Free USB-device not recognized-message to the solutions.

They did not get the message that the people at the top of the computer using USB khojem not found. If you lose your deviced , the board will be the solution if you do not have that problem.I found the solution of some of the topics of the discussion itself.

1. Start> Run to OK Go Devmgmts.  msc write. Device Managers  window will appears.

2. " Universal Serial Bus controllers " click on the  +.

3. USB Root Hub and right click and go to Properties. USB Root Hub Properties dialog box appear.

4. Power Management tab on the Click.

5. "Allow the computer to turn off this device to save power check box" up to the mark with the right to OK.

6. as "USB Root Hub" (possibly 5) in all tasks from 3 to No. 5.

7. On the Action menu, please click on the Scan for hardware change. Turn off the device-manager of the jobs.

8. Some (XP) User says the C: \ WINDOWS \ inf addresses usbstor.inf and usbstor.pnf (hidden) files have been deleted. As a results , no USB-petana their PC. Copy and paste the files after they have another place. The are the solution.

9. atramana virus, AntiVirus scanning, a new program to install Windows to a lot of important files Replace , Upgrade or Deletes is. No. 4 as a result of the missing file that can cause problem. This file is like to be missed if you can install the Windows repairs or new. Repair or install the new task is mores effectived than the following 6.

10- Microsoft also updated as the solutions suggested to use the service pack.

Some experts take the USB port, this problem may occur in the debris. Occasionally the whole motherboard -USB portasaha so well to be fair.