A friend encountered a situation where the USB flash drive could not be read. What should he do?
Solution to the problem that the USB disk cannot be read:
1. Antivirus: Due to the increase in our dependence on U disks in our daily work, more and more U disk viruses are infecting our U disks. If the U disk cannot be read due to poisoning, we can try to use anti-virus software to anti-virus the U disk. It is recommended to use a special U disk anti-virus tool to detect and kill U disk viruses.

2. Format: This should be the simplest solution, but it is also the solution that you least want to use, because once formatted, the data inside will be lost. If there are no important files in your USB flash drive, then you can try to format your USB flash drive.

3. Low-format repair: When you open the U disk and it prompts that you need to format it but it cannot be successfully formatted, you can use a low-format repair tool to repair it. Some U disk merchants will also provide some similar software. It is recommended to use mformat here because it is simple, convenient and fast to repair.

4. Send for repair: If your USB flash drive has a hardware failure, in order to protect your USB flash drive data, it is not recommended that you perform other operations on the USB flash drive to avoid secondary damage. Send it to a repair professional in time, and the data may be restored. If that doesn't work, just buy a new one.
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