USB Device not Recognized by Vista

When USB Drive  plugged into your computer causes the sound  alert to go off but does not get recognized by Microsoft Vista.However, if you reboot your machine the device gets recognized.But it is painstaking  to reboot your Sparksspacemachine every time.This  may due to   corrupted system files .

Click the “Start” menu and type “Device Manager” in the search field to open up the Device
Manager. Navigate to the portion of the dialog box that has all your USB controllers enlisted. Right-click on all of them and delete them. Reboot Windows Vista. When Vista reboots it will detect the missing USB controllers and will add the devices automatically. This will take care of the problem if file corruption is the cause. Another means of troubleshooting a problem of this nature is to enable Write Caching.

extend Reboot your computer so that the drive gets detected.
extend Click “My Computer”
extend Right-click on the external drive.
extend Click “Properties”.
extend Click “Properties” under the “Hardware” tab.
extend Click “Change settings”.
extend In the next dialog box click the “Policies” tab.
extend Check the “Enable write caching on the disk” checkbox.
extend Once done, click “OK”
extend Reboot the system.

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