How to block/unblock usb port

Many times you might observe that your pendrive is not detecting in your college lab or cyber cafe or schools etc places.Have you ever think how it is happens?After reading this post you may got surprised because it is very simple trick.

For block/unblock USB port, there is three differnet methods.You can choose whatever you want.

(1)DISABLE THROUGH REGISTRY EDITOR:-

->Open Run window and type regedit  and press enter

->nevigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlset\Services\UsbStor

->Double click on Start (right side)

change value to 4 and select hexadecimal(if not selected).

Done!!

to enable it:change value to 3.

(2)DISABLE THROUGH DEVICE MANAGER:-

->Open Run window

->type devmgmt.msc and follow the step shown in image

(3)DISABLE THROUGH BIOS:-

->At system startup press DEL or F2 key to open BIOS settings

->In BIOS find advance settings or Onboard devices menu(change with BIOS manufacturer).

->Find USB configurations and Disable USB controllers to disable all USB ports.

Change it to Enable if you want to enable.

Categories: TipsandTricks, Windows