Have you ever encountered an “Access Denied” prompt after inserting the USB flash drive into your computer? This can be a frustrating experience. In this article, PHP editor Youzi will delve into the reasons why U disk access is denied and provide practical solutions.

Tool materials:

System version: Windows 10 20H2

Brand model: Lenovo Xiaoxin Pro 13 2022 model

Software version: DiskGenius 5.4.2.1239

1. The reason why access is denied after the U disk is inserted into the computer

1. The file system of the U disk is damaged: When the file system of the U disk has an error or When damaged, the computer may not be able to read the USB flash drive normally, resulting in an access denied prompt.

2. The U disk is not assigned a drive letter: If the U disk is not assigned a drive letter, the computer cannot access the data in the U disk, and access is denied.

3. U disk read and write permission issues: When the U disk read and write permissions are set incorrectly, the computer may deny access to the U disk to protect data security.

2. How to solve the problem of access denied after inserting the U disk into the computer

1. Repair the U disk file system: Use the disk check tool that comes with Windows or third-party software such as DiskGenius to check the U disk. Perform error checking and repair on the disk to restore file system integrity.

2. Assign a drive letter to the U disk: right-click "This Computer", select "Manage", enter "Disk Management", find the U disk that does not have a drive letter assigned, right-click the U disk partition and select " Change drive letter and path" to assign it a drive letter.

3. Check the read and write permissions of the U disk: right-click the U disk, select "Properties", switch to the "Security" tab, and check whether the current user has read and write permissions. If not, you can click "Edit" to modify.

3. Measures to prevent access denied after the U disk is inserted into the computer

1. Safely eject the U disk: After using the U disk, be sure to use the "Safely Remove Hardware and Eject Media" button method to eject the USB flash drive to avoid file system damage.

2. Regularly check U disk errors: Regular error checking and repair of U disk can effectively prevent access denial problems caused by file system damage.

3. Be careful to modify the read and write permissions of the U disk: Unless necessary, do not modify the read and write permissions of the U disk at will to avoid security risks or access problems.

Content extension:

1. If the above methods cannot solve the problem of U disk access being denied, you can try to access the U disk on another computer to rule out that it is caused by hardware failure. question.

2. When formatting a USB flash drive, it is recommended to choose exFAT or FAT32 file system to ensure better compatibility and stability.

3. Regularly backing up important data in the USB flash drive can effectively prevent data loss. Even if access is denied, the data can be restored from the backup.

Summary:

It is a common problem that prompts access denied after the U disk is inserted into the computer. The main reasons include file system damage, no drive letter assigned, and incorrect read and write permission settings. This problem can be effectively solved by repairing the file system, assigning drive letters, and checking read and write permissions. At the same time, developing the habit of safely ejecting USB flash drives, regularly checking for errors, and carefully modifying read and write permissions can prevent such problems from occurring. I hope this article can help everyone better understand and deal with the problem of USB flash drive access being denied, and improve the usage efficiency and data security of USB flash drives.

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