USB Devices Not Recognized or Displayed Incorrectly in Device ManagerAffected Products: Software
Affected Operating Systems: Windows VistaISSUE: No USB device is recognized or installs correctly through Device Manager, when attempting to install the device drivers. RESOLUTION: To resolve this issue download a hot fix from Microsoft. The hotfix can be found at http://support.microsoft.com/?kbid=940199. If the hotfix doesn't resolve the issue, try option 2.
Option 2: Remove the INFCACHE.1 file, and then connect a different USB device to force Windows to rebuild the INFCACHE.1 file.
Perform the following steps to remove and rebuild the INFCACHE.1 file.
Note: This detection issue can happen several times in a row. If so, repeat steps 1-12 until the device is detected.
- Disconnect all USB deviced except the keyboard and mouse.
- Open Windows Explorer by right clicking on Start, and then clicking on Explore.
- In the address bar, type C:\windows\inf, and then press the ENTER key.
- Locate the INFCACHE.1 file, right click on it, and then click Properties.
- In the INFCACHE.1 Properties dialog box, click the Security tab, and then click Edit.
- In the User Account Control dialog box, click Continue.
- In the Permissions for INFCACHE.1 dialog box under the Group or user names section, click Add.
- In the Select Users or Groups dialog box in the Enter the object names to select text box, type Administrators, and then click OK.
- In the Permissions for INFCACHE.1 dialog box in the Permissions for Administrators section, select to allow Full Control, and then click OK.
- In the INFCACHE.1 Properties dialog box, click OK.
- In the Windows Explorer window, delete the INFCACHE.1 file.
- Connect a USB device other than the one that Windows had trouble detecting. This forces Windows to rebuild the INFCACHE.1 file.