Why is my computer plugged into USB and not shown in my computer?
Voltage instability can be like this! You are a USB or mobile hard disk?
Plug in the back, or else there is a problem with the U disk! Fix it!
Unload the exclamation point device and plug it into the mobile hard disk
You can try it the following way:First, your U disk in other computers use normal, and then use this platform is not normal.For other normal U disk, try on this computer, not yet. That would be a computer problem. Otherwise, there is a problem with your U disk. Check the U disk.Two, determine after the computer problem. Look below.Go to device manager and click the universal serial bus controller to see if there is a "USB mass Storage Device" below". If not, or if there is "Unknown Device"". Control the interface and try, and if not, check the USB settings section in BIOS.If you have USB, mass, Storage, Device, right-click, click "my computer" and go to "management" - "disk management" to see if there is your U disk. If, in your U disk partition on right click and select "change drive letter and path", "new" do not choose a letter on the line.If you want to lower your U disk, or quantitative tool, can be the first to use ChipGinus software to check the U disk main chip is what you. Then find the corresponding quantization software to quantify.
