Win7 system settings only read the specified USB drive and other U disk is not available method

　Win7 system settings only read the specified USB drive and other U disk is not available method

1, the U disk first inserted into the Win7 system, so that the system can normally use U disk, and then into the "Control Panel", double-click the "Device Manager", in which to expand the "portable Device", you can see that there are your U disk.

2, click on the right mouse button to select "Properties", in the Pop-up Properties window, click the "Details" tab, and then select "Hardware ID" in the Device "Properties" drop-down box, and a string will appear in the value below, which is the hardware ID of your USB drive, which is copied and saved.

3, also need to replicate "Universal Serial Bus Controller" in the "USB Mass storage Device" Hardware ID, in Device Manager, expand the Universal Serial Bus Controllers list, locate the USB mass storage device, and click the "Details" tab in its Properties window. Copy its hardware ID and save it.

4, find the hardware ID of U disk can be achieved through Group Policy. "Start → run" enter "Gpedit.msc" to open the Group Policy window, expand Computer configuration → administrative Templates → system → device installation → device installation restrictions, double-click on the right "prohibit installation of devices not described by other policy settings", select "Enabled" in the pop-up window, then click "OK" button , set it to disable USB devices that are not described by the policy.

By setting up only read the set U disk, so that others even if you insert a USB stick to the excuse, do not worry, because the computer does not read! Other series of systems can also be set up, that is, there are some different operating interface! Can be your own reference!