Win7 system does not recognize a solution that requires you to reboot your computer before you can recognize it

1, the motherboard and system compatibility issues

The most common type of failure is NF2 motherboard and USB compatibility issues, if you are on the NF2 motherboard to encounter this problem, then you can install the latest NForce2 dedicated USB2.0 driver and patches, the latest motherboard patches and operating system patches, Or not. Try refreshing the motherboard's BIOS can generally be resolved.

2, System or BIOS problems

If you disable USB in the BIOS or operating system, the USB device will not be able to identify the fault in the system, the solution is to boot press F2 or DEL key, enter the BIOS interface, and then the Enable USB device settings Select Enable, then press F10 to save it.

3, may be 0USB voltage instability caused by the port

It is recommended to restart the computer, and then the U disk drive removed, and then plugged into the computer, you can find the U disk.

4, the system is not stable

It is recommended that you reinstall the system, but it will be quicker and more convenient to get to other computers.