Huge issue installing windows 10, window cannot be installed on drive 0 partition 2

Daniel_186

Commendable
Mar 17, 2016
2
0
1,510
I've lately been trying to upgrade to windows 10, which is available for free.
Since i have been using windows 7 for more 2.5 year on my desktop computer, I thought that now was a good time to do a fresh reinstall of windows from 7 to 10.
So I did a backup of all my important data to an external HDD, so they're all safe. I then tried to make a true clean install following this guide: https://youtu.be/K0oUuUsH4As?t=8m45s

Then THIS happened!!
https://imagizer.imageshack.us/v2/1305x979q90/923/LUiWpH.jpg

How do I fix this?? please help

My computer:

Core i7 4770K
Asus Z87-Pro
16 gb ram
2x GTX 780 SLi
2x Samsung 850 250 gb SSD's (no RAID)
Corsair AX850W PSU

 


Then how do I change MBR to GPT??