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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67 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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173 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
57 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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111 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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626 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
315 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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78 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
116 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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67 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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19 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
60 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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76 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
26 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
69 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
1k 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
88 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
269 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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39 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
323 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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0answers
139 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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0answers
494 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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61 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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85 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
1k 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
280 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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104 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
106 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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90 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
351 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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213 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
200 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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48 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
22 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
84 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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0answers
69 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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109 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
155 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 ...
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0answers
18 views

Black boarder underscan without HDMI in the screen

Recently, I bought an HP Pavillion Touchsmart 14 which was in a different language. I formatted it and made a clean install of Windows 8. But even while installing the Windows OS, and after it was ...
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2answers
1k views

How to use two monitors: one from video card one from motherboard

I'm trying to get two monitors set up. One is plugged into my graphics card using an hdmi cord, the other is plugged into my motherboard using another hdmi cord. Graphics card: NVIDIA GeForce GTX ...
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1answer
139 views

HDMI cable does not fit into GTX 680

I'm trying to plug a 2nd monitor into my GTX 680's HDMI port and the cable just does not fit. There seem to be 2 metal tabs and the top of the inside of the port that restrict the cable from entering ...
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1answer
42 views

How to use two computers with two monitors each as a single computer [closed]

I have a Windows 7 laptop with a second monitor connected via VGA, and a Windows 8 tablet with another monitor connected via HDMI. In total, there are 4 monitors. Two on my Windows 7 Laptop, the other ...
2
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0answers
656 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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1answer
160 views

DVI-HDMI cable increases temperature after plug in video card with 7 degrees celsius

I have bought a DVI-HDMI cable (Video cart - Monitor) for my monitor, that was using a VGA cable. My config is dual monitor: Samsung S22C00 + Samsung Syncmaster 225 BW (configure to run on same ...
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1answer
1k views

Multiple Monitors, only one hdmi port (laptop)

I just bought a new laptop (lenovo Y50 to be exact) and with my old laptop I had two additional screens hooked up to it but with this new laptop, it only has one hdmi output cable but it has a NVIDIA ...
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1answer
322 views

HDMI dissapeared from xrandr

I worked with my notebook which was connected with a monitor through HDMI, and restarted it then. Now xrandr is not seeing HDMI port now, of course monitor says "No signal". Don't know why this ...
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1answer
81 views

Laptop only detects TV via HDMI when the TV is off

I have an Acer Aspire 5951G laptop with an NVIDIA GeForce GT 555M graphics card and 64-bit Windows 7. I am pretty sure that none of the components (HDMI-cable, graphics card, TV) are malfunctioning. ...
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0answers
89 views

Sound starts crackle through hdmi when cpu usage goes high

I built new HTPC with Athlon 5150 (AM1 platform) + Asrock AM1H-ITX. I have installed Linux Mint 17 + XBMC. This machine is connected to tv throught HDMI. It works like a charm except one: during ...
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0answers
47 views

How is an HDMI signal converted into video and audio?

How does a display interpret HDMI signals and update its pixels to the right configuration? I would like to write a native C program to perform this task. I am trying to build a video streaming device ...
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59 views

Connecting two computers together so that one can use the screen of another

So here's the situation. My mother has an old touch-screen desktop computer (without a separate "tower", ie all the internals are in the screen) which is 4 years old and has just about no processing ...