Insert the USB computer without any response, no sound no disk icon, how to do
There is no response to the U disk inserted on the computer. The concrete solution is as follows:1, in Windows explorer, into the "system disk: WINDOWSinf" directory, find the file named "Usbstor.pnf", right click on the file and select "properties" in the pop-up menu, and then switch to the "security" tab, select the user name in the group or user name box for example, "USER", then "USER permissions box, uncheck the" full control "behind the" reject "checkbox, and finally click" OK "button (Windows XP must use the NTFS file system).2, click "start to run", enter regedit, open the registry editor. In order to start the "HKEY_LOCAL_MACHINESYSTEMCurrentControlSet ServicesUSBSTOR", to find the "Start" button, double-click to open, if its value is 4, modified to "3", click "OK" button, you can restart Windows.3, in setting USER permissions, you should look at the user name, whether or not to refuse to hook, and if not, then perform the next step, and then try the following steps.4, pull out all USB devices - shutdown - unplug the power (notebook to unplug the battery) - press the boot button 5-6 - boot, re insert the USB device5, right-click on [my computer] - [device management] - [universal serial bus controller] - right [Intel (R) 82801...... [update driver] [install from list or location (Advanced)] don't search, choose Standard Universal PCI USBHost Controller to
A U disk may be bad, or is this your computer does not recognize you that u, u some 64, some 32, there may be USB is not installed on your computer to drive, drive or damage.
Is your U disk available on another computer?Computer, there are other USB mouth, you have not tried all?
U disk regardless of the number of bits, determine if not computer interface and U disk to download a worst case called "Driver Wizard" software, installed after the first plug in the U disk, and then open the software testing look there did not install the driver, usually detected after the installation is good if not, it is estimated that the interface or U disk problem
Check drive.Open device managerMy computer - right - management.A computer administration will be opened. There is a device manager under the system tool.Find - universal serial bus controller.Check to see if it has been deactivated. Enable if yes.If enabled, there is no way.View registryHKEY_LOCAL_MACHINESystemCurrentControlSetSericesUSBSTORFind Start to see if the key value is 4. If so, change to 3If it still doesn't work. Connect the back of the chassis with the USB interface.Again, it proves that your U disk is out of order
