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"Use this Display" switch doesn't work [$15] #131

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lumi-sch opened this Issue Oct 16, 2018 · 15 comments

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@lumi-sch
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lumi-sch commented Oct 16, 2018

I just installed Juno and I noticed that disabling my ThinkPad X230's internal display doesn't work. It just stays on.

Steps to reproduce:
Boot into Juno install media or install it and then:

  1. Connect an external monitor to your laptop
  2. System Settings -> Display
  3. Flip the "Use this Display" switch on your internal display
  4. Apply the changes
  5. See how nothing has changed at all

There is a $15 open bounty on this issue. Add to the bounty at Bountysource.

@marzochi

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marzochi commented Oct 17, 2018

Same error for me. I can't disable internal screen on Juno. I can do it on Loki.
Two screen are open permanently

image

@megatux

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megatux commented Oct 19, 2018

Confirmed. Same here, Toshiba laptop w/Radeon chip. Loki works.

@kr428

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kr428 commented Oct 19, 2018

Same here. HP EliteBook Folio w/ internal onboard intel HD chipset. See https://elementaryos.stackexchange.com/questions/16445/monitor-settings-do-not-work-cannot-disable-integrated-screen-of-the-laptop as well.

Note: On my device, closing the laptop would be a viable workaround but unfortunately even then, when locking the screen, the system will display the unlock screen on the "wrong" display.

@deyvisonrocha

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deyvisonrocha commented Oct 19, 2018

One way to work around this is to temporarily use Super + P to change until only the external monitor is left.

@wout

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wout commented Oct 20, 2018

I can confirm the same issue on my Dell XPS 15 9560. There are some related issues due to this problem.

No tray nor dock after sleep

While using an external monitor, my laptop is closed. This works fine as long as the system does not go to sleep. Waking it up is a pain because it does not listen to the wireless mouse or keyboard (also Dell). Touching the built-in keyboard wakes up the system but then I have two screens missing the to menu bar/tray as well as the dock. The only thing I can do in this scenario is a hard reboot.

Not dock nor tray after reboot

This morning I logged in and again, no tray or dock were showing, so I did a reboot without the external monitor. But even after a reboot, they didn't show up. I had to manually launch the switchbaord (/usr/bin/io.elementray.switchboard) though the terminal to be able to access display settings, where I fiddled a bit with the settings. After rebooting the tray and dock were back again.

@nikitati

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nikitati commented Oct 21, 2018

Confirmed on my ASUS zenbook UX360CA (Intel HD graphics card). The only option to disable laptop display is to cycle through monitor setups with super + P, as proposed above. But cycling sometimes breaks the ability to change wallpapers (sic!). Wallpaper change is then only applied after restarting the session. This is seriously messed up. Everything worked fine in Loki.

@kt1024

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kt1024 commented Oct 23, 2018

juno, tested w 3 notebooks:

  • 1 x dell with intel i915 controller : display setting works as expected.
  • 2 x thinkpad e330 (i915+nvidia gf610m). : unknown display can not be truly disabled, super+p key not work at all. thus, display setting is ok in bionic 18.04.
@kt1024

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kt1024 commented Oct 23, 2018

more test:

  • fresh install, notebook with 1 intel video card. and a external 24' display(HDMI connected).
  • setting->display->select 'Buld-in Display' -> un-select 'Use this display': nothing happened.
  • use super+p combo, can make external hdmi display as single/only display.
  • after reboot 2 screen/display are both activated. have to press super+p again to disable build-in display.(use external display only)
  • same notebook on Loki, display settings can be remembered.
@msmaldi

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msmaldi commented Oct 23, 2018

Same problem, on acer E1-572
On Loki work perfect

@LanceGundersen

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LanceGundersen commented Oct 23, 2018

Confirmed on Dell XPS 13 9360 with eGPU. Juno 5 fresh install last night.

@kt1024

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kt1024 commented Oct 24, 2018

tried multiple times today,

  • notebook w 1 intel gpu, set display to use only external display (use super+p).
  • reboot
  • password input box is not focused, screen goes to build-in display. external display is in black, but mouse can move to (external display)
  • after login, both screen was activated: external as primary, build-in as extend screen.
  • right after screens show up, press super+p has no responds.
  • wait about 5 seconds or more, super + p finally can act, but can use mouse to start apps. (same hardware on Loki don't have to wait that time)
hw info:
model:  Dell Latitude E5250
cpu:    i5-5300U CPU @ 2.30GHz
mem:    12GB
disk:   256GB ADATA SP920SS SSD
auto start apps: albert luncher, synology cloudstation drive, fcitx input.
network: wired connected, wireless disabled.

@cassidyjames cassidyjames added this to To do in Multiple Displays via automation Oct 24, 2018

@cassidyjames

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cassidyjames commented Oct 24, 2018

Marking as high priority and confirmed since it's affecting a lot of people and we've gotten a lot of reports of this.

@cassidyjames

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cassidyjames commented Oct 24, 2018

From #106:

Not sure if it's related (or the same) to #38 and it's a regression from Loki

Running Juno on an Optimus Enabled Laptop (with an GF106 GT630m). And i'm also on a "three monitor setup" (My broken laptop screen (which I disabled using the laptop Fn Key), my external monitor (probably isn't needed to give the model) on the VGA cable and the virtual nvidia screen.

Also using the nvidia-driver-390 package from AppCenter, with the Intel profile (Nvidia card can't draw anything on the screen..)

And the display settings (such as disabling the laptop screen and the nvidia virtual offscreen) doesn't do anything (not even blink the screens), worked fine on Loki.

How can I grab some logs from switchboard?
–@h4ndshake

I'm unable to disable monitors too
@naaando

@rsolvang

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rsolvang commented Oct 29, 2018

I have the same problem on my x220 with an external monitor – the internal display won't turn off. I solved it temporary by installing ARandR which allows me to turn it off, but not persistently. After a reboot, the internal display is activated again.

@rafifos

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rafifos commented Oct 29, 2018

@rsolvang You don't need ARandR, it's really simple to turn it off with the good ol' xrandr

Just type xrandr --output <your display name> --off

You don't even need to sudo this! But it's not persistent. (Will be reverted on reboot)

Enviado do meu M5 usando FastHub

@danrabbit danrabbit changed the title "Use this Display" switch doesn't work "Use this Display" switch doesn't work [$15] Jan 20, 2019

@danrabbit danrabbit added the Bounty label Jan 20, 2019

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