Upgrade asrock h81 pro btc r2 problems

Hi,

i just upgrade my rig and facing some problems

  • cannot start without monitor connected into main card on pcie x16, with a monitor attached, rig works but without , no boot

  • reboot/shutdown commands doesnt work anymore

maybe something in the bios to change? thanks for your help

Go to mobo bios and change primary graphic adapter to On Board Device