary try these two:

  Tips for solving problems of USB devices - and a Mr Fixit
  http://windowshelp.Microsoft.com/Windows/en-us/help/c39bd203-f729-47a4-8351-83291e13c8a81033.mspx#EGB

  Hardware devices not detected or not working - Mr. Fixit
  http://support.Microsoft.com/GP/hardware_device_problems

  I hope this helps.

  Rob Brown - Microsoft MVP<- profile="" -="" windows="" expert="" -="" consumer="" :="" bicycle="" -="" mark="" twain="" said="" it="">

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  I suggest you try the given below steps that would help you to view the details of the driver.

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  Hello

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  =========================  IpConfig ===========================

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  J W Stuart: http://www.pagestart.com

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  Hello

  I recently bought a windows mouse (Microsoft wireless mobile mouse 1000). When the connection of the transceiver nano in my computer it is unable to install the driver.

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  Robert

  Hi Robert,.

  You receive this error during the installation of other USB devices?

  Usually this kind of error messages happen when we are not connected as an administrator.

  You can read the following article and check if that helps.

  Code 28: The drivers for this device are not installed

  Please return to the State of the question.