Questions tagged [displayport]

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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DisplayPort 1.4 to HDMI 2.0

I'm trying to connect my computer (using DisplayPort) to three displays (using HDMI) and I want to achieve 4K@60Hz for each display. Graphics Card PNY NVidia GeForce GTX 1080 Ti Blower Edition 3x ...
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53 views

DisplayPort to HDMI adapter not showing output

I just got a DisplayPort to HDMI adapter, but it will only work if unplug another monitor. I have an RTX 2060 with 3 DisplayPort outputs and 1 HDMI output. In order to get the DisplayPort to HDMI ...
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Why does my GPU fail to detect a monitor connected through a DP-HDMI adapter?

I have a Gigabyte 1080Ti with 1x HDMI and 3x DisplayPort outputs and I'm trying to do a triple monitor setup with three HDMI monitors (LG 23MP68VQ) using two DisplayPort to HDMI adapters, but for some ...
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VGA splitter vs DisplayPort to VGA converter image quality comparison

I have an ATI Radeon™ HD 5770 GPU (2 DVI-I ports, 1 HDMI port and 1 DisplayPort) and I have an HP Compaq LE1711 17-inch LCD Monitor (1 VGA port). I'm trying to find the best way to achieve the highest ...
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144hz from DisplayPort through USB Type B

So I'm thinking of purchasing below KVM-switch/docking station to be able to switch between my gaming PC and work laptop: https://www.startech.com/en-us/cards-adapters/usb3ddockft I have a FHD monitor ...
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Is it possible to use Displayport 2.0 on Thunderbolt 3?

According to Vesa, Displayport 2.0 products will be released late of 2021. I want to use Displayport 2.0 monitor but I need new laptop right now. If I buy a laptop has thunderbolt 3 right now, Can I ...
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External display for Surface Pro 7 stuck in 640 x 480 resolution?

Just got this new system setup Surface Pro 7 (running Windows 10) MS docking station (mini DP port) Dell U2414H display (DP in port) However the external display (U2414H) is stuck in 640 x 480 ...
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53 views

Displayport KVM switch not passing signal if Adaptive HDMI to Displayport Cable/Adapter and Displayport to DVI cable used

I bought a Displayport KVM switch to switch between two PCs using the same two monitors and I cannot get one of the monitors to work if I use an Adaptive HDMI to Displayport Cable/Adapter and ...
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Connecting monitor via HDMI is blank but windows still thinks it's attached

I have a Nvidia GeForce 1080 Ti and have always had 3 monitors connected to it via Display Port. Today I got a VR headset. It HAS to be connected via Display port so I had to disconnect one of my ...
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196 views

DisplayPort 1.2 to DVI-D adapter

I've been looking for a DisplayPort to Dual link DVI-D adapter that supports at least 2560x1600 (WQXGA). The ports on my HP EliteBook 850 G5 docking station is marked with the DisplayPort dual-mode ...
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Dell U2713HM cannot switch to Power Saving Mode when using Display Port

My Dell U2713HM monitor cannot switch to PSM (Power Saving Mode) when using a Display Port (DP) cable. All it does is go black for 1 second and then the display of Windows10 lock screen comes back. It ...
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23 views

Second monitor cuts off borders

My NVidia card has two outputs: DVI and DisplayPort. The DVI port goes directly to the DVI-input of the monitor and has no problems. The DisplayPort has a DP-to-DVI adapter, with a DVI-to-HDMI cable ...
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Connecting a Graphics Card with DVI-D, HDMI and DisplayPort outputs to older 1440X900 Monitor

I have an older monitor (I think it's this https://www.amazon.co.uk/HannsG-Widescreen-Monitor-1440x900-Speakers/dp/B000P4J41W ) with HDMI and VGA inputs, the max resolution is 1440X900, if I go to the ...
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What is the generic name for a device that acts as a DisplayPort MST matrix?

I'm not sure if this is off-topic, as it is about some electronic device, but totally related to computers, so let me know if it is so I delete it without bothering people. Keep in mind I'm NOT asking ...
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One of the Display Port connected to Intel Graphics not working

I have 2 Display Port and an HDMI Port on my laptop and an HDMI Port. Mini Display Port 1.3 (using NVIDIA graphics). It's working Mini Display Port 1.2 (using Intel HD Graphics). It's not working ...
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No Input Signal - Switching Between Devices with 1 Monitor

I have 2 machines, 1 Windows desktop and 1 Macbook Pro, which are both connected to my 1 monitor (34' lenovo). The Windows machine is connected to the monitor via the Display Port and the Macbook is ...
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How can I tell if my laptop's DisplayPort will support dual monitors?

I have a single display port on my HP laptop. Currently, I have a DisplayPort -> HDMI adaptor plugged into it that works perfectly and gives me fantastic 3840 x 2160 resolution on my 4k monitor. ...
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XPS 15 9550 with Ultrasharp 25 U2520D

I am currently trying to get my Ultrasharp 25 U2520D to work with my XPS but had no luck so far. Connecting the Monitor over Thunderbolt 3 doesn't seems to do a thing and I'm wondering why. The specs ...
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How does DSC actually work on a G-Sync monitor with a high refresh rate?

DSC is a protocol that allows a computer to transmit higher-resolution and higher frame rate signals over DisplayPort by compressing the signal. I know that DSC uses sophisticated algorithms to reduce ...
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52 views

Maximum Video Capacity of USB C when Connected to a Dock

I am trying to understand the USB C format and all its different modes but it is starting to get a bit too confusing. I understand that USB C can support 4k at 60Hz along with HDR. From what I ...
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Can't enable HDR on multi monitor system when all SDR displays are disabled

I have a multi monitor setup with 1 HDR-capable display connected via HDMI cable and two non-HDR capable displays connected via DisplayPort. I use HDR display for gaming and two others for work. I ...
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HDMI cable + HDMI to Display port adapter versus Display port cable

I recently bought a 144hz monitor. I have an extra HDMI cable but my GPU only has a Display port left. Would it be a bad idea to buy a HDMI to DP adapter for use with my HDMI cable or should I just ...
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Will monitor daisy chaining work with first link (from laptop to monitor) being DisplayPort Mini OUT to HDMI IN

I am looking at adding a second monitor to my home setup which will allow me to daisy chain two monitors to my desktop and laptop inputs (being able to switch between inputs via the monitor menu). I ...
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Single pixel, Horizontal white flickering line, when bright window is near

So I just got a brand new monitor. When using DisplayPort I get a single white line on the side of the monitor, but only when a bright window is near it. The monitor is connected via a docking station....
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Can you MST connect monitors using “ 'displayPort' to 'mini displayPort' ” cables only?

Can I MST connect multiple monitors using mini DP -> DP cables only? (I'm confused on whether I might need a DP -> DP cable between the monitors?) Image of mini DP -> DP cable
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Is there a technical reason why rebooting is required to use a Displayport-to-VGA adapter?

I manage servers and prefer to use VGA as graphics quality is unimportant and VGA is ubiquitous on crash carts. I'd prefer to have a single video cable on the carts, and I can think of no more common ...
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341 views

Is it possible to upgrade a basic USB-C to have USB-C Alternate Mode?

In relation to my previous post (How to get an HP Elitebook 840 G4 on a Universal USB-C dock to be Thunderbolt compatible?), I have a ThinkPad USB-C Dock Gen 2 (Type 40AS) and would like to use this ...
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Daisy-Chaining from Laptop VGA Source

Currently, my Lenovo T480 is using a triple-screen setup using a Dock (1 Laptop screen, 2 Monitors). I thought of using the same two Monitors to project my HP Elitebook 840 G4's screen. However, it ...
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35 views

Getting no signal when using using DP to HDMI adapter

I bought 2 adapters like this because I have 2 monitors that accept HDMI input and a Thunderbolt docking station that only has DP output. However, when I connect my monitor using the adapters that I ...
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102 views

Is triple 4k (120hz, 60hz, 60hz) possible with RTX 2070?

I would like to know if I can run three 4k monitors as follows: 120hz 4k via display port 1 60 hz 4k via display port 2 60 hz 4k via HDMI port Below is my config CPU: intel core i5 9400f GPU: ...
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Why is there a display output placeholder when there isn't a physical port on my machine

Why my laptop shows DP-1-1 and HDMI-1-2 when there is only one HDMI and no DP port on my laptop. command : $arandr output : output (imgbb link to screenshot) command : $xrandr -q output : Screen 0: ...
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272E1CA ignores DDC over DisplayPort once switched to HDMI

OS: Microsoft Windows 10 GPU: Nvidia GTX 1060 Monitor: Philips 272E1CA The monitor reacts correctly to any DDC command over HDMI, no matter which input source is currently active. But DDC over DP only ...
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119 views

Daisychaining 2 DisplayPort 1.2 monitors causes both to turn off

I have two Dell U2414H monitors for my desktop. They worked great for years. A while back both monitors did not turn on after restarting from a Windows 10 update. Having an additional laptop, I lived ...
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Monitor pixels display both current program and previous image in alternating rows

As the title suggests, I have an issue where, in alternating rows, both the current program and the previous image on screen are displayed. The previous image rows are locked and unchanging. This ...
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337 views

Screen blinks/flashes while switching monitor due to KVM + DP

This will be a long story because I need top share all observations in case any of it is relevant. My monitor has a direct DP connection to my PC (for high refresh rate) and an HDMI connection to an ...
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Intermittent display issue

The symptom is the TV is connected and will display the computer output and then go black then blink back to the computer desktop, then back off and eventually will go to a screensaver screen but ...
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In windows 10, in a multi multi monitor setup, my second monitor never goes to sleep

When my PC goes into sleep, my first monitor goes into sleep but my second monitor stays on displaying black. The windows power plan is set to switch off the monitors after 10 minutes. And it's indeed ...
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28 views

Display blank if I start my computer first and then turn on my monitor

If I turn on my monitor and then my desktop computer everything works fine, my if I turn on my computer first, when I turn on the monitor it acts as if it was not plugged in. My monitor is an AOC ...
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Black Screen on Boot & Resume From Sleep with DisplayPort

I am having an issue on a new system build where occasionally on boot and resuming from sleep I get a black screen. I've read thousands (ok...maybe hundreds) of posts and articles regarding similar ...
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Fedora 33:: External monitor::HDMI2DP adaptor:: wrong palette/colors

So, a monitor that over a standard DVI works without problems, through a HDMI to DP adapter have really wrong colors. All the monitor information and decoded edid can be seen here https://pastebin.com/...
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910 views

Will B450 + Ryzen 5 3400G display in 1440p 144Hz

I currently have a 1440p 144Hz monitor with Ryzen 5 2600 and an Nvidia GPU, the system currently is able to display 1440p at 144Hz. However, I am looking at swapping the Ryzen 5 2600 (which contains ...
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Display Port 1.2 Daisy Chain with a DisplayPort to HDMI at last monitor

I recently bought a Dell p2419HC monitor which has type C port to connect laptop then Display port out for Daisy chain , but my other monitor does not have display port, can I use below connection My ...
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What is the advantage of connection to the monitor USB-C port vs. the display port

Some monitors have, among other ports, a display port connector as well as a USB-C connector. Assuming a laptop also have a USB-C port with a THUNDERBOLT 3 support. Is there a real difference, in ...
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Monitor no longer works

I was having an issue with a monitor. It was working before but I was trying to move it to a different port. Specifically it has hdmi and vga ports and I was using it with vga. I then tried the hdmi ...
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134 views

Monitor buttons acting totally incorrectly - trying to switch input source instead of showing the OSD

I am a bit new here, English is not my native, so I am sorry for any possible misspelling. I have a very odd problem - my Xiaomi Mi Surface Display 34" monitor buttons act really strange - ...
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Samsung 43" CJ89 Dual input height difference issue

I recently got myself a Samsung 43" CJ89 Super Ultrawide screen and I love it, but one thing is bugging the crap out of me. I use this monitor mainly for working activities due to Corona and the ...
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Connect 2015 macbook air to imac display

I'll be working from home so need a larger screen than on my 13" macbook air. I have an iMac 25" that i can use as the external display; it's useless as a desktop! The macbook has a ...
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80 views

Monitor never detects input, turns off within a few seconds - Samsung LCD lu28e590ds

My monitor has caused me troubles before, whenever I unplug&replug the input cable, it could take ~1 hour to detect the input. In the past I ensured not to unplug it, so over nearly a year it didn'...
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122 views

How to connect monitor speakers and external speakers

I am trying to daisy chain all of my speakers to enhance my audio set up. I have dual (extended) monitors, each connected to my pc through display port (in case it matters, it is dp to hdmi). Since ...
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Dell U3214Q at 4K/60Hz over DP1.2 has image difference between left & right halves

I’ve noticed subtle differences between the image on the left & right sides of this display. For instance, white on black text appears slightly brighter on the left side. The transition is sharp; ...

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