Many colleges, including mine, blocks USB Ports. By this we are not
able to use pen drive or other USB enabled portable devices. The ways
by which the USB ports are disabled by Administrator are many. In this
article I mentioned some ways to unblock Pen Drive USB Port in
Colleges. Hope you won’t misuse them. Here are the 3 ways.
1. By Disabling USB Ports from Device Manager.
2. By Tweaking Registry values for USB Mass Storage Devices.
3. By Un-installing the USB Mass Storage Drivers.
Unlock USB ports from device manager:
1.Go to Run and type "Devmgmt.msc” and press Enter.
2. Go to Universal Serial bus Controller. See if there are any red
colored cross? If yes, right click and enable those USB Ports.
Now try and use the pen drive. If it works fine, then great, else read the next two steps also.
Correct Registry Value for USB Mass Storage device
1. Go to Start > Run , type "regedit” and press enter, this will open registry editor.
2. Navigate to the key HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR
Now remove and connect the pen drive again, it should work fine, if
it does not, then it means the drivers are missing. Follow the steps
below to solve the issue.
Install USB Mass Storage Device drivers
In case the USB Mass Storage drivers are not installed, windows will
prompt you to install the driver. In such a case, windows will launch
Hardware Update Wizard. If you have USB Mass storage drivers, you can
install it and restart the computer, it should work. If not, you can download the USB Mass Storage drivers here. Download and uznip the driver files on your desktop.
i) In hardware update wizard, Select the option to install the driver from a specific location and click next.
ii) Now on this screen, click browse and select the path on which you have un-zipped the drivers and press ok.
NOTE: Windows may give you a warning that the drivers has
not passed Windows logo testing, so stop installation or Continue
anyway, Select Continue anyway to complete installation.
Now restart your computer and re-insert your pen drive, it should now work.