Thanks for the reply. Yes, when using the integrated graphics, I remove the RX580 card first. I would expect that with no card detected, the integrated graphics would start right away, but it's off until it reached the X11 display manager
Motherboard: MSI B250M - BIOS E7A65IMS.140 27/06/2017
CPU: Intel i5-6400
GPU: MSI RX580
RAM: Kingston DDR4 2x16
Power Supply: Corsair CP-9020102-UK CX550M 550 W 80
OS: Arch Linux
Windows manager: QTile on X11
Two months ago everything working fine, using the RX580 on HDMI. I turned it off...