DisplayPort is a digital audio/video interface used primarily for attaching external monitors to computers, though it can also be used to transmit audio, USB, and other forms of data.

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xrandr doesn’t detect display ports

I have a ThinkPad T510 laptop with Gentoo Linux installed on it and I can’t manage to get VGA and DisplayPort working. xrandr -q won’t show them, so I’m guessing, that there’s a problem with my kernel ...
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Need a KVM setup to support HDMI and DisplayPort input with DVI or HDMI output

Here is what I want to connect via KVM to have one monitor and keyboard/mouse: 1st Work laptop (HP EliteBook 8560P) with a DisplayPort and VGA video output - I bought a passive DisplayPort to HDMI ...
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472 views

Surface Pro 2 DisplayPort 1.2 since recent update

I'm using the Surface Pro 2 and two Dell U2414H Displays connected via DaisyChain (Displayport to first monitor and then from the first monitor to the second monitor). This worked a long time, but I ...
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274 views

Slow flicker when video output from DisplayPort to TV HDMI input

I connected my new laptop (HP EliteBook 8570w running Windows 8.1 Pro) to my 4-year-old Sony HD TV using a DisplayPort to HDMI cable. It almost works. I get a 1920x1080 display, crisp, stable, except ...
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1answer
295 views

Radeon HD 5770 on three monitors. 95% working

Alright, so initially I ran into the typical problems associated with this setup (only two screens worked at a time, passive adapter does nothing yadda yadda). My problem now is that only two screens ...
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1answer
464 views

How to write script/program to duplicate a monitor (to fix HDMI audio issues)

Cliff's notes: Question: Is there a way to write a script to clone a monitor to another monitor (rather than do so manually in Control Panel or ATI driver)? I would like something similar to How can ...
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716 views

Low-end triple monitor setup problem

I've just setup my triple monitor configuration here at work and am running into some snags with one of the monitors. The problem: Two of the monitors are identical, but one of these two (the one ...
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1answer
260 views

graphics-card compatibility

How can I connect and use two HP LP3065 monitors with an NVIDIA® Quadro® FX 4800 graphics card installed in a HP z800 computer?
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Why does my monitor sometimes display a moira pattern (of sorts)

I recently bought a SIIG CE-KV0411-S1 (2-port DisplayPort KVM) to share an Asus VK278Q between my gaming PC and a MacBook. The Mac never gives me any trouble, but if the PC goes to sleep while it is ...
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19 views

AMD card fails to start when displayport plugged in

I've been encountering this issue for a while now and it has finally fried enough nerves that I'd find some support for it. Googling around has revealed little. I have an AMD Radeon HD 5900 with 2 ...
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1answer
85 views

HDMI/DVI/DisplayPort cables and image quality (color, sharpness)

I am planning on running some very long digital cables (HDMI, DVI, DisplayPort). I want to make absolutely sure that as long as the cable works with my desired settings (resolution and hz), there's ...
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58 views

ASUS Computer with Standard Graphics Card and Intel HD Graphics and problems with the second monitor

The problem I have is as follows: I connected the graphics card to one monitor first with DVI and a second one through a DisplayPort to DVI adapter. The computer has a Standard VGA adapter and an ...
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672 views

DisplayPort 1.2 Daisy Chain Third Monitor Not Working

I have: 3x Dell 24" U2414H monitors 1x AMD Radeon R9 200 Series graphics card I am attempting to daisy chain the three monitors together to take advantage of multi-stream transport (MST). When I ...
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322 views

Trying to connect 3 monitors to Dell E6530

For work, I had a Dell E6530 with the e-port plus docking station (and additional shelf thing above it). After looking up the CPU, it uses integrated HD 4000, and claims up to 3 monitors. What I'm ...
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278 views

Disable audio output to DisplayPort device

I'm on OSX 10.9.2 using a Samsung SA850 Display connected to the display port of my MBP 15" Late 2012 Model. All seems fine, but there is a problem with audio. Generally, whenever the display goes to ...
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No DisplayPort output via DisplayPort→HDMI adapter from Nvidia card using Linux on Thinkpad W520

I have a Thinkpad W520 laptop with Nvidia Quadro 1000M graphics running Debian testing (“wheezy”) and Nvidia driver version 295.40-1. The graphics mode is set to discrete in the BIOS. I would like to ...
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62 views

4K monitor showing 2560x1440 as max resolution

I recently purchased a 4k Monitor, to figure that HDMI can only display 4K at 30 hz, which isnt enough for gaming and it simply makes it less enjoyable with the laggy input. It worked at 4k resolution ...
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82 views

How to select video connector between laptop and external monitor?

I want to connect a Lenovo ThinkPad X1 Carbon laptop to a Dell 2408 WFP external monitor. The ThinkPad laptop has a 14.0" WQHD (2560x1440) onboard display. It has Mini-DP and HDMI ports, and via a ...
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418 views

DaisyChain Non-Apple monitors to Macbook Pro

I as hoping to daisychain some monitors to either my display port or my thunderbolt port for my early 2011 Macbook Pro (AMD Radeon HD 6490M). I don't want to buy the expensive Apple monitors but I'm ...
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64 views

Second monitor goes black after machine reboot

We have some 4th generation Intel NUC machines that we've placed an SSD inside of and attached two of these planar TVs. Each machine is running Windows 8.1. The problem we're running into is that ...
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293 views

WHY: Mini Displayport to Displayport adapter connected to Alienware m17 laptop for dual monitor not working?

I just bought this: accellcables.com/K088B-003B.html and am trying to connect my ASUS 27" (2560x1440) monitor up to my laptop through it's mini displayport. After wrestling through possible solutions ...
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how can I smooth pixels on a DP monitor?

I've got 2 monitors, same model (LP2361). But they connect via different cables because of what ports I have on my video card. The monitor that connects via display port has very chunky text. I took a ...
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117 views

Can Matrox TripleHead2Go support dual-mode DisplayPort?

I have an Alienware M18x r2 laptop, and am trying to hook up 3 external monitors to it in a non-linear fashion. I've discovered a product called Matrox TripleHead2Go which should (hopefully?) let me ...
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529 views

Dell U2312HM (DP) + Intel HD 3000 = Flicker

I'm using a Dell U2312HM monitor with my Lenovo X220 (Intel HD 3000 graphics card) via DisplayPort at work. Sadly, there is an issue with this combination: The Dell flickers once in a while. It's only ...
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Troubles with connected second monitor to Nvidia FX 580

I'm running Win7 Pro, 1st monitor connected via HDMI is a Samsung S24D300 (main monitor) no problems. 2nd monitor is an LG W2261VP connected to one of the DisplayPort with a DisplayPort to DVI cable. ...
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How do I route audio to my HDMI port instead of the display port

My Dell Studio 1747 notebook has an ATI radeon HD 4650 graphic card. The card has both HDMI as well as Display port output. However, the audio routes to the Display port instead of the HDMI. Since ...
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17 views

DisplayPort monitor with USB hub, switch to another machine with all USBs?

So, I'd really like to just be able to sit down at my desk, with my gaming pc all connected up and working, plug my MacBook Air in to the DisplayPort and pick up all the USB devices. ...
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50 views

Disable Windows 8 Monitor detection with display port monitors

I have 3 Dell UltraSharp U2414H Monitors connected to a NVIDIA Geforce GTX 980 graphics card via display port. The monitors are not chained. So each monitor is connected directly to the graphics ...
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44 views

HD 5870 displayport low power no image on Dell UltraSharp U2414H 23.8

NOTE: I bought a cable for HDMI and now the resolution is at 1920x1020 I would prefer to at least understand how to fix the display port I have a windows 7 desktop with and AMD HD 5870 graphics card. ...
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20 views

Would USBs on non-Apple monitor with DisplayPort work?

Would the USB ports on a 3rd party monitor work on MacBook Pro with Thunderbolt? I have a MacBook Pro 13" from ~2012 (13", no retina, i7 model) that I'm still pretty happy with. Now I'm sick of ...
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34 views

Reconnect monitor with displayport

I have a Dell 2711 monitor which I connect using Displayport to either a laptop (Windows 8.1) or a desktop. I can't use any of the other connections, since only the Displayport supports the maximum ...
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19 views

10 bit Color Mode Corrupting Screen Capture

I am using a FirePro W5000 in 10 bit display mode with 2x Dell U3014 monitors on Windows 8.1. The output to the displays and color reproduction all work fine in all applications that support 10 bit ...
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180 views

AMD Radeon 7900 series: setting up 3 monitors

I have an AMD Radeon 7900 series, which should support up to 6 screens. I'm having problems getting my third one working. Im running windows 8, and have installed all the latest AMD drivers. My ...
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80 views

Send sleep/wake command via displayport to computer

Is it possible for windows or linux based system to check if displayport display has been turned off/on and react accordingly to sleep/wake/shutdown/start system?
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Origin of display connector numbers in XServer (e.g. HDMI1, HDMI2, DP1)

a custom mainboard has a DVI and a DisplayPort connector on the board. Currently, everything that is connected at DVI will be named "HDMI2" in XServer. I can see that by calling the "xrandr" tool (in ...
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478 views

Mini DisplayPort daisy-chaining

I haven't found any documentation saying it's not possible, but I've been trying to find if daisy-chaining Mini DisplayPort-to-DisplayPort with successive monitors connected using DisplayPort. So: ...
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Connecting 4 monitors to a Radeon HD 6850

Is it possible to hook up 4 monitors to a Radeon HD 6850? Mostly for web and mobile development, so performance is not a big issue here. I have two monitors already hooked up via DVI. I know we can't ...
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140 views

DisplayPort 1.2 (Daisy-Chain) over normal DisplayPort cable

I want to daisy chain two DisplayPort 1.2 Monitors and need to know if I can use normal DisplayPort cables? On all Display Port cables I see the specification of maximum resolution WQXGA (2560 x ...
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How do I use the Mini DP on my HD6950 to connect my U3011 monitor

I have a HD9650 and a Dell U3011. The HD6950 has 2 mini DPs and the U3011 has an input DP. The U3011 came with a DP to DP cable. So I bought a mini DP to DP adaptor and tried to use it with the ...
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183 views

Improving input lag on 2650x1440 display on MacBook Pro displayport

As the title says, i experience a certain lag when working on my main screen (a Samsung SyncMaster SA850) when connected to my MacBook Pro (Late 2012), using a Mini-DisplayPort to DisplayPort cable ...
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180 views

Laptop freezes when I plug in a new monitor displayport cable

I have a Dell Studio 1749 with an ATI Mobility Radeon HD 5650 Graphics card. I've just purchased a Dell U2713HM Monitor. I need to connect them Displayport > Displayport in order to acheive the ...
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83 views

MIniDisplayport -> HDMI -> DVI(24+1) gives snow on monitor at 1600x900 or higher resolutions

I've got a Macbook 2012 (non-retina) and I've always used a MiniDisplayport to HDMI adapter for my own monitor. Now I'm at the office where I only have a DVI monitor at hand. So I've bought a HDMI-> ...
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128 views

Displayport connector on Thinkpad dock stopped working

I have a Thinkpad W520 and a docking station. The system has a monitor (NEC PA-301W) connected to the displayport connector. Until I ran Windows update the DP connector on the dock worked fine. ...
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28 views

How can I connect a third LCD monitor?

I have a problem. I have 3 LCD dell u2412m a motherboard gigabyte GA-Z77-UD4H. According to description it supports 2 LCD monitors on Intel HD 4000. I bought older graphic card Nvidia GTX260 with 2 ...
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132 views

Windows 7: VGA only unless safe made, where display port works

I have a windows 7 Dell machine which used to have 2 monitors: 1 on VGA, and 1 on display. The one which was connected by VGA is now gone, leaving just the display port connected monitor. Now when ...
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DISPLAYPORT TO HDMI ADAPTER. QUADRO 600

I have the nvidia quadro 600 graphic card. I use one monitor via DVI and i am trying days now to connect the TV also, through a displayport to HDMI adapter and a HDMI cable and system does't recognise ...
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51 views

Connect laptop to second monitor - impossible?

There must be a really simple solution, so I feel a bit stupid having to ask: I want to get a Samsung Ativ 9 Plus which has a Micro-HDMI and some weird proprietary (or maybe not?) small VGA port. As ...
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403 views

Cannot extend desktop to 3 monitors

I have an annoying problem. I problem on my old notebook I had a HDMI and VGA port however I could only extend my desktop to one additional screen. I sold that notebook and purchased a new notebook ...
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662 views

Windows 7 flash monitor black?

I have a laptop connected to a monitor that uses Displayport. My monitor flashes black for a split second randomly while connected to Displayport but does not while connected via DVI out. I've ...
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HDMI x2 splitter Thinkpad T530 5400M

I am looking to get a mini display port to HDMI x2 splitter for my Lenovo Thinkpad T530 ([2429-6hg]) The spec sheet for my laptop says it has a nVidia NVS 5400M graphics card that has support for "Up ...