The computer is not normal, the beginning of the USB printer is not recognized, reinstall the operating system and install the printer driver, the printer is normal, but there has been a U disk can not be identified. I found some information on the Internet, but still can not solve it. I have no problem with my U disk.
If you plug in the box behind the U port can not identify, and then assume that you U disk no problem.Then your computer motherboard is out of order
Is the USB power supply problem, in the hardware test to see the device manager in the universal serial bus controller under the USB driver is normal, go to BIOS to check whether there is a ban on the use of the USB option. And want to ask your computer several USB mouth, whether it is this problem?. If you can, please ask me.
Is your computer a desktop? Yes, you can use the U disk on the back of the host USB. to see if it can be used
1, move the mouse to the computer icon, right-click it, and select properties".2, in the "computer properties" page, select the "set manager" option on the left.3, in the device manager page, click open the universal serial bus controller settings, click USB Root Hub object, select the disable options.4, disable the USB Root Hub object, right-click it again, and select the enable option.This would solve the problem of the system does not recognize the U
