Win7 computer clearly does not insert U disk but shows usb icon how to do

  
1. Open the Run dialog box, type 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 to create a new DWORD value and name it. For DisableRemovable, double-click it to set its value to 1, then restart the computer. After rebooting, the SATA hard drive will not become removable.

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