USB (pen) drive not detected by computer
To solve this Problem we have yo make following procedure
Click on the Start Button – select Control Panel – and then click on Administrative tools. Here, click on Computer Management. In the Computer Management window,expand Storage (click on the + sign next to it) and click on Disk Management. This will open up the Disk Management (local) snap in window.
Now, on the lower half of the right-side of the same screen, you will see that your USB / Pen-drive is listed as a removable drive. (In case you are not able to see it there, click on the + sign next to “Removable storage” and expand it.
You should typically see it listed as a removable disk and called Disk 1 or Disk 2. All you have to do is to right-click on it and select the “Change drive letter and paths” option and select a different drive letter for your pen drive. For example, if it is calledDrive F, you can choose any other drive letter, let’s say, Drive G.