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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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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6 views

How practical/usable is HDMI streaming for work (software development)? [on hold]

I am a software developer working with Visual Studio mostly. 70% of my computer time will be either staring at Visual Studio or Google Chrome (reading blogs and such). The other 30% will be either ...
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18 views

Monitors flicker when hdmi connected TV turns on

I have my 3 main monitors and a large TV screen connected to my computer with HDMI. When I turn on the TV screen all my screens just flicker once and I lose the screens for a few seconds. The flicker ...
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23 views

Monitor goes black

I've connected a second monitor to my laptop and it was working well for a few months, but recently sometimes when I'm doing ordinary stuff it goes black for a few second and comes back to normal. I ...
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27 views

Forcing higher refresh rate on HDMI - bad for the system?

I have a laptop with Optimus technology: Intel HD Graphics 4600 and NVIDIA GeForce GTX 860M. I'm able to add custom resolutions with the Intel GPU control panel. I know that HDMI 1.4a officially only ...
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1answer
28 views

Convert hdmi to dvi to vga [duplicate]

I'm trying to hook up a projector that only has an VGA input to my laptop that has only an HDMI output. I would like to avoid spending extra money on a HDMI to VGA converter box, is it possible to do ...
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1answer
71 views

Cant select which HDMI/DisplayPort monitor to output sound to

I've been banging my head against this issue ever since I got a third monitor. I have searched all over and can't seem to find anyone having the same issue. Currently I resort to physically ...
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45 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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1answer
17 views

How to prevent sound switching from speaker to hdmi when monitor is reactivated?

After the screen saver kicks in, my monitor is being switched off. When I move the mouse, the monitor is being switched on and grabs the sound. I have to switch back to speaker manually. How do I ...
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19 views

How to have apps appear on both volume mixers?

I can connect a TV via HDMI. Sometimes both volume sliders appear when I click the volume icon. In that case all apps appear in both volume mixers (with one of them being muted) and I can control the ...
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2answers
52 views

unable to manually change hdmi resolution when using a tv as a monitor

Recently i hooked up an old tv for use in my home studio. It is a 32" JVC LCD screen...pretty old: http://www.cnet.com/products/jvc-lt-32g80su-32-lcd-tv/specs/ What I want to do is to connect this TV ...
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1answer
40 views

HDMI and power saving mode

As documented in this question, I recently bought a new Samsung monitor and connected it to my computer using a HDMI connection; this monitor just doesn't seem to support any power saving mode: it ...
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21 views

WiFi GamePad App from Android Device to Android Device

Does anybody know an app for Android Devices to use my phone as a gamepad for my tablet. I'm using my tablet as a "Smart TV" with a HDMI cable connected to my TV, and i wanna play games. P.S. The ...
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38 views

Windows 8.1 Gigabyte GTX 750 dual HDMI monitors only 1 plays sound

I am using Gigabyte GTX 750 which supports dual HDMI out. I have both HDMI cords going to my dual monitor setup (one cord per monitor). The monitors have built in speakers that sound decent so I want ...
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21 views

Asus Ranger 200 video card not showing HDMI or DVI output

I have an Asus Ranger 200 video card which doesn’t want to show any output. I try another card and it is working, my screen is a Samsung S24A300B, the problem is that the Ranger is not working both on ...
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1answer
79 views

External HDMI monitor, Dell Inspiron 15 (7537)

Since I bought it, my Dell Inspiron 15 (7537, with Nvidea GeForce GT750M graphics) was plugged into an old 1920x1200 24" monitor... until, recently, the (very-old) monitor spectacularly died - with a ...
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53 views

Windows 8.1 cannot detect HDMI audio on older display

My Windows 8.1 PC does not recognize my old HDMI monitor as an audio playback device. Everything was working fine with a newer monitor, but when I switched to the older monitor, I got no sound. I ...
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1answer
25 views

How to hook up a laptop to a Dish satellite? [closed]

I'm trying to watch movies from my laptop on an actual TV. The TV itself does not have an HDMI port, but the dish satellite (ViP722 DVR) does. Is it possible to do this through a dish satellite using ...
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1answer
40 views

Samsung monitor not going into power saving mode

I have recently bought a Samsung LT24D390 TV monitor, which I connected to my computer using a HDMI cable; the video card is a GeForce GTX 560 Ti, the O.S. is Windows 7 x64. The monitor works as ...
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1answer
18 views

Second monitor not working through Hdmi over Cat6 extender

Im trying to connect to my second monitor to my PC using a hdmi to Cat6 extender. The solution consists of a transmitter and receiver unit, which are connected together with a Cat6 cable. Each end is ...
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1answer
63 views

How to emulate EDID on HTPC so it can be run headless

as my title, i need some way to make my HTPC think there is a screen connected, because when i connect to it thrue VNC or Teamviewer the screen is all black when there is no screen connected. so my ...
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1answer
39 views

how to setup separate desktop session to laptop from TV

My wife and I need the laptop but we have only one. Actually I have an office laptop too which is crap but I can't let her browse on that. The laptop runs Windows 8.1/Ubuntu 14.10 dual boot. I also ...
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1answer
36 views

Is it possible to use HDMI for audio and VGA for video on one computer?

I have a professional Yamaha home theater system that I plug up to my windows 7 pc (via HDMI) for playing audio. My tv is broken and I can only use my monitor to display video. This monitor does not ...
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29 views

Tv and Computer connection HDMI

Using A DVI to HDMI adapter on my GPU connected with an HDMI cable to my HDMI slot on my LG TV UN32E5000. My TV loses connection when my PC sleeps or I push Ctrl + Alt + Delete. TV has latest ...
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1answer
82 views

Maximum available resolution is 1080x1920 when connecting UHD monitor using hdmi

I just purchased a 4k Samsung Monitor (Samsung u28d590ds), and the problem is that when I connect to my laptop through hdmi the maximum available resolution is 1080x1920. From what I understood is ...
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11 views

Monitors consistently powering on and off for roughly one hour after being turned on. What might be the culprit?

I connected 3 external monitors to a Surface Pro 2 (Windows 8) by placing the device in the Surface Docking Station, and connecting: One USB port to a single HDMI cable via an External Graphics Card ...
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29 views

Is it safe to use a dummy hdmi plug?

I want to connect a "dummy hdmi plug" to my graphics card to enable a extended screen and show the contents of the extended screen on my tablet (over vnc), can I damage my graphics card if I use one ...
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38 views

Display, USB Peripherals (Mouse, Keyboard) Not Working, GPU Seems Fine

Windows 7 Operating System, NVidia GTX 660 GPU, LG IPS monitor, Novatech peripherals. My friend was playing Darkest Dungeon while I was out working. They texted me to let me know that my monitor had ...
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40 views

Multi-monitor set-up: Prevent OSX from changing main displays when switching HDMI input

I use a multi-monitor set up with my Macbook Pro Retina (2012) where I connect one 24-inch monitor through a DVI to mini-display cable and a 32-inch monitor using an HDMI cable. The 32-inch is my main ...
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27 views

Send out audio only with HDMI from an AMD Radeon Video Card

Recently just got a 4K monitor, in order to use 4K@60Hz, I have to connect it with a DP cable but also I connect my computer to a AV receiver via HDMI cable - apparently I don't need video over HDMI ...
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1answer
49 views

Get max resolution from my i7 2600k

I have an Intel i7 2600k in my z77 Extreme 4 mobo. I know it's "last generation" but I love it ;) it runs smooth and without problems but I have a new need now: I want to put a high res monitor on ...
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1answer
45 views

3 Screen Setup with 2 MiniDP, 1 HDMI, 1 DVI Port Available?

I have a GPU with 2 mini display ports, a dvi port, and an hdmi port. I have previously tried to set up three screens with this but wasn't able to do so as the displayport screen didn't show anything. ...
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76 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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15 views

2nd Gfx card that will display BIOS on boot?

Recently replaced an XFX AMD HD 6450 with an ASUS Nvidia 750 ti. As the Nvidia card does not display boot screen on HDMI as did the AMD, I would consider installing a compatible, low power, low ...
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30 views

HDMI/VGA/DVI: No cable attached within 5 minutes, no signal

My situation: My pc is connected to my receiver with a hdmi cable I start my pc 5 minutes later I start the receiver Problem: No signal. Hitting the keyboard, it doesn't matter, there won't come ...
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1answer
28 views

Graphics Card Won't Fill Screen

So I am currently using a GeForce GTX 650Ti with three monitors. Two of which I have hooked up via DVI and my TV which is hooked up via a Mini HDMI port (Goes into a receiver first and then the ...
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13 views

How to check if windows sees a (micro HDMI) video port

I have an Asus T100TA and for some reason, micro HDMI output does not seem to work. So I've started wondering, does Windows even acknowledge the port exists? I can't see any suggestion of that ...
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32 views

HTPC messes up HDMI ARC

I have an Intel NUC (running Windows 8.1) connected to my TV (Philips 49PUS7809/12) using an HDMI cable and I have a Philips soundbar connected to my TV. The soundbar works perfectly with my TV using ...
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88 views

Suddenly no HDMI signal on a LG 42LE8500

After reinstalling the OS on my laptop the HDMI signal does not work anymore. Everytime I power on the TV on the HDMI input I get the "No Signal" message on the TV. The laptop has an ATI 5850 which ...
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2answers
49 views

Use a laptop to convert VGA to HDMI

I have a laptop with both a VGA output and HDMI output and was wondering if I could use this to convert a HDMI input into a VGA output. If this is possible how could it be done and if not why not?
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31 views

Audio through HDMI when HDMI > DVI adaptor is plugged in

I have two output devices plugged into my graphics card. (ATI HD5850 - latest drivers installed 14.12). A TV with speakers A monitor that does not have any speakers. The TV is plugged in directly ...
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170 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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1answer
57 views

Convert WQHD from HDMI to DVI-D or Display Port

I have monitor (DELL U2713HM) with WQHD resolution (2560x1440) and he support full resolution by DVI-D and DisplayPort and there is problem but in my laptop (MSI GE60) support this resolution only on ...
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44 views

HDMI out to Composite: Can you scale down from native resolution to 480i?

I have an HDMI cable and a HDMI-to-Composite adapter purchased from RadioShack; this is the yellow-red-white cable in case I get the name wrong. My Lenovo Thinkpad Yoga 14 has an HDMI out port. When ...
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1answer
45 views

Do I need dual video card to use my computer and TV monitors at the same time? [duplicate]

I use my TV monitor to stream video while I'm working on my computer screen. My computer is about to crap out. Do I need to purchase a dual video card in order to make this work or will just one ...
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0answers
16 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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13 views

How does the GPU part of an APU output video?

Doesn't an using an APU mean you have to buy a video card or motherboard with integrated graphics and not use much of the functionality, just for the video outputs?
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1answer
27 views

2 sets of mirrored monitors windows 7

I have a graphics card with 2 dvi outputs. I have 2 monitors and a hdmi switch that goes to a hdtv. I am trying to see if its possible to mirror each dvi output so that each dvi has 2 receiving ...
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41 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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2answers
23 views

Having an issue getting picture from my laptop to my tv

My laptop is connected to my HD TV using a HDMI cable. I was getting picture before my laptop had to restart. Now after the computer rebooted I am getting no video signal. I checked the HDMI cables ...