How to resolve the Win7 system can not safely uninstall (delete) U disk

1, first check whether the U disk icon set to "Do not display", click on the taskbar in the triangle symbol "custom", see if there is the icon, and then change it to "Display icon and notice";

2, not the above reason ha, then try to turn off the SSDP Discovery service and then reopen it by opening the Run option in the Start menu, entering "Services.msc" in the Run dialog box, and then finding and double-clicking in the list of services SSDP Discovery Service, set its service status to "Stop" and then "Start", and then restart or logout login to try.

3, not yet, the Universal Serial Bus controller to remove all the drivers, and then restart the computer, so that the system will automatically reinstall the drivers of these devices, and finally you can reinstall the motherboard chipset driver, the problem should be resolved.