Boot laptop from external hard drive

broken image
broken image

I’m assuming that F is your drive letter with Windows 8 ISO image and G: is the location of your external hard disk (or flash drive). Step 3: Make The External Hard Disk Bootable If you don’t have a physical optical drive you should mount the image into a virtual drive. Step 2: Mount The Windows 8 ISO Image Into A Virtual Drive If everything goes well, this is how your cmd screen will look like Please be careful using the select command (so you don’t select and format your hard disk instead) You have to replace it with the corresponding letter from your own system). Select disk z (where z is the number corresponding for your USB disk. You can do that by pressing WINKEY+R, right click on the listed file and click on “ Run as administrator“.Įnter the following commands in the same order as I did here: Just place the flash drive in the USB port of your computer.