Win7 system exits the USB flash drive and reinserts the computer and cannot be used.

Win7 system exits the USB flash drive and reinserts the computer and cannot be used.

1. Disable/enable the USB flash drive device

The U disk is unable to be used again. It is mostly a system error. After exiting the U disk, it is plugged in again. The system does not get a timely response, so it cannot be used again. The solution is to disable/restart once.

Specific steps: first open the "Start" menu> control panel” program, enter, set the icon type to large icon, and then select “system”

2, after entering the system window, you need to enter the device manager, but the Win7 system into the device manager is not the same as XP, in the system window, there is no "hardware" this item, but In the options on the left, find the "System Advanced Settings" item, first open this item;

3, here, will enter the system properties window, then select “ Hardware & rdquo; This tab, in the hardware option interface, select the device manager project, and then under it, find and click "Device Manager";

4, to the device manager interface Here, the computer is a centralized place for all hardware devices. Here, you can uninstall or update the hardware drivers, as well as the resources occupied by all hardware devices.

In this interface, find the universal serial bus controller, find all USB Root Hub devices in the device below it, right click, select “disable", then right click, then < Enable ” Once, all USB Root Hub devices should do this once.

Note: Don't disable the error. If the USB mouse is disabled, it will be troublesome. You need to re-enable it in safe mode. To see the following experience, it is best to read this experience first. , then disable the USB Root Hub.

5, after the above settings, then plug in the U disk, then, in the "My Computer" or "Computer" window, you can see the U disk The icon is up and can be used.