Win7 system computer does not insert U disk but display usb icon how to do

  
1, open the run dialog box, enter regedit, press Enter to open the registry editor; 2, then find and expand HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServices vata or HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServices vatabus; 3, then right click Create a new DWORD value and name it DisableRemovable. Double-click it to set its value to 1, then restart the computer. After rebooting, the SATA hard disk will not become a removable device.
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