How to disable the USB interface of the computer through the registry and group policy to prevent the use of USB flash drives

With the popularity of mobile storage devices, USB flash drives have become an indispensable tool in daily life, but they also bring security risks, such as virus transmission and data leakage. In order to deal with these problems, PHP editor Youzi introduces you two methods to disable USB flash drives: through the registry and group policy, we provide you with detailed step-by-step guide to help you prevent potential risks caused by USB flash drives and ensure the security of your data. .

Tool materials:

System version: Windows 10 20H2

Brand model: Lenovo ThinkPad X1 Carbon 2021

Software version: No additional software required

1. Disable the USB interface through the registry

1. Press the "Win R" key to open the run dialog box, enter "regedit" to open the registry editor device.

2. Navigate to the following path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR

3. In the right window, find the "Start" key, double-click to open it, and modify its value to "4" and click "OK".

4. Restart the computer, the USB interface will be disabled and the U disk cannot be used.

2. Disable the USB interface through Group Policy

1. Press the "Win R" key to open the run dialog box, enter "gpedit.msc" to open the Group Policy Editor.

2. Navigate to the following path: Computer Configuration\Administrative Templates\System\Removable Storage Access

3. In the right window, find "Disable access to all removable drives except floppy drives" Media Drive Access", double-click to open it, select "Enabled", and then click "OK".

4. Restart the computer, the USB interface will be disabled and the U disk cannot be used.

3. How to restore the USB interface

1. If you need to restore the use of the USB interface, you can follow the following steps:

2. If the USB is disabled through the registry interface, you need to change the value of the "Start" key to "3" and then restart the computer.

3. If the USB interface is disabled through group policy, you need to set "Disable access to all removable media drives except floppy drives" to "Not configured", and then restart the computer.

Content extension:

1. In addition to disabling the USB interface through the registry and group policy, it can also be achieved through third-party software, such as USB Blocker, USB Disabler, etc.

2. Although disabling the USB interface can prevent the use of USB flash drives, it will also bring inconvenience to daily work, such as being unable to use USB devices such as mice and keyboards. Therefore, before disabling the USB interface, you need to carefully consider whether it is necessary.

3. If it is just to prevent the use of a specific U disk, you can consider encrypting the U disk or using U disk management software, such as U disk encryption master, U disk guard, etc.

Summary:

Disabling the USB interface through the registry and group policy is an effective way to prevent the use of U disks, but it will also bring inconvenience to daily work. In practical applications, you need to weigh it according to the specific situation and choose a solution that suits you. At the same time, you can also strengthen the security management of USB flash drives through other methods, such as encryption, using management software, etc. In short, only by raising security awareness and taking preventive measures can you truly protect your data and equipment.

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