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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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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53 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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55 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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51 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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30 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
80 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
55 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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132 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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17 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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34 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
31 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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21 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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45 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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110 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
50 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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41 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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259 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
97 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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56 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
54 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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23 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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15 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
33 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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47 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 ...
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1answer
55 views

Use two monitors over one displayport

My colleague has a laptop with one DisplayPort, but he wants to attach two (HDMI) monitors to it. I've seen adapters that can split the signal over two monitors (with the addition of DisplayPort to ...
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3answers
450 views

Second monitor not recognized after boot, connected to new laptop

I just bought new Asus laptop model N750JK. I've tried to connect it to my external monitor via HDMI port (HDMI->DVI adapter). The second monitor displays image on the screen when I start the PC and ...
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1answer
60 views

How to properly connect and configure PC to TV

When I connect my PC (Windows 7) or Mac (Yosemite) to my FullHD Plasma TV, it is properly recognized. However the whole experience is not as good as with a 'native' media player device. The following ...
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2answers
107 views

Can't get third monitor to work

I am running Windows 8.1 (64x bit) with all the latest updates. I have three monitors connected to my PC at work. The connections used are HDMI, DVI and DisplayPort. The DisplayPort connection is not ...
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27 views

windows 8.1 not detecting U-verse box connected on HDMI - Acer Aspire 7600U

I connected my AT&T U-verse cable box to my Acer 7600-U's HDMI-in. But I cannot see the device on the Win 8.1 device manager. Additionally, I have the following issues: 1- I am not able to ...
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1answer
78 views

DisplayPort 1.2 DaisyChain with a DisplayPort to HDMI node at the end of the chain

I recently bought a Dell monitor which has only DisplayPort and HDMI. and I was very excited to learn about the DisplayPort 1.2 daisy-chain. I was wondering if I could create a chain as follows ...
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118 views

Is it possible to force 2560x1440 over HDMI on mid 2010 Macbook Pro?

I am trying to use my mid 2010 macbook pro over one of the two available HDMI ports on the monitor (displayport taken by primary pc). Whenever I connect with the equipment below I can only select ...
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270 views

4k HDMI output with Intel HD graphics/Nvidia

I would like to use a Ultra HD external monitor/TV over HDMI, but the problem is that the maximum offered resolution is Full HD (with output set to External display only). I am running Windows 8.1 ...
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36 views

Use mini HDMI in 4K monitor

I have a video card (EVGA GTX 650) with a mini-HDMI output. Its specifications says (http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-650/specifications) it would support 4K resolution over a ...
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11 views

Asus N56 VZ HDMI video higher than 1920x1080? [duplicate]

I'm trying to drive an external 2560x1440 monitor thru the HDMI out on my Asus laptop. Does anyone know if there is a way to do this, perhaps by hacking the registry or...
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64 views

Why does a certain program cause my TV to lose HDMI output from a HTPC box?

I have an Intel NUC DCCP847DYE running Ubuntu 14.04.1 LTS. I primarily use it as a Kodi media center (XBMC), but have begun to explore other uses. When it's attached to my TV, it works flawlessly on ...
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1answer
396 views

How do I switch the input for my monitor from DVI to HDMI from my PC?

I have a PC monitor which has two ports, one for DVI and one for HDMI. My PC is currently connected to the monitor through a DVI cable. I have a Cable Tv Digibox which is also connected to the same ...
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1answer
238 views

Oculus rift DK2 setup

Ok, so I've purchased the Oculus rift DK2 and whenever I want to use it I have to use it in extended mode and use the direct to rift apps, this means I don't always get to play everything. When the ...
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57 views

Connecting Xbox One to a projector wirelessly

Is there a way to connect Xbox One to a projector without any wires? Maybe Microsoft Display Adapter or a Cromecast? Any idea is this possible? I am planning to buy a projector and would like to hook ...
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2answers
59 views

Monitor UHD to laptop with FullHD

I have a laptop (MSI GE60) with FullHD screen and I want to connect this with an UHD monitor (2560x1440), but when I connect by HDMI I have FullHD as max possible resolution. I don't know how to set ...
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69 views

Are generic brand Thunderbolt to HDMI adapters reliable?

I am thinking of buying a thunderbolt to HDMI cable. I found this one: ...
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2answers
140 views

How much would it cost to replace HDMI port if it can be done separately [closed]

After the lightning struck my house, my PC doesn't recognize TV as a output, while TV recognizes HDMI input. Exhausting a lot of options here http://redd.it/2ribe7, I want to know would the whole ...
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0answers
86 views

Dual Monitors on VGA or HDMi

I have an INSPIRON 3847. It has VGA & HDMI outputs. I want to run 2 (or if possible 3) monitors. Had 2 monitors running with GX270 but had to buy new Video card & a splitter. Do i have to buy ...
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1answer
84 views

Extended desktop 'washes out' image on primary Monitor

BLUF: Primary monitor looks fine in cloned desktop mode with secondary monitor, washes out in extended desktop mode. Can washout be prevented? I have two monitors hooked up to my computer, a ...
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35 views

Windows 7 connected to LCD monitor (using HDMI cable) reports low virtual memory if left idle too long

My Windows 7 laptop that is connected to my LCD monitor using an HDMI cable often reports low virtual memory if left idle for more than an hour or so - if it is left in that state long enough, the ...
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1answer
17 views

Having trouble with my 3rd Display

Alright so I have 3 monitors. I just got a new monitor today and disconnected my old 3rd one since the newest one I got today is better. As I hook it up, it doesn't wanna pick up my PC. It goes ...
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1answer
68 views

Cheap solutions to share old laptop screen to Smart TV

Hi I have an old laptop that only provide a VGA output connector. I want to use my Samsung Smart TV as its screen so that I can put my laptop next to my TV and forget about opening its lid to look at ...
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51 views

Sound with HDMI and optical in the same time

I've got wierd problem. I've got i5 4690 processor and MSI Z97M-G43 motherboard. I'm using integrated GPU. Monitor is connected with DVI and with HDMI I've got tv connected. Problem is that screen ...
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73 views

Samsung SA350 does not display HDMI connection from other computers

I have a Radeon HD 6670 (desktop) that connects to the samsung monitor mentioned above, via DVI(desktop)-HDMI(monitor) cable. I've played around with the EDID of the monitor to force it to always stay ...
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1answer
74 views

How to disable HDMI port? (NVidia)

Can I disable the HDMI Port somewhere on my computer? Reason: I always have to crouch under my table and plug the HDMI cable from my TV in, to watch a movie. But if I let it plugged in, I lose ...