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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596 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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3k views

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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0answers
558 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 screen,...
3
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0answers
146 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
652 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
90 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
699 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 ...
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0answers
29 views

Bumblebee with HDMI on Nvidia - Make usable both with/without connected monitor

I use an Asus laptop with Optimus. The VGA output is wired to the Intel card, while the HDMI output is wired to the Nvidia card. I'm not using PRIME or nouveau, but prefer a bumblebee setup (the only ...
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0answers
66 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
202 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+ ...
2
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0answers
2k 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 ...
2
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0answers
416 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 4K@...
2
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0answers
164 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
134 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
1k 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
231 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 ...
2
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0answers
297 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
957 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
votes
0answers
233 views

TV still detected as monitor when off

I have a desktop computer connected to a monitor via DVI and an Hisense HDTV via HDMI. I have the opposite problem that a lot of people have encountered. Even when I turn my TV off, Windows still sees ...
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0answers
252 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
444 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 normal....
2
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0answers
220 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
486 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 ...
2
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0answers
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 ...
2
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0answers
463 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
700 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 ...
2
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0answers
1k views

Can not get sound over HDMI in Kubuntu 9.10

I have used a HDMI cable to connect my LCD (which is connected with my speakers) with my Nvidia 275 GTX graphics card. I can not get the sound output to work. The hardware itself is working probably - ...
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13 views

Gopro HDMI > Google Cardboard (DIY Video goggles)

I want to pipe the HDMI output from a GoPro into a split screen view that can be viewed from a phone to be put inside a google cardboard. For reference, I'm trying to recreate top down soccer as seen ...
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0answers
40 views

TV showing 1080P When my computer says it streams 4k (UHD)

So i've bought an LG 43UF680V And it's amazing, but here comes my problem: I have an ASUS X555UJ and in specs it can stream 4k throught HDMI. My screen size says it is 4k, but the tv info panel says ...
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0answers
41 views

How to share the display of a laptop with 8 more laptops without flicker?

I want to have 9 laptops' screens shared. so that one of them is master and the other ones see what is done in it. I thought about teaching softwares such as NetSupport School which it is possible to ...
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0answers
49 views

Windows 10 - Windows won't wake from Sleep S3 if connected through HDMI to the TV

I have a new PC with Windows 10 which I would like to be connected with HDMI to the TV. But if so, the screen does not wakeup after Sleep, I have to turn the PC off with the Power button and turn it ...
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0answers
15 views

Gnome 3 detects my screen differently VGA/HDMI

I have a screen that is correctly detected by gnome in VGA, he said the screen made 40 ", but when I connect HDMI, he said the screen made 7". Can I configure this option?
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17 views

Connecting multiple “additional” monitors to duplicate displays from multiple computers

I have two desktop computers in Room 1, each of which have 2 monitors connected to them (1x VGA, 1x HDMI, each). These 2 monitors are dedicated to the individual computer they are attached to, and are ...
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0answers
48 views

Why does text seem a little blurry when I switched from DisplayPort to HDMI?

I recently switched to another laptop that doesn't have a miniDisplayPort, only USB Type-C. I haven't got the adapter for type-C yet so I'm using an HDMI cable to connect to my monitor (2560*1440,60Hz)...
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0answers
54 views

TV connected to PC via HDMI stopped working

I have a PC connected to a Sony Bravia TV via HDMI. It worked fine for more than a year until it started to lose signal from time to time. And then one day it stopped working at all. I don't think it'...
1
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0answers
96 views

HDMI not working while plugging in Power charger to the laptop (works fine with battery only)

I have an Acer Aspire 6930 with Nvidia 9600m GT GPU, there is a weird issue that occurs when I connect the Acer Aspire to an LG TV with HDMI cable... the Laptop recognizes the TV and everything seems ...
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0answers
80 views

Broken Laptop Screen - Display BIOS in External Monitor [Dell XPS l502x]

My laptop screen broke recently, so I connected an external display via HDMI. Though I can boot into Ubuntu, I still have to wait until the system boots to the login screen to see any output to the ...
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0answers
20 views

How can I fix letterboxing / stretching?

I'm using a Samsung syncmaster 2032mw TV as a pc monitor, it works perfectly fine over vga but I want sound and there's no space / sockets for the speakers I have. I opted to use HDMI which is perfect ...
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0answers
183 views

DVI to HDMI/DisplayPort with 2560x1440

I am having two 2560x1440 screens with HDMI, DisplayPort and mini-DisplayPort inputs (2x Dell UltraSharp U2715H). My goal is getting them to work with the following motherboard at their native ...
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vote
0answers
47 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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0answers
30 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
58 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
20 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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0answers
56 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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0answers
82 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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0answers
341 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
159 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
76 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 ...