Some key differences: * I did NOT have this issue in F22. * The monitor that doesn't wake up changes, so it's not always the same one. * I never have However the laptop detects only one external monitor and clones the display on both. lol, your procedure is really more complicated than launch multiple times 'xset dpms force off' Don't forget that if you undock computer your all windows on not connected display will move However, you can´t use both DPs at the same time. have a peek at these guys
Nothing get better or worse. fbl Comment 31 Jon Thomas 2015-05-26 09:22:55 EDT A workaround for me (the 2 monitor case) is to connect one monitor via a display port on the dock and then the Every morning I open that and then just click on the icons representing my two external monitors. One of the DisplayPort monitors (consistently the left one) almost never wakes up after sleeping. https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T/T440s-Ultra-Dock-Dual-Display-issues/td-p/3387421
Anyone successfully using an external monitor with their T440p? I have also tried undocking and re-docking and both monitors come back to life. It somehow don't remember my VGA attached monitor. Comment 1 Jeff Peeler 2015-01-18 23:28:30 EST This problem is a little worse than I thought.
W541 in an Ultradock with 2 external monitors attached to the dock, one VGA, one DisplayPort. Comment 110 William Henry 2016-02-25 11:12:50 EST Upgrade to 4.3.5-300.fc23.x86_64 is also working for me. Then I updated the display adapter through the device manager and pointed to this folder. Thinkpad Pro Dock 3 Monitors Cojot 2015-11-26 15:20:06 EST It's better on 4.2.6-300.fc23.x86_64 but still not fully solved: - When I return to my workstation after locking my session, both screens wake up when I login.
Setup is primary and secondary monitor connected to display-ports on the dock It is the same monitor that does not turn on every time. Lenovo Thinkpad Docking Station Dual Monitor Setup Secondary monitor wakes up from sleep just fine. I've found (and yes, it is in GUI mode...) that by using this procedure I'm able to wake the other monitor quickly without undocking. All 3 displays wake.
F23 on Lenovo T450s, two external monitors randomly failing to wake up. Lenovo Docking Station 3 Monitors But xrandr is not able to detect them as independent displays:Screen 0: minimum 320 x 200, current 4800 x 1620, maximum 32767 x 32767 eDP1 connected primary 2880x1620+0+0 (normal left inverted When you wiggle the mouse or press ESC they wake up and you login as normal. I have tried today fedora live 22.RC1 on usb disk and it doesn't seem it is fixed on Fedora 22 :( I am experiencing this behaviour too on docked T540p with
Used an older version and the problem was solved. http://forum.thinkpads.com/viewtopic.php?t=114783 The only way I can get his friend to wake is to run display utility in GNOME, change something, and then press ESC to cancel the change. Lenovo Ultra Dock Firmware Two external > monitors on DP2-1 (DVI dock port, I think; I'm not at the office today) and > DP2-2 (HDMI port or actual DisplayPort port, to DVI on monitor via Lenovo Docking Station Dual Monitor Problems One via VGA and the other DVI.Both displays are being mirrored and I can't seem to change it.
If I let the monitors go to power save mode, then they will not be recognized anymore. http://webcomputerrepair.com/docking-station/how-to-connect-3-monitors-to-a-lenovo-docking-station.html Top Kudoed Posts Subject kudos Re: Privacy and Data Confidentiality for Notebook sent in for service 3 Re: Uninstall Lenovo Service Bridge on my T420? 3 Re: T450S and Pro Dock intel_modeset_compute_config+0x3af/0xb60 [ [ +0.000012] [
The only way I've found around this is to force a power-off or remote reboot via SSH. -Brian Comment 124 Brian 2017-02-28 16:13:16 EST (In reply to Brian from comment #123) Details are here: https://bugzilla.redhat.com/show_bug.cgi?id=1101386#c10 The bug was reported for a T440s, but it probably applies to all Intel Haswell based ThinkPads. Comment 58 Marek Novotny 2015-11-11 03:12:48 EST (In reply to Dave Airlie from comment #56) > Please test a 4.3 kernel from > > https://kojipkgs.fedoraproject.org/packages/kernel/4.3.0/1.fc24/ > > or even a 4.4-rc1 check my blog last night I installed the latest drivers from intel (which actually seem to be an older version of the driver that Windows 8.1 preloads - this caused some major issues with
I honestly don't know what > kernels can go into a given Fedora release, but if 4.3 can be put in F23 > that might be enough to close this bug... Lenovo Thinkpad Docking Station Monitor Not Working I found another workaround to repair this issue each time more quickly. except now some people are saying they are just now experiencing problems on F23 and not F22?
I am finding that even with no monitors hooked up, I have this one listed in screen resolution screen and I think this is the intel widi. Please delete comment 108. except now some people are saying > > they are just now experiencing problems on F23 and not F22? > > I can confirm that I installed 4.3.0-1.fc24.x86_64 and for 2 Thinkpad Pro Dock Multiple Monitors It only works when it negotiates down to 2560x1440 Crash and/or Warning when attempting to connect the monitor in 4K mode 3840x2160: dmesg ...snip.... [ +0.000023] WARNING: CPU: 0 PID: 2260
Ever since upgrading to F23, usually only one wakes up. Due to the powering on problem, I've disabled any power saving modes so that the monitors always stay on. Format For Printing -XML -Clone This Bug -Top of page First Last Prev Next This bug is not in your last search results. news Adapt the script and change DP2-2 to match your display outputs.
Offline #2 2014-02-20 11:08:55 uland Member Registered: 2014-02-20 Posts: 1 Re: Thinkpad T540p Ultra Dock with two external monitors I don't have a dock, so I can't test myself anything, but About to give up. Even weirder, the problem seems to have started "randomly" -- I had been fine for a couple weeks and then all of a sudden (without rebooting, though I had installed a DVI and 2.
I have it set so that the laptop screen is off, and the two screens are being used. Approximately 4 (four) weeks from now Fedora will stop maintaining and issuing updates for Fedora 21. Everything via VGA works fine. I've written a small script that allows me to wake-from-the-dead the secondary monitor without fiddling with gnome control-panel: $ cat bin/dpms.sh #!/bin/bash xset dpms force off xrandr --output DP2-2 --mode 1024x768
Comment 27 Jon Thomas 2015-05-20 15:44:02 EDT Same/similar problem. This bug is terribly annoying, how could I help more with identifying the root cause?