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 ...
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461 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 ...
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40 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 ...
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79 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 ...
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527 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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458 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
128 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 ...
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148 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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56 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 ...
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528 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 ...
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0answers
149 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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171 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
812 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 ...
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0answers
175 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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363 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
209 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 ...
2
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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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0answers
626 views

Why is my Toshiba Satellite L675D laptop not connecting to my HD TV using an HDMI cord?

I'm having a problem connecting my Toshiba Satellite L675 laptop to my Samsung HD TV. I've done it before using an HDMI cord but now, for some odd reason, it's not connecting at all. My computer ...
2
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0answers
451 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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931 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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434 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 ...
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0answers
629 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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56 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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46 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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109 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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58 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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19 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 ...
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14 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 cable -> HDMI-DVI adaptor -> monitor. Sometimes when I plug or unplug the audio jack from my ...
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0answers
81 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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288 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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534 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
52 views

All of my graphics card's digital intefaces are not working

About my gear For some years I have a Club3d Radeon 7970 RoyalKing graphics card, which has a DVI-I, DVI-D, HDMI and two mini DisplayPort outputs. I've used it with a passive DVI-I to VGA (D-SUB) ...
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0answers
73 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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96 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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168 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
42 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 ...
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46 views

Text looks terrible on second display

I'm running Windows 8.1 and have two HDMI TVs hooked up to my PC, one I use regularly and one I've just hooked up as an extended display. Problem is, text looks terrible on my second display! I've ...
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0answers
203 views

Setting up Screen mirroring on non smart TV

I have a non smart TV with no inbuilt screen mirroring capability , just a simple HDMI port and two android devices HTC one mini and HTC desire 816 both of which do not support MHL. What would be the ...
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0answers
284 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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0answers
11 views

Issuing On/Off command to Monitor

I am using Windows 7 with a AMD R7 Serise graphics card. I was wondering if/how i could issue a on/off command via the HDMI port when my computer shuts off/goes to sleep mode. I know that this card ...
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0answers
100 views

connected laptop with TV- sound from tv not working

I have connected a tv via HDMI to a laptop running ubuntu 12. I can see the video on the televsion but the sound plays from the laptop and not from the television. Any ideas on what I need to change ...
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0answers
249 views

Games, Windows 8.1 and 144Hz display

So I have been having problems with few games after switching from 7 to 8.1, which seems to be related to my 144Hz monitor. Few examples: Shank, Shank 2, Blood of the Werewolf, Astebreed, the Sims 2 ...
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0answers
39 views

Playbak device not recognized when using HDMI

I recently purchased a new laptop that came with windows 8.1 . When I first got the computer I tested that when I plug in my HDMI cable into the computer and connect it with the TV, the TV is ...
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45 views

Manage computer state with HDMI connection

I have a windows 7 machine with this motherboard and this tv that I would like to convert into a media center. I do not want the system running 100% of the time (trying to keep costs down) so I'm ...
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99 views

Philips 202el only shows display if both vga and dvi are connected to my cpu

This is really weird since I never encountered such trouble like this. So my display is connected to video card which is an ATI HD Radeon 4650. My VGA ports and cable are okay as well as my DVI ports ...
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0answers
205 views

Windows 8.1: HDMI switches of after 20 min, where to prevent?

All, I've got an HDMI cable connected to my amplifier for sound/video. After updating Windows 8 to 8.1 my audio system automatically switches to my PC speakers. When touching my PC again it comes ...
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0answers
109 views

When switching my default playback device on Windows 7, the programs all change to the newly set device

I had it set up so that if I had my default playback device set to HDMI and then I opened Firefox to play Netflix, I could change the default playback device to Speakers and play a game. Once I did ...
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0answers
364 views

pc monitor not recognized anymore with hdmi connection

Problem: my monitor (asus vk228 series) suddenly stopped being recognized by my laptop (msi gt60) when im using a hdm connection. vga connection works. furthermore every piece of hardware seems to be ...
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343 views

wake laptop over hdmi from tv?

I have XBMC setup on my laptop, which is connected to my tv via an HDMI cable. On the laptop I am running ubuntu 13.10. Would it be possible to have my laptop sleep and wake depending on whether the ...
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0answers
310 views

TV Not Detecting Computer via HDMI, Need Restart Computer

I have my desktop computer connected to my TV via a HDMI cable. Being like this for the past two years without issues. Recently, my TV is not detecting the computer and I'll need to restart my ...