It just happened again, this time while the monitor was connected to the
computer. I connected the HDMI cable directly to the monitor, the
picture did not come back. I restarted the x server and it's working
for the moment.
On 8/29/18 9:44 AM,
kitepilot@kitepilot.com wrote:
> I had a similar problem.
> Several similar problems to be correct.
> I also have a NVIDIA card (ASUS laptop).
> The first time around was the TV/laptop combination.
> It just didn't want to work.
> So I got another TV.
> Which didn't work either...
> Until I replaced the HDMI cable for a better quality.
> I could not make it wort with Mint (can't remember the version) so I
> went with Ubuntu.
> Until I upgraded Ubuntu...
> Then Linux Mint worked flawlessly.
> Until I upgraded it to 18.2
> After a bloody battle I made it work.
> For the most part...
> Until I upgraded to 18.3...
> Now we are in a stalemate, where it works most of the time as expected.
> Until I *TOUCH* the connector to the laptop.
> Then the song and dance begins again...
> I haven't had to go so far as to replace the drivers (this time) but I
> can relate very well to your horror story.
> At this stage I don't know if have a weak connector, a flimsy cable, a
> cantankerous TV or I am just down in my psychotic medication and I am
> imaging the whole thing, but I have fences, and I don't breath, around
> that %$#@ connector.
> I hope this helps, but if it doesn't, I can forward you the contact
> information of my therapist.
> He doesn't know anything about HDMI, but prescribes very yummy gummies...
> :)
> ET
>
> Jim writes:
>> I have a box running kubuntu 18.04 64 bit and an NVIDIA Geforcee
>> GT520 video card. The first monitor is connected via the DVI
>> connector. The second monitor using the HDMI connector. I also use
>> the second monitor for the cable box and I have an hdmi switch to
>> connect the second monitor to the computer or the cable box.
>> The problem is that the computer doesn't recognize there's an hdmi
>> monitor connected. Sometimes it does this when I boot up the
>> machine. Sometimes when I have the second monitor connected to the
>> cable box and switch back to the computer, I don't get the second
>> display. If I'm lucky, restarting the x server will work. Sometimes
>> I have to reboot the machine. If it really wants to be a pain in the
>> ass, I have to uninstall the NVIDIA drivers, and restart the x
>> server. Then the Nouveau drivers are used and it works. That is,
>> until the next time it happens and reinstalling the NVIDIA drivers
>> fixes the problem. Until next time.
>> When it's not working xrandr says HDMI-1 is disconnected, even though
>> it is connected. Is there something I can do to restore the second
>> display without the rigamarole of uninstalling/installing drivers? I
>> tried using the second monitor's VGA input. That works, but I then
>> have to use the sound card in the computer. Because of the cable
>> box, there's an annoying hum in the audio. I can deal with that by
>> connecting a wire from the case of the computer to an alligator clip
>> which I connect to the coax input to the cable box. Then the clip
>> comes off or I bump something and that annoying hum is back.
>>
>> Any ideas? Thanks
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