The U disk cannot be opened or recognized after being inserted into the computer. Here are some simple repair methods.

U disk cannot be recognized has become a common problem that troubles many users. Solutions to this problem can often be daunting, especially for people who are new to computers. don’t worry! PHP editor Xiaoxin here provides you with several simple and effective methods to solve the problem of unrecognized USB flash drive step by step. From checking the physical connection to formatting the USB flash drive to using command line tools to troubleshoot, this article will analyze each method for you in detail. Come and continue reading to bring your USB flash drive back to life!

Tool materials:

System version: Windows 11 / macOS Monterey 12.3

Brand model: Kingston DataTraveler Max 256GB / SanDisk Extreme Super Speed ​​USB 3.2 256GB

Software version: DiskGenius 5.4.2 / Disk Utility macOS built-in

1. Check the physical connection of the U disk

1. When the U disk is inserted into the computer When it cannot be recognized, first check whether the physical connection between the USB flash drive and the computer is normal. Try inserting the USB flash drive into another USB port on your computer to see if it can be recognized. If the USB flash drive can be recognized normally after changing the interface, it means there may be a problem with the original USB interface.

2. Check whether the connection between the U disk and the USB interface is loose. If it is found to be loose, you can try re-inserting and unplugging it several times to ensure that the connection is stable. Also check whether the metal contacts of the USB flash drive are oxidized or stained. If necessary, you can gently wipe the contacts with an eraser.

2. Check whether the U disk is recognized by the system

1. Under the Windows system, right-click "This Computer" and select "Manage" to enter the "Computer Management" interface. Select "Disk Management" under "Storage" on the left and check whether the USB flash drive appears in the disk list. If the USB flash drive appears in the list but does not have a drive letter, you can try assigning a drive letter manually.

2. Under macOS system, open the "Disk Utility" application and check whether there is a USB flash drive device in the external device list on the left. If the USB flash drive appears in the external device list but is not mounted, you can select the USB flash drive and click the "Mount" button at the top to try to mount it manually.

3. Use third-party tools to repair the U disk

1. If the above method cannot solve the problem of the U disk not being recognized, you can try to use third-party disk tool software to repair the U disk. Under Windows systems, you can use tools such as DiskGenius to try to repair the USB drive. Through the "Partition Table Doctor" function of this software, you can try to repair the partition table error of the U disk.

2. Under macOS system, you can use the "First Aid" function of Disk Utility to perform first aid on the U disk. Select the unrecognized USB flash drive and click the "First Aid" button at the top to start the first aid process. This function will try to repair the file system error of the USB flash drive. If the USB flash drive still cannot be recognized after first aid, you may need to consider formatting the USB flash drive.

Content extension:

1. Regular error checking and maintenance of the U disk can prevent the U disk from being recognized to a certain extent. Under Windows systems, you can right-click the USB flash drive, select "Properties", and click the "Error Check" button under the "Tools" tab to scan and repair errors on the USB flash drive.

2. In order to avoid the loss of important data, it is recommended to back up the important data in the USB flash drive regularly. Important files in the USB flash drive can be backed up to the computer hard drive, cloud disk or other external storage devices. In this way, even if there is a problem with the USB flash drive, important data will not be lost.

Summary:

U disk cannot be recognized is a common problem, don’t panic when encountering this situation. By checking physical connections, system identification, and using third-party tools, most unrecognized USB drives can be repaired. In daily use, you should develop good habits of regular maintenance and data backup to effectively reduce the risk of unrecognized USB flash drives. If you encounter a USB flash drive that cannot be repaired, it is recommended to replace it with a new one in time to avoid data loss.

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