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0answers
12 views

DRM not initializing eDP LCD Display

I'm having an issue with Ubuntu on a small-form-factor PC I built. It is based on the ASUS Q87T and the Intel G3258 CPU. Everything works great with an external (DP, HDMI, VGA) display, but I cannot ...
0
votes
0answers
25 views

XB240H Abprz (144hz, 1080p, GSync) only running at 60hz without GSync! Solution?

I run Ubuntu GNOME 14.04 Trusty Tahr with a GTX970, 4790k, 16gb DDR31866, etc. I have the XB240H 24 inch, and it is running at 60hz. The on-board monitor options do not let me modify this, and when I ...
0
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0answers
24 views

Server System Installation Does not support Display Port Monitor

Ubuntu 12.04 system-installation does not create a system that correctly recognizes and uses a display port monitor. The target system has an Intel Atom E3845 processor with DP++ graphics. The install ...
0
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1answer
43 views

Thinkpad W520 DisplayPort/HDMI sound

On my Thinkpad w520 with Nvidia Optimus (using Nvidia properietary drivers) I connected an external monitor via DisplayPort, using a Displayport -> HDMI adapter cable. The monitor has integrated ...
0
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0answers
68 views

Two Monitors on Mac Mini

I recently installeed Ubuntu 14 with 3.16 kernel update in may Mac Mini (2011). But i have two monitors, one atached on Mac Mini HDMI out and the second atached ond the Thunderbolt port with an ...
1
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0answers
261 views

Help getting mini-DisplayPort external monitor working on Lenovo T440s ( Intel HD 4400)

I have the following setup: Lenovo T440s running Ubuntu 15.04 (upgraded from 14.10) Asus PB278Q (supports DisplayPort 1.2) AmazonBasics mini-DisplayPort to DisplayPort cable System information: $ ...
0
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0answers
48 views

3rd monitor not working anymore on Ubuntu [duplicate]

I have a dell optiplex 7010 with three DELL monitors attached and running Ubuntu 14.04 LTS (kernel 3.16.0 ). One of the monitors is attached via VGA cable while the other two using displayport cables. ...
2
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0answers
243 views

Kubuntu 15.04 on Dell XPS L322x - not detect external monitor over displayport

As in the subject - XPS connected (minidp->dp) to additional LCD display but not working. System seems to not detect the display at all.
0
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0answers
67 views

is there a usb3 docking station which works with ubuntu?

I read few bad news (this or this ) about displayPort and Ubuntu from previous year, but what about nowadays: does a usb3 docking station can works with Ubuntu ?
0
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0answers
464 views

Ubuntu 15.04 AMD Catalyst 15.3 - Not detecting displayport hub

I upgraded from 14.10 where I had the AMD Catalyst 14.12 driver working "fine". (I say, "fine" but that's relative as there were some graphical issues, but it detected all my montiors). I upgraded to ...
0
votes
2answers
317 views

Laptop monitor plus two external monitors via dockstation

I have a Dell XPS13 (9333, Intel HD graphics 4400), running Ubuntu 14.04 and connected to a Dell monitor U2412M via VGA to mini DP. What I would like to do is to connect to another monitor (same make ...
0
votes
1answer
99 views

need to switch DP daisy-chained monitors on & off to get xrandr to switch them on

I'm running awesomewm on ubuntu laptop. I have two external monitors connected in DP daisy chain configuration, plugged into laptop's mini-dp port. xrandr detects both when they are plugged in. ...
0
votes
1answer
581 views

Multiple displays in Ubuntu/XUbuntu - Displayport with Adapter (DisplayPort to 2x DVI) + ATI Graphics

I want to be able to use the DisplayPort on my laptop hooked up to a [DP to (2) DVI] adapter to drive two external displays (both using DVI). This is the adapter I have: ...
0
votes
0answers
347 views

Ubuntu Dell E7240 : Displayport Monitor resolution 14.04

I have a Dell E7240 which came with Ubuntu 12.04 pre-installed. I use it with a Dell docking station in work. On 12.04 it recognised the correct resolution for the monitor, after updating to 14.04 it ...
0
votes
1answer
185 views

Displayport Hub functions like Apple Thunderbolt Display

Does Displayport supports hub funtions for e.g. usb (like the Apple Thunderbolt Display)? I just bought an Dell XPS 13 2015 (9343), now running Ubuntu 14.04 LTS (Trusty Tahr). It has a Mini ...
1
vote
1answer
4k views

Dell XPS 13 2015 Ubuntu compatibility (Displayport/MST)

I just bought an Dell XPS 13 2015 (9343) whose Linux (installed Ubuntu 14.04 LTS (Trusty Tahr)) support seems to be quite disappointing at the moment. Before spending money on new equipment I would ...
0
votes
1answer
304 views

Updating Ubuntu on Dell Latitude E7240 (factory install)

I have a Dell Latitude E7240 as my work machine. It came with Ubuntu 12.04 pre-installed. I would like to upgrade to a later distro but it is important that I don't end up witha buggy machine a s a ...
0
votes
1answer
140 views

How can I make xubuntu ignore DisplayPort monitor being turned off?

I have a desktop machine (Dell T5600) with an Nvidia graphics card (Quadro 2000), and two monitors (Dell 24"), and I'm running xubuntu 14.04. If I switch off a monitor connected with DisplayPort, ...
0
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0answers
150 views

Ubuntu 12.04 Thinkpad 430 Mini Displayport Weird Effects

I'm running 12.04 on my Thinkpad 430, and I'm connecting that to a Samsung 32 inch 720p TV through a Mini Displayport to HDMI cable. I've had no trouble with this cable when connecting from Windows ...
3
votes
0answers
487 views

I'm unable to set 2560x1440 resolution on Intel HD 5000 using Displayport with PG278Q

I've just installed Ubuntu 14.04 LTS and I'm unable to get the monitor working. Screen works fine in BIOS and the same machine when booting to windows (before installing Ubuntu). I have tried the ...
2
votes
0answers
253 views

How to: External Monitor (HDMI)

I'm on a Dell xps l502x 64 dual boot machine. It worked on both, but I had a accident: the screen cracked, so after that I tried to use an external HDMI display as primary display. Now it only works ...
3
votes
4answers
5k views

DisplayPort monitor not detected if switched off and on again

I am running Ubuntu Desktop 14.04 on a desktop PC with a Nvidia GTX 660 connected to a HP LP2475w 24" monitor over DisplayPort. It boots up fine, but if I switch off the monitor and switch it on ...
2
votes
0answers
423 views

X1 Carbon Mini Display works with External Monitor but not Projectors

I have an X1 Carbon 2014 model, and everything seems to work great on Ubuntu 14.04. Recently now I've had to use it twice to give a presentation, and both times it's failed to detect the VGA ...
1
vote
1answer
1k views

mini displayport not detected - hd4400, thinkpad x240

I have a thinkpad x240 with a hd4400 graphics card running on ubuntu 14.04. I've been trying to get the mini displayport working with no success. I have an apple mini-dp to vga adapater. I know the ...
0
votes
0answers
165 views

Error when trying to compile mstSupportKernel

I am trying to follow the solution for the MST issue outlined here: https://01.org/linuxgraphics/node/358 But when I try to compile the following: sudo make-kpkg -j 4 --initrd ...
3
votes
0answers
441 views

Two monitors, two DP-connectors, Ubuntu sees those as one

I have a IBM ThinkPad in a dockingstation. Attached are two monitors (default resolution: 1920x1200) via two DisplayPort connectors. The laptop have Nvidia/Intel chipset, but I only using Intel. ...
2
votes
0answers
1k views

Problem with external monitor

Since yesterday I have weired problems using my external monitor (Benq 19" connected via DVI over DVI->HDMI cable and HDMI->Mini DisplayPort-Adapter) with Ubuntu 14.04. Until then I could use this ...
4
votes
1answer
897 views

Mini Display Port and Ubuntu 14.04

Did someone manage to use the mini display port instead of the hdmi port of a laptop (with ubuntu 14.04) ? I use bumblebee and my laptop has a nvidia card. I already posted a remark in this thread ...
1
vote
2answers
1k views

Asus Chromebox Displayport monitor not detected

I have installed ubuntu 14.04 as a dual boot OS on my Asus Chromebox and I'm a linux newbie. Anyway, everything seems to be working fine except for the DisplayPort monitor not working. The ...
1
vote
0answers
173 views

Two 4k Displays

I want to set up my machine with two 4k Displays. For that, I need to have a separate graphic card for each display as the Display Port only supports one Monitor with this resolution. I have two of ...
4
votes
2answers
13k views

How do I know if I will be able to daisy-chain monitors? (connect two monitors to 1 DisplayPort)

I am planning to use Surface Pro 2 with a dock station as my main computer and I would like to connect two external monitors to it, but the dock station only contains a single DisplayPort socket. ...
5
votes
3answers
7k views

Thinkpad w540 w/ Ultra Dock only one external monitor works

I have installed Ubuntu 14.04 on this Lenovo ThinkPad W540 laptop, and everything appears to be working ok by itself. Today I received my docking station to which I intended to hook up 2 external ...
1
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0answers
118 views

Dual External Monitor Bumblebee/Nvidia (or withoout Bumblebee)

I have installed and configured Bumblebee on my Dell XPS 17 with an Nvidia GT555m. I would like to use my two external monitors with the laptop closed, but it's giving me all sorts of difficulty. Is ...
1
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0answers
241 views

DisplayPort audio shuts off when Brightness & Lock setting turns screen off

I'm using a Dell U2414H monitor with DisplayPort video/audio and a USB 3.0 hub for keyboard/mouse. When the display turns off after x minutes, from the Brightness & Lock setting, the audio shuts ...
0
votes
1answer
571 views

DisplayPort monitor suddenly broken

I'm running Kubuntu 13.10 and all has been good for ages. I think some recent update has borked my X config and I have no idea how to fix it. I have a Dell laptop with a Dell monitor on a display ...
0
votes
1answer
644 views

Multi monitor on a Macbook Pro Retina 11,3 (Late 2013) with NVIDIA

Does this Mac have something like Optimus for switching between the Intel and NVIDIA card? Do you know if multimonitor works, connecting two monitors to each Thunderbolt port (two external monitors + ...
1
vote
0answers
322 views

Can't get HDMI out working on Lenovo G560

Can I get Dolby To My PC but no on HDMI out please (our DTS whatever) On Lenovo G560 xrandr: Screen 0: minimum 320 x 200, current 1366 x 768, maximum 32767 x 32767 LVDS1 connected primary ...
0
votes
1answer
170 views

Lenovo TP X230 + Series 3 Docking - Toggle between DVI and DP working?

Hi, Is anyone using DVI and DP of the Series 3 Docking with Ubuntu? For now I'm using DVI for my monitor and I plan to use DP to connect to my TV (DP -> HDMI -> TV). Lenovo says it isn't possible ...
0
votes
1answer
3k views

Dell XPS15 L502x Mini Display Port not working Ubuntu 13.04

Before i had Ubuntu 12.10 running on this laptop and the mini display port worked. Now i have Ubuntu 13.04 and the mini display port does not work anymore. If i connect my external monitor using a vga ...
1
vote
1answer
2k views

How to choose between HDMI and displayport sound output using radeon free drivers

My graphics card is a VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Turks XT [Radeon HD 6670/7670] I'm using open source drivers and have 3 screens plugged in, using DVI, HDMI ...
7
votes
4answers
11k views

Displayport 1.2 MST/daisy chain - Dual Monitor setup - Intel graphics

I am running ubuntu 13.10 on a desktop system and I have 2 monitors that I am trying to connect via Displayport's 1.2 multi-streaming support. The system is equiped with an Intel Core i7-4770K ...
2
votes
1answer
3k views

How to turn on DisplayPort

I have Thinkpad T430 with NVIDIA NVS 5400M and Intel HD Graphics 4000. I installed the bumblebee and nvidia-current, but Ubuntu still doesn't recognise external monitor connected DisplayPort
3
votes
1answer
6k views

Ubuntu 12.04 does not recognize HDMI and displayport outputs in Dell Precision M4700

I've just bought a TV/monitor and when is connected to my laptop by DP output nothing happens. It only shows a log saying "There is no signal coming from your computer". The same for the HDMI output. ...
2
votes
0answers
481 views

Can't set the resolution of my monitor on DisplayPort

My graphics card has a DVI port and two Display Ports. I have two of the same monitors, one on DVI, one on DP, but can't get xrandr to set the resolution on the DP one. I can't use xrandr --addmode ...
2
votes
2answers
4k views

External monitor not detected on 13.04 on a Dell XPS 13 via Mini DP [duplicate]

I upgraded my Dell XPS 13 Developer Edition laptop from 12.04 to 13.04 and now it seems the Mini Display Port isn't working at all. I've tried using an Apple-branded Mini DP to VGA adaptor and a ...
2
votes
0answers
733 views

Monitor blinks on and off and sometimes shuts off

I love Ubuntu and haven't even had to ask a question here but it seems the time has come that I must. The newest version, 13.04, has a lot of problems.. but this problem is one that isn't specific ...
2
votes
0answers
1k views

External screen detected but not working on DisplayPort connection

I'm running up to date Raring on my Thinkpad X220 and stumbled upon weird problem. I can connect to an external 24 inch DELL U2312HM external screen using DisplayPort cable. I tried the same ...
3
votes
1answer
1k views

DisplayPort out for 2560x1440 screen on MacBook Air (mid 2012)

I've got a MacBook Air (mid 2012) and I want to install Ubuntu 12.04 on it and I'd like to use it with a 2560x1440 Samsung 27" LED SyncMaster S27A850T screen with a mini DisplayPort to DisplayPort ...
0
votes
3answers
843 views

HDMI -> DisplayPort / DVI adapter cable - does it work?

The computer I'm buying only has HDMI. My display has DVI and Displayport. Will I be able to hook them up using an "HDMI to Displayport" converter cable in Ubuntu 12.04? The videocard is IntelHD ...
6
votes
1answer
11k views

USB display adapter with linux/ubuntu drivers?

I want to use my external monitor's resolution fully (2560x1440) with a USB display adapter for my laptop. I have one with Windows drivers, are there any adapter with linux / Ubuntu drivers that can ...