Win7 system safely remove hardware when the hard drive and optical drive solution

1, first open the Run dialog box under Win7 system, then enter the regedit command in the run window;
2, open a command prompt window. Open the EY_LOCAL_MACHINE \\ CURRENT \\ CONTROL \\ SETSER \\ VICES \\ NVATA item in the open command prompt window.
3, then on the NVATA item, create a new DWORD value, then find an Add “ new value IL” item in the right pane, and rename it to DISABLEREMOVABLE;
4, double-click “ edit DWORD value & rdquo;, then in the value data window, change the value to 1, and then click the OK button to save;
5, restart win7 system, the system will no longer appear SATA hard disk recognition as a removable hard disk prompt.