Press the Windows key+X and choose Powershell (Admin) or Command Prompt (Admin) Here type Diskpart and press Enter. type the following Bold commands pressing Enter after Each one. (ie) DISKPART > ii) list disk (ie) DISKPART > list disk It now lists disk by number you have to select the disk next with iii) select disk (ie) DISKPART> Select Disk (disk number) = as listed in previous command. The s..