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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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 ...
4
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523 views

Switching between two monitors on HDMI / DVI, different resolutions

In the living room, I've a PC connected to the 1080p plasma TV, over HDMI (with a DVI/HDMI adapter plugged into the GeForce card). In the bedroom, I've another PC, connected to a 1920x1200 LCD ...
3
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0answers
60 views

Computer does not display output to the screen

I am writing this post with connection to the new computer which I had bought recently. When I have plugged everything and turned on computer, then it is looks like running (light + DVD ROM are ...
3
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0answers
33 views

Pc will not boot - power over HDMI?

So i encountered the strangest issue with my PC today. I was using it last night, i shut it down as normal, then this morning, nothing, checked power leads, tried to remove power hold in power for 30 ...
3
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0answers
117 views

Sending only video out of HDMI cables – Mac OSX 10.10.3 (Yosemite)

I have a similar question to this one but I'm on Mac OSX. I currently have a laptop, a second monitor (via HDMI), and a third monitor (via HDMI/thunderbolt adaptor). If I have sound playing, I only ...
3
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423 views

No HDMI output on Debian 8 laptop

WHAT DOESN'T WORK: I'm running Debian 8 on a Dell M4800 laptop and I'm unable to get it to talk to a new external monitor via either HDMI or DisplayPort. The Debian 8 (Mate) Live USB also does not ...
3
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0answers
84 views

visual audio monitor/global spectrum monitor

i am trying to find a standalone spectrum visualizer that would allow me to monitor any output, specially surround, i send to my home theater via HDMI. i am familiar with this foobar's spectrum ...
3
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0answers
645 views

HDMI PORT not working

I have a ASUS K53SV laptop. I was using the HDMI port for about a year with my Samsung TV, and an external monitor. One day it lost signal and now my laptop no longer displays picture or sound through ...
3
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0answers
542 views

Geforce GT 540M on HDMI

I have a First FSM-270 2560x1440 monitor that I can seem to get to work. My laptop has is an ASUS with GT 540M graphics card, I am not sure but it only seems to drive the VGA output. There is a HDMI ...
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0answers
25 views

Not HDMI output to a smart TV on Laptop HP Pavilion dv7

I have a Laptop - HP pavilion dv7 complete model (dv7 - 6c95dx) with Windows 7. I formatted the laptop repeatedly. I'm sure the problem is not in either the HDMI cable or the smart TV, because I have ...
2
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0answers
326 views

Getting 4K@60Hz via ATI R9 290 display-port on Panasonic TC65-AX-800U

Hi I have an AMD R9 290 card, under linux, with the proprietary Catalyst 14.50.2 driver; the AMD Card only Has HDMI-1.x which can't do 4K@60Hz, but it does have display port which is capable of ...
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0answers
102 views

Connect to External Monitor - Acer S231HL - No Signal

I've been looking for an answer every and can't seem to find a solution. Backstory I recently bought a new laptop with an HDMI port which I want to take advantage of. I have an 23" external monitor ...
2
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0answers
972 views

No audio through display port after Windows 8.1 upgrade

I recently bought a new SSD for my laptop (HP ProBook 6450b with Intel HD Graphics and an i3 processor) and decided to install Windows 8 on it, I used Windows 7 on my previous drive. I've run the ...
2
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0answers
5k views

how to connect “dual mode HDMI” to get 60Hz 4K?

I bought Gigabyte GeForce GTX 750Ti graphics card, that says prominently on the box "4k at 60Hz through dual HDMI". OK, so I tried to connect this by 2 HDMI cables, to 2 HDMI inputs on my 4K TV, ...
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0answers
203 views

Is monitor suspending supported via a HDMI to DVI cable?

My computer has DVI and HDMI video outputs while I have two DVI monitors and a cheap HDMI to DVI cable. Both monitors go fine into and out of standby using DVI-to-DVI connection. Both also display ...
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0answers
249 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 ...
2
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0answers
905 views

How do I stop windows from upscaling my UI?

I have three 1080p ASUS monitors hooked up to my machine. I also have my Samsung HDTV (1080p) hooked up to my PC as well. The middle monitor is set to duplicate to the TV for playing games. The ...
2
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0answers
225 views

Where are the default audio settings located?

In the audio devices Control Panel in Windows 7, there's a button titled "Restore Defaults" for any given audio device -- Where are these defaults coming from? Where are they stored (i.e., on-device, ...
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0answers
427 views

PC freezes when HDMI monitor is turned off

All screens go black and PC freezes when I turn off a monitor connected by HDMI. I can tell that it's frozen since NumLock does not toggle any more. Power-cycling the PC brings things back to ...
2
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0answers
218 views

Connect Lenovo Thinkpad Edge e120 to WQHD display (such as Dell U2711) through HDMI

On paper, the HDMI version of the Lenovo Thinkpad Edge e120 is 1.3, which supports WQHD. Does it actually work? I want to connect the e120 to a WQHD display, such as the Dell U2711 or an Apple ...
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0answers
2k views

Disable HDMI CEC in Windows 7

I always connected my laptop directly to my screen via HDMI. Everything worked 100% for more than a year. Last week I connected my laptop to a Denon amp (AVR) and the amp is connected to my screen. ...
2
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468 views

HDMI with ATI graphics and MB sound. Discrete sound card have any value?

Two questions: With ATI video cards and HDMI, how much sound processing is handled my the video card itself? Would a discrete sound card using the same HDMI setup have any noticeable effect on ...
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1k views

Multiple HDMI Audio Devices in Windows 7

Question: How do I determine which audio capable display gets sound when I chose "HDMI Audio Device" from Playback Devices? Desired End Result: A three monitor setup with a TV being a clone of one of ...
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0answers
452 views

No surround sound over HDMI

I have my Pioneer receiver hooked up to my AMD HD4600 which supports audio output over HDMI. I used to work fine, however, after a recent driver update, it will only output stereo sound. It used to ...
2
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0answers
675 views

Default Audio Output Device Selector

I have a laptop with a HDMI port that I am using at home to connect to a big monitor with speakers. When at home, I want my default audio out to be HDMI. However I also take my laptop to work with ...
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21 views

malfunctioning Matrox TH2G Digital

Have a HP Elitebook 850. Got a Matrox Triplehead2go Digital. Had already the GXM for Digital SE installed on the notebook so uninstalled and reinstalled the one for Digital. I don't know if they are ...
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0answers
24 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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20 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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0answers
36 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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0answers
17 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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37 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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68 views

Audio not being consistently transmitted over HDMI from computer to TV since upgrade to Windows 10

I have an LG TV and a PC with a Geforce GT 220 graphics card connected via HDMI. While the PC was running Windows 8.1 it would transmit audio over the HDMI no problem. Since upgrading to Windows 10 it ...
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229 views

USB 3.0 to HDMI Converter screen resolution issue

I recently bought a “USB 3.0 to HDMI Converter Adapter.” I have problem to use it properly. The product is based on this driver and am using the latest version (v1.1.315.0). I have two external ...
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0answers
107 views

Display Drivers in Fedora

I am using Fedora 22 and having problems with my Nvidia GeForce GTX765M driver. I cannot adjust my laptop screen brightness and cannot output video from hdmi. I did a little research here and on ...
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0answers
1k views

PC connected to HDTV via HDMI, no signal during boot sequence

I just assembled a computer with an Asus Z97M Plus motherboard and an EVGA GeForce GTX970 card (model 04G-P4-2974-KR). The display is a Philips 32PFL5605D/78, which is a 32" TV with 1080p resolution ...
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0answers
73 views

Windows not detecting HDMI?

I recently got a old Dell flatpanel tv with low resolution (1360 x 768). I decided that I would take a old Dell computer (Dell Inspiron 580) I had laying around and hook it up to the TV, but there was ...
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0answers
585 views

Dual monitors go wireless

I will be using the Gigabyte GA-Z97X-UD5H-BK motherboard. So it natively supports 3 monitors output - hdmi, dvi, and vga. To make things complicated, i wish to have my monitors go wireless. I did a ...
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124 views

ASUS VN248H-P Monitor green static/speckling over HDMI

The monitor gets a kind of green static while using HDMI cords. Some cords work better than others, but they all have this speckling of green on dark images. But when using VGA, it's fine. The ...
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0answers
43 views

Issue connecting new laptop to HDTV by HDMI

I recently upgraded from a Lenovo G570 to a Thinkpad T440. I had previously connected that G570 to my Olevia 232 S13 without any issue, and streamed movies and such from my laptop to watch them on the ...
1
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0answers
30 views

Monitor blinking when I plug an audio jack

My Dell Latitude E7440 laptop is connected to a Dell U2312HM monitor like so: laptop -> HDMI-DVI cable -> monitor. Sometimes when I plug or unplug the audio jack from my loudspeakers (brand new ...
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0answers
244 views

How to enable audio output via HDMI from HD 6850?

I have an HD 6850 connected to 32" LCD TV via HDMI. The video is ok, but there's no sound. AMD HDMI OUTPUT is set as default but doesn't do anything. When I right-click and click on Test Windows shows ...
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0answers
662 views

4k Monitors 30hz mouse lag

I have a computer that I need to run about 15 meters or 50 feet away from the monitors. Currently I have two DVI monitors that have resolution of about 2500x1600. I want to run two 4k monitors ...
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0answers
231 views

How does windows 8.1 route the HDMI 5.1 audio data routed to nvidia display card

I would like to understand the whole data flow of 5.1 sound data from a software application to the final output HDMI port. Let's make a very simple scenario. A simple windows 8.1 program, uses some ...
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0answers
1k views

How to turn off power/signal on a laptop HDMI port? (It triggers HDMI switch)

I have a automatic/intelligent HDMI switch . Automatic in the way that it always switch to the latest input that receives signals. I have connected a laptop (Windows 7, ati 4670 with official ...
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0answers
107 views

Why did my computers suddenly stop talking to my HDMI projector?

I have an Optoma ML750 projector that I have been using with my custom desktop for the past few weeks. I connect the projector through a KINIVO 3-to-1 HDMI switcher so I can display my gaming console, ...
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0answers
260 views

displayport + 3.5mm audio to HDMI?

I have a Lenovo W500 and apparently, the graphics card (ati radeon) doesn't support audio output through the display port. But, connecting separately from the headphones to the RCA inputs in the TV ...
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0answers
125 views

Laptop HDMI port not working

I have Sony VAIO laptop with additional monitor connected with HDMI -> DVI cable. Everything seemed to work perfectly fine until today morning. I had computer with own display and second monitor ...
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0answers
319 views

Resolution Error: If your resolution is below 1024 x 768…

Rebooted my PC today and when it restarted, one of my screens is stuck in 640 x 480 resolution. As far as I know, nothing updated. The "monitor" I am referring to is a 40" Vizio TV Model number ...
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0answers
345 views

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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0answers
49 views

How do I make both dvi ports to work to support two monitors?

I need to use two monitors on my Dell desktop computer with Windows 7. But I have difficulty to plug one of the monitors to the correct video port! I have a VGA port on one board which I can connect ...