Fully work EFI partition dump for HP ProDesk 400 G2 MT with sleep and wake works
-you need to connect display with DisplayPort, don't try VGA I spend 2 week for that
-bios settings is default, check VT-d is off
-my config is i5-4590S, 8GB RAM, 1TB Samsung HDD, DELL S2340L
-if u want to use it...