Problem with installing el capitan on Asrock H170M PRO4S

My PC:
-ASRock H170M PRO4S
-Core i5-6600
-SSD Samsung 250gb
-1 x 8gb DDR4 GoodRam 2133
(All parts were taken from Buyer's guide april 2016)
I created bootable usb drive with El Capitan 10.11.4 using Unibeast 6.2.0.
After trying to boot my pc I've got this View attachment 195356

Can you help?