I checked my setup and I am set to Discrete Graphics in BIOS, not Hybrid.
So the Intel firmware should not really matter, it should be all nvidia. I
am using the x-org open-source driver for the nvidia card, not the
proprietary nvidia one.
16.10 and 17.04 do have their issues on the P50, most
Upgrading to a non-LTS version has it's downsides, and I have read
reports of people that experience the same problems after upgrading up
to 17.04.
I now installed an Intel version of the 21.20.16.4590 driver for Windows
10 from the Lenovo website, but it's actually not meant for the P50
laptop
I would say to try 16.10 or 17.04 if you can, or upgrade the 16.04 kernel.
Sad to say I was never really sure what fixed it for me, one day it was
just better.
I'm not at the machine right now so I can't give you the specifics, but I
doubt if any of the Windows drivers will fix it in Ubuntu.
Ed
Edward Gibbs, this bug report is being closed due to your last comment
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1664397/comments/4
regarding this being fixed with an update. For future reference you can
manage the status of your own bugs by clicking on the current status in
the yellow
Well, it was not a firmware update that fixed it. I'm on Qubes 4.2
right now and it still has the problem, Qubes is using Xfce 4.12 as
it's desktop manager, which I believe is Ubuntu based. Some update to
Ubuntu must have fixed the problem and it hasn't been rolled into the
Xfce version Qubes
As requested I downloaded the latest build and ran it from USB. After
selecting hybrid graphics in BIOS I booted up and was delighted to see
no mouse trails on the 2nd monitor!
I then rebooted back into 16.04 leaving hybrid graphics selected - no
mouse trails!
I think there was an Intel
Edward Gibbs, thanks for reporting this and helping make Ubuntu better.
To keep this relevant to upstream, could you please test
http://cdimage.ubuntu.com/daily-live/current/ and advise to the results?
** Tags added: latest-bios-1.37
** Changed in: xorg (Ubuntu)
Importance: Undecided =>
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