I'll second trying different cables.  I've had several different cables 
on my 4K TV turned monitor and only one of them works.

Brian Cluff

On 03/24/2016 11:22 AM, Michael Butash wrote:
> I had an employer get me a nice laptop years ago as their default was a
> pos, an asus ultrabook that this sounds a lot like.  It was entirely
> wrought with issues I never could resolve trying to make ubuntu work on
> it from suspend issues, display glitches, gpu driver issues, efi
> weirdness (no legacy boot options), and in general, pretty disgraceful.
> I think at the time I was using 12.04, ended up going into 13.10 to see
> if a newer kernel helped anything, and finally gave up, letting a ~$3000
> waste in my desk as useless using my crappy business hp laptop until I
> moved on.
>
> Sadly, asus seems to be the new toshiba with laptops and linux for
> bugginess and giving a rat's ass to make compatible hardware for
> anything other than windoze.  I remember even nouveau freaking out to
> even install the os from an ubuntu desktop cd to install it, took like 6
> hours with the cpu pegged at 100%...  DI-based installs for some reason
> I don't remember didn't work either.
>
> Never again Asus laptops here...
>
> That said - Cables are a huge issue with 4k tv's - I'd suggest getting
> some of the cables like monoprice sells with the active Cabernet chips
> in them, as supposedly they work better when dealing with hdmi2.0 + hdcp
> garbage, and keeping stable at real 4:4:4 mode, especially with distance
> more than 2m or so.
>
> Other than that, best to use xrandr to probe the monitors, and watch
> your xorg log files to see what it's doing when they connect.  If
> nothing, it could be the bumblebee bit (worst buggy things I've seen in
> forever this dual-gpu nonsense) not switching cards appropriately, but
> if xorg sees the monitor, and xrandr can confirm it sees the display, it
> *should* work.
>
> -mb
>
>
> On 03/24/2016 02:46 AM, kitepilot@kitepilot.com wrote:
>> Well...
>> Flabbergasted...
>> I installed last Kubuntu at home and everything worked as advertised.
>> Then I connected to the TV I bought as a monitor and DOESN'T $%&K!NG
>> WORK!
>> 8-(
>> Window$ works flawlessly, but Linux doesn't...
>> What's different between the TV at home and this one?
>> Beats me...
>> ET
>
> ---------------------------------------------------
> PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org
> To subscribe, unsubscribe, or to change your mail settings:
> http://lists.phxlinux.org/mailman/listinfo/plug-discuss
>
---------------------------------------------------
PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org
To subscribe, unsubscribe, or to change your mail settings:
http://lists.phxlinux.org/mailman/listinfo/plug-discuss