Computer can not detect the U disk troubleshooting

New bought a U disk, with a few days, it was found that the computer can not detect U disk. is the u disk broken? It should not be possible, the purchase is authentic, so a series of troubleshooting work to find out where the problem lies. Now let's take a look at the general steps of the investigation.

First, the identified USB devices can be used (such as: USB mouse, u disk, USB keyboard, USB camera, etc.) into the unrecognized USB interface, the purpose is to detect whether the USB interface is damaged.

Second, the U disk in the confirmed good USB interface inserted, to observe whether the U disk has a reaction. This can know whether it is a U disk problem.

Third, enter the BIOS to see if the USB is disabled.

Four, the system Device Manager in the USB driver reinstall the motherboard driver, note that the installation drive must restart the computer.

Five, then look at the system has no virus, of course, the virus will not affect the USB is not recognized. But use antivirus software to check. is the best.

After five of these, we will be able to quickly know what the problem is.