There is a sound prompt when inserting a USB flash disk under win10 system, but the drive letter is not displayed

Problem description

laptop , System win10, Insert before U The disk can display the drive letter , As a result, I don't know how to get , Insert U After the dish , Only sound prompt , There is no drive letter in my computer , I can't find it in disk management .

After testing with the driver master , There is no lack of drivers ！

solve

A lot of ways , The final solution is as follows , With win10 For example

Reference resources

In Device Manager

1. With Win10 For example , First, we right-click “ This computer ”, Selective management , In the computer management interface , We click “ Device manager ”, And unfold “ Universal serial bus controller ”, find USB Mass storage devices , As shown in the figure below .

2、 If the “USB Mass storage devices ” The device will have a downward arrow icon , Then right click , Select enable device .

3、 If the “USB Mass storage devices ” The device does not have a down arrow icon , Then select it and right click , Select uninstall device .

My computer has no down arrow , This is the third case , Just uninstall

4、 We can also do that Win10 Get into “ service ” To operate ,Win+R Open the run window , Enter the command services.msc, And click OK , You can open it Win10 Yes , We found one named “Plug and Play” Services , See if this service is started , If not started , Let's double-click “Plug and Play” Services , In the startup type option , It is amended as follows “ Automatically ”, Click ok .

Perfect solution