Keyboard and trackpad suddenly not working, not software related.

Hi guys!

Recently my macbook air 13" 2013 keyboard and trackpad stopped working.. did try to delete plist files and doing a clean install of 10.11 and still not working (got one keyboard and mouse via usb and they work) hardware test says nothing is wrong and internal keyboard & trackpad work on AHT, boot select menu, and before doing clean install they worked on login screen..

Any help is welcome !

Edit: SMC Reset and PRAM reset already done.