You will need a usb key for this process to work
Step 1. Download Rufus from the website on google
Step 2. Download Hierens boot cd from google. The latest version is essential
Step 3. Launch Rufus and select the connected USB key ! Don’t choose the wrong one you will lose your data.
Step 4. Select the ISO Icon and a box will open to select the Hierens boot iso file
Step 5. Select the boot type “MBR” and click start. you will get a final warning the usb will be formatted.
Step 6. Insert the USB Key into the computer and restart it
Step 7. Your computer will have a “boot selection” key eg F2 or F10 just google your model.
Step8. One of the boot options will be the USB Key.
Step9. Can’t remember the name of the tool to launch should be under security… its 2AM I am tired