HDMI (High-Definition Multimedia Interface) is a widely used interface for transmitting audio and video signals between devices and displays. Many PCs now include the ability to output audio/video directly to an HDMI port.

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Does Chromecast or Amazon Fire TV Stick work with a computer monitor?

I'm interested in knowing whether these media streaming sticks work with regular PC monitors (with HDMI ports), and not just HDTV. I couldn't find it in the product descriptions on their websites. Has ...
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53 views

USB 3.0 docking station dual display poor performance

I got a plugable USB 3.0 docking station in order to set up my laptop with dual monitors. The problem is, the display performance of the monitor hooked up to the docking station via an HDMI cable is ...
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23 views

Win 8.1- My second monitor stop working after the boot

I tried to use a screen (a TV actually) on my laptop, it worked for few seconds and then it's not recognized anymore after the bootup. I tried to use another screen on my laptop and it worked well. I ...
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56 views

Windows audio stops working when playing games through a receiver

I have a Windows 8 desktop with two nVidia GeForce 680 GTX video cards. When I connect the video card to a TV via HDMI the audio through HDMI works fine all the time. When I connect the video card ...
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18 views

Win 8.1- second monitor stop working after boot

I tried to use a screen (a TV actually) on my laptop, it worked for few seconds and then it's not recognized anymore after the bootup. I tried to use another screen on my laptop and it worked well. ...
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123 views

How to select which sound output device to use for /dev/dsp OSS emulation?

I have a system with two sound devices and am using sound via HDMI out. This is Card 1, Device 7, Subdevice 0, so I set in my /usr/share/alsa.conf: defaults.ctl.card 1 defaults.pcm.card 1 defaults....
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105 views

Acer X193W monitor keeps displaying “no signal” after connecting it to laptop's HDMI port

I've had a 19" Acer X193W monitor lying around for a while now since my desktop PC crashed, so today I decided to have the monitor as an external display for my laptop. I went out to get an HDMI to ...
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35 views

I'm using a TV as a monitor. Why are my resolution choices so limited when the TV supports more?

I am trying to use this tv as a monitor. As you can see, this tv supports 1920x1080 full HD. However, when I plug it into my Windows computer (which can easily support this, it supports it on other ...
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1answer
23 views

How to create any application window that should not pass to projector screen on mac?

I want to know there is any way to write a application on mac, and that application window should only visible on screen even that system connected to projector screen. For Example: If i write some ...
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26 views

Monitor refresh rate dropped

Today I bought HDMI cable to connet my tv as a "secondary monitor" to my pc. But after I've plugged it in, the refresh rate on the main monitor dropped significantly. Any info I find in the AMD ...
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1answer
162 views

Why isnt my laptop connecting to my external monitor?

Alienware M17X-R3 Windows 10 (this might be the problem...) DVI-D cable HDMI to DVI adapter ACER external monitor model no. G236HL For some reason, my laptop won't display anything on the external. ...
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28 views

HDMI splitter (dual screen)

I am looking for a way to connect two monitors to my laptop. I was thinking of having an HDMI splitter and then two HDMI to DVI cables to my screens. Does a HDMI splitter which can split the display ...
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31 views

HDMI Audio device no longer appears as playback device

After a windows update connectiong my television to my notebook with an HDMI cable does not reproduce sounds as it was always doing. The sounds now come only from the notebook speakers. Looking into ...
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189 views

Permanent Blank Screen after lid close? -Ubuntu 14.04

Can you guys be of assistance? Ubuntu Newbie here. Hp M6 Envy laptop I closed my lid to move with my laptop and by the time (10 mins) i opened it the screen was totally blank not black , blank. I ...
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2answers
233 views

Weird lines on screen – possibly graphics card issue

When Windows boots to the login screen, my whole screen goes fuzzy with lines and weird pixels all over moving about looking glitchy. When I updated my graphics card to the default "Microsoft Basic ...
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28 views

HDMI splitter making the resolution go weird

I bought a hdmi splitter in hopes of connecting two screens to show the same picture. Alone, they connect good, but when I use the splitter, I get an image but its in forced 640p and I can't seem to ...
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1answer
56 views

Does Windows 8 output different hdmi signal?

So i bought this http://www.kanex.com/xd Their old website used to advertise that it would work with a PC (in the Q&A section). I bought it so that i could send my PC signal to my IMAC 27" late ...
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60 views

HDMI out on a tablet doesn't work with a 17" LCD monitor

I have a problem getting HDMI out of my tablet playing nice with video inputs of an old 17" monitor. Monitor in question is this, and the tablet is this. Monitor works just fine when connected to a PC ...
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401 views

Sound Output Through 3.5mm With HDMI Connected

I have two monitors (ASUS VH238-C) and I am trying to get sound to play through both of them. The current setup is as follows: Main monitor is connected through HDMI. Second monitor is connected ...
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19 views

Radeon 7870 ignores HDMI connection (Windows 8)

I have a steambox built on top of Radeon 7870. The problem is, it doesn't recognize HDMI connection anymore - i've successfully projected it's Windows onto my Mystery TV for once (i want to emphasize ...
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534 views

2560x1080p not working on 21:9 display in Win10 Geforce 9500 GT HDMI

The title pretty much sums it up. I have a GeForce 9500 GT card (it has one DVI and one HDMI connector). According to its specs it should go up to 2560x1600. Now I tried to connect to an LG 29UM57 ...
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155 views

hdmi to thunderbolt in for macbook

The goal: Get apple tv to play on my external display. The components: Apple TV (4th gen) Macbook Pro (mid 2015) w/ports 2x thunderbolt, 2x usb, 1x hdmi, 1x audio out / mic in. Apple Cinema ...
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162 views

Laptop resolution cap below monitor 2560x1440

I have a few questions which Googling attempts have failed so asking here. So I have a hp-7063sa laptop, I've hooked it up to a bigger screen ( dell u2515h) to use it as a stationary machine. The ...
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421 views

HDMI not recognized on Samsung TV

I know it's not exactly what SU is about, but I didn't know where else to turn at this point. I'm trying to hook up a Samsung LA32S81B television to my/a computer using HDMI. This is a moderately old ...
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58 views

Running 2 Monitors with a Laptop - Need advice on phantom monitor

I have been trying to connect 2 monitors to my laptop (Samsung NP700Z7C-SO, Windows 7), but I cannot seem to get the set up correctly. One of my monitors is connected through HDMI, and the other ...
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97 views

GTX780 : Monitor shows “no signal” but does show image after turning off then on

I have a Asus GTX780 plugged to a Philips 227E Monitor through HDMI (Monitor having an HDMI and VGA input), the issue I'm having is OS independent, whenever i turn on my PC, my monitor immediately ...
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2answers
46 views

How to set up 2 unique VGA monitors?

I have this desktop, which has 1 VGA and 1 HDMI output ports, and two monitors with VGA inputs. If I get a HDMI to VGA converter, will I be able to have 2 unique screens, or will I just show duplicate ...
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22 views

Is my Monitor Non-Compatible with HDMI Cables?

I have two AOC e2050Swd set up for my computer. I'm trying to set it up so I can switch to a different system on one monitor (be it for gaming or watching a movie off a dvd player) but it doesn't ...
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1answer
31 views

Is there a way to feed any modern monitor without powering it?

I am thinking of a MiniPC with a wire to a monitor, without plugging the power as well again for the monitor, but I am reading HDMI, USB3.0, DisplayPort, DisplayLink specs, and they all say it's ...
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1answer
283 views

Trying to hook up Dual Monitor Samsung S32D850T but can't get 2560 x 1440 using a ASUS GFX 970

I have 2 Samsung S32D850T 32" monitors (S32D850T) that work great through DVI however the top resolution I can get from them is 1920x1080. Of course the drivers of the graphics card (ASUS GFX 970) ...
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1answer
309 views

Sometimes when I turn on my computer, all I get is static on the screen

I connect my computer to my TV via HDMI. When I wake up the computer (I usually only put it to sleep), and the input is already on the PC input, all is well. However, if the input is on ANY OTHER ...
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27 views

Strange HDMI behaviour between Smart TV, PC, and Raspberry PI

Today my HDMI connection between my PC and the TV stopped working. Until now it worked flawlessly with both windows 7 and Ubuntu 15.04 (Dual Boot). I was using a DVI to HDMI adapter to connect the ...
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1answer
370 views

HDMI and USB monitor at the same time on Windows 10?

I have a USB monitor and a HDMI monitor - each of them work fine when plugged in by themselves. However, when I plug both of them in, one will stop working. As soon as I unplug one, the other will ...
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61 views

How operating system exporting window screen to projector?

I have some queries regarding how operating system exporting window screen to projector to display on some screen?. For Example: When we open power point presentation on our laptop/desktop and ...
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41 views

Proper configuration of HDTV on Toshiba laptop

I've recently bought a Toshiba Satellite L50-C1709 which has a Geforce GTX 950M 4GB graphics card. Today, I bought a Samsung Smart TV 22" to use it as a monitor (I might replace it with a 24" tomorrow)...
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215 views

Can't run 3440x1440 monitor and 1920x1080 monitor at the same time

Relevant hardware: Acer Predator XR341CK 75Hz 34.0" Monitor Samsung 49UB8500 TV MSI GeForce GTX 780 3GB TWIN FROZR Video Card Asus Maximus VI Extreme ATX LGA1150 Motherboard Corsair 1200W 80+ ...
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1answer
19 views

Monitor (TV) shows as active even when turned off

I have my primary PC with the monitor (DP) and TV (HDMI) connected. When I turn off the TV, my PC till shows that TV as active display. Any ideas?
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52 views

3 Monitors via Crossfire x2 graphic cards

I have previously been using a USB 3.0 to support my 3rd monitor, but my Dell monitor only supports 1080 on HDMI annoyingly. I have tried every combination I can think of on my 2 separate graphic ...
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1answer
569 views

Does the Gigabyte GTX 960 graphics card support DisplayPort dual mode DP++?

I currently run three DVI-D monitors on an aging Radeon 5770HD. Two monitors are plugged into the HD5770 and the third is plugged into the motherboard graphics port. I have 3 monitors mostly for ...
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20 views

Auto-switch for AMD CCC

Is there anyway to automatize process for switching of screens in AMD CCC? I have 2 DVI monitors + 1 HDMI output for my TV which makes AMD CCC go crazy, because it refuses to join all screens in same ...
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33 views

How do I select which Graphics card to use

Ok so I know this is a silly question but I have a graphics card installed to my pc and it is being used with an hdmi cable to my monitor. However when i go to the Display setting in the control panel ...
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1answer
363 views

Lync 2013 no audio device without webcam

Hope someone has a solution to this. Let me describe the issue, I work at a company where we have Cisco MX300 G2 meeting room screens, those screens has built in speakers and works fine with the ...
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13 views

on my macbook HDMI-out sound is switching from the HDMI-out component to internal speakers when I close the laptop

Its all in the title, but basically I'm videoing out from my macbook (yosemite version) to a second monitor which has speakers that can receive audio from the hdmi cable, once selected in the System ...
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49 views

ASUS EAH 6850 triple monitor support- can't save display settings

I am trying to install a third monitor, but my computer wont save the configuration when I go into "Screen Resolution" and select "extend desktop". The error message is: Unable to save display ...
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15 views

Capabilities of new & upcoming Wireless based Display protocols & mechanisms?

The up & coming High Resolution/ HiDPI QHD, UHD, 4K Displays are currently being supported by newer & more capable revisions of Display Port, HDMI and possibly some merging/ overlaps with ...
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145 views

nVidia graphics card output doesn't work

I've been having an issue lately, my graphics card (Asus GTX 560 ti) refuses to output a signal through the mini HDMI port, my screen only has HDMI and VGA so I can't try DVI port. Thinking I had ...
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52 views

How to chose proper HDMI resolution for my LCD TV to fix aspect ratio problems?

I keep having aspect ratio problems with TVs in general once I use HDMI. But the TV I'm setting up now is especially important because I have it in my room and I want to use it as an external monitor ...
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63 views

Is it possible to detect unauthorized HDMI/DVI screen grabber? [closed]

We are a small IT company, potentially dealing with sensitive data, no top secrets but still. We would like to enable employees to work from home, connecting to their desktop using some remote desktop ...
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112 views

Connecting more than 2 monitors to PC

What are possible ways to connect more than two monitors to my PC? I know two ways: graphic card with more than two video slots two graphic cards to support more than two video slots. But what ...
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1answer
52 views

Can a TV decode audio passed to it from a HDMI port?

Simple question: A movie is being transmitted via the hdmi port of a tv from a device like laptop/computer/mobile . Which device does the audio decoding ? Will it always be the device sending the ...