Hello Did you try to enable from xrandr command the hdmi port ? at least xrandr --output HDMI1 --auto ?
I've had something more or less similar with an dvi port. mode auto solved the issue. > ---------------------------------------- > From: Xavier OB <xavieropenbsdquesti...@gmail.com> > Sent: Thu Jun 09 16:49:06 CEST 2016 > To: <misc@openbsd.org> > Subject: no image on external monitor via HDMI output in X > > > Hi , > > > I install a fresh new OpenBSD 5.9 on this machine http://sprunge.us/gRJU . > > When X start, I get this log: http://sprunge.us/ZaUM > > I fix the "(WW) checkDevMem: failed" problem setting > machdep.allowaperture=1 in /etc/sysctl.conf with same problem, no > image on external monitor via HDMI output. > > The xrandr log is http://sprunge.us/VQGV . > > Hmmm, any idea ? Thanks. > > > See you. > Cordialement Francois Pussault 10 chemin de négo saoumos apt 202 - bat 2 31300 Toulouse +33 6 17 230 820 +33 5 34 365 269 fpussa...@contactoffice.fr