Since Microsoft Windows 10 has release the Free Upgrade, lot of users experienced a slow down in the system. So here is the tutorial to demonstrate how to clean install the windows from the upgrade.
This video also fixes the UEFI boot error or STILL BOOT DEVICE NOT FOUND when inserted the bootable DVD/USB.
Video Tutorial :
Step By Step Procedure :
Step-1: Make a USB Bootable Disk Using RUFUS
To make the USB bootable first we need to format the USB in GPT partition scheme. Then follow step-2.
Step-2: Disabling the Secure Boot option in BIOS
Step-3: Now boot from the USB Drive
Step-4: Fixing the Windows cannot be installed on drive 0 partition 1
At the screen where it ask you to choose which drive to install Windows on, press Shift+F10 and a DOS window should open
type: list disk (you should see only Disk0)
type: sel disk 0
close the DOS window
click on Refresh, select the disk that is listed, and click Next.
Step-5: Installing Windows 10
Step-6: Finally we have clean installed the Windows 10