If the USB flash drive won't open, you can try the following solutions:
1. Check the connection of the USB flash drive: Make sure the USB flash drive is properly connected to the USB port of your computer. Try to use another USB port for connection, or connect the USB flash drive to another computer for testing.
2. Check for physical damage to the USB flash drive: Check the USB flash drive for visible physical damage such as broken, bent or damaged connectors. If there is physical damage, it is recommended to send the USB flash drive for repair or replacement.
3. Restart your computer: Sometimes, the USB port of your computer may be faulty, restart your computer and try to turn on the USB flash drive again.
4. Check if the USB flash drive is formatted: If the USB flash drive is not formatted or formatted incorrectly, it may not be able to be accessed properly. Try to reformat the flash drive on your computer, but please note that this operation will empty all data on the flash drive, so make sure you have backed up your important data before formatting.
5. Make sure the USB flash drive driver is installed: In some cases, the USB flash drive may need to have a specific driver installed in order to work properly. Please go to the USB flash drive manufacturer's official website to download and install the appropriate driver.
If none of the above methods solves the problem, the USB flash drive may be damaged beyond repair, so it is recommended to replace it with a new one.