What is a device that is not working properly?

one driver not properly installed or working

Check the method is my computer right----management----Device Manager below to see if there is a yellow exclamation point, then your driver does not work properly. If this happens, reinstall the driver, and you can use the master driver upgrade to install the driver.

　　The device is disabled in the second Device Manager

The check method is my Computer right key----Management----Device Manager to view the appropriate hardware information on the right key properties enabled or disabled. (If the right button appears to be booting, then your driver is disabled and you need to enable it.) If the display is disabled, it means that the drive is working properly. This occurs, you can start the device.

　　Three BIOS inside the device is disabled

The possibility of being disabled in the BIOS is very small, you can enter the BIOS, find the device to see if the status is "Disable", if it is changed "Disable" for "Auto" to save.

　Four failed to use hot-swappable devices normally

When the user is using a hot-swappable device with a USB interface, according to the Windows system default requirements, when you no longer use the device, you should click the left mouse button on the taskbar's USB icon, select "Stop" or "eject" the device in the pop-up menu, when you do not install this step, directly unplug the device, There will be a situation where the device is not working properly. This occurs when you can reinsert the device, then deactivate the device as required by the Windows system, and then unplug it from the USB interface.