Select the “Mass Storage Media” from the list to start the Windows 10 installation. Now you can reboot your PC and when press F12 to select a boot media when the PC is about to start.1 for the first partition in the external hard drive. 1 and the “list partition” displays the partition no. For this, in the elevated command prompt we give these commands:Īssuming that “list disk” displays the external hard drive as the disk no. Now we have to use the diskpart tool to make the partition on external hard drive bootable.Assuming F: is the drive letter for your external hard drive, give the following commands: Then extract all the files from the ISO to the external hard drive. Right-click on the Windows 10 ISO image file, select 7-Zip → Open Archive.Select file system to be NTFS and choose Quick Format in the formatting dialog. Right-click on the external hard drive in File Explorer and select Format.
Here are the steps I took to successfully install Windows 10 using an external hard drive:
So I decided to use my external hard drive as the installation media to install Windows 10 on my new laptop. I have USB 2.0 pendrives but they are very slow when copying or reading files. I have used it to install Windows a zillion times. It so happened this week that my old favorite USB 3.0 pendrive stopped working.