Ubuntu GUI not working with HDMI connection

hi guys,
I installed ubuntu mate on rpi3. Rpi is powered with 2A power supply, I can access GUI through SSH connected via ethernet cable. But when i am using HDMI its showing rpi booting and then the ubuntu mate logo comes. then its just a black blank screen. please help me to solve this issue.

It’s difficult to suggest anything with no detail.
I assume you mean you can access the OS via SSH even if your attached monitor is black - that’s good, as it probably means that you can get it working via settings in /boot/config.txt
Have a look at the stuff on elinux.org about config.txt
Perhaps the output from tvservice -s will give a clue as to the problem solution
HTH
Derek

hi,
@dandnsmith thanks for the reply and sorry for my delayed responce. i am getting “state 0x120006 [DVI CEA (16) RGB lim 16:9], 1920x1080 @ 60.00Hz, progressive” from ‘tvservice-s’.
And i tried uncommenting ‘hdmi_force_hotplug=1’ and ‘hdmi_drive=2’.
Its still the same.

On one system I get:

state 0x12000a [HDMI DMT (35) RGB full 5:4], 1280x1024 @ 60.00Hz, progressive

This is with a VGA monitor connected to HDMI via an adaptor, and config.txt modified to force this state.

sdtv_mode=2 hdmi_force_hotplug=1 hdmi_drive=2 hdmi_force_edid_audio=1 hdmi_group=2 hdmi_mode=35
The last 2 are just for my particular monitor
I seem to remember that I had a CEA mode at one stage, and things didn’t work
HTH - sorry, but I’ve been away for a week
Derek

hi derek,

Thanks for your guidance sdtv_mode=2 helped me.