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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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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2answers
41 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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2answers
2k views

HDMI cable interference

I have been having an interference problem with a short (1.5m) run of HDMI cable between my laptop and screen for quite some time. My setup is as follows: I live in a university residence and my ...
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1answer
28 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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5k views

How do I set up a 4K TV via HDMI to my PC? (Getting mouse/video lag)

I recently purchased a Hisense HLUD58XT880 LCD TV (LCD flat-panel with 3840x2160 native resolution). I have plugged my PC into the HDMI (UHD) port on the TV. My PC is running Windows 8.1 with a ATI ...
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0answers
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Acer Aspire 7600U: How do you switch HDMI inputs?

My new Aspire 7600U does not allow me to switch between window 8.1 screen and the HDMI input from my cable box. How do I get windows 8.1 to detect the input from the HDMI port? So that I can see it ...
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0answers
8 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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19 views

Monitor resolution out of range [on hold]

I have a problem with my TV. The image resolution is supperior of the TV resolution itself. The problem comes from my TV but even if I change the format, the problem stays. Is it possible to add ...
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0answers
33 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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0answers
16 views

DisplayPort 1.2 DesyChain 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 desy-chain. I was wondering if i could create a chain as follows ...
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1answer
4k views

3 displays with AMD Radeon HD 6900 series; 2 DVI 1 HDMI

I have two monitors plugged into the two available DVI slots plus a 40' HDTV plugged into the one HDMI slot. However when I try to extend my desktop onto the TV it automatically disables my secondary ...
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2answers
4k views

Extending Dual Monitors with VGA and HDMI to Single link DVI

Here is my question. I have a workstation running windows 7 on a Dell Optiplex 390. He would like to use two extended monitors. The graphics card is an Intel Graphics HD 2000. It has a VGA out and ...
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0answers
27 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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2answers
3k views

HDMI, Thunderbolt ports not working in Boot Camp

I've installed Boot Camp on my MacBook Pro, but the HDMI and Thunderbolt ports still aren't working. When I connect an HDMI cable from my Mac to a monitor, the monitor says No HDMI Input. System: ...
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1answer
654 views

Why is my 3200x1800 laptop delivering a blurry image to my 1080p external monitor? (HDMI, Win 7)

I have a new Dell M3800 Laptop, screen resolution 3200x1800, and an external 1080p Samsung monitor. No matter what I do, the external monitor is slightly blurry. Laptop: Dell M3800 (the 3rd ...
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0answers
62 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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10answers
4k views

Is it possible to power on/off a monitor using the computer?

I was wondering if it was possible to power on/off a display using a computer connected via HDMI. Let me explain : I want my computer to power off my monitors (not standby mode) when I don't use it ...
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0answers
13 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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0answers
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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2answers
2k views

How can I regain the ability to output to an external monitor via HDMI on my Lenovo Yoga 2 Pro?

I've had a Yoga 2 Pro (running 64-bit Windows 8.1) for a few months. I usually have it hooked up to an external monitor via HDMI. I disconnect and reconnect it all the time. This machine has the ...
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33 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
50 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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0answers
76 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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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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1answer
147 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
27 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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2answers
33 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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29 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
48 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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2answers
3k views

LCD monitor flicker when connected to a laptop using VGA

I have a dual screen setup with two AOC e2450Sw monitors connected to a laptop. The laptop has one HDMI and one VGA output. When one of the monitors is connected using VGA, it flickers or displays ...
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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
15 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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6answers
20k views

Green flickering pixels that move with black images

Strange question... Occasionally, on my LCD screen, pixels that should be black flicker rapidly and constantly between black and green, about 4 flickers a second. The crazy part is, unlike dead/stuck ...
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1answer
40 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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1answer
3k views

Can a Mini DisplayPort to HDMI cable support resolutions above 1920x1200?

Is it theoretically possible for a cheapo Mini DisplayPort to HDMI cable or adapter to support resolutions above 1920 × 1200, e.g. 2560 × 1440 (QHD)? Or is it always ...
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0answers
37 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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0answers
33 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
40 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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1answer
2k views

Nvidia Ion HDMI output problems with Acer Revo

I bought an Acer Revo. First I connected it to my Sony TV via HDMI output. For a few days it worked very well. Then one day when switching on the computer, it boots and the TV screen turns black ...
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2answers
4k views

Extending laptop across 3 monitors

I currently have a Sager NP9150 gaming laptop. The machine comes with a DVI, HDMI, and display port. I currently have a Dell monitor and a TV connected - the monitor with a DVI and the TV with a vga ...
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2answers
3k views

HDMI connection to external display does not work (but VGA does)

I have a Sony Vaio VGN-2950 with a HDMI connection and an external monitor: a Samsung 24A350H with a HDMI input. If I connect the laptop to the Samsung via a VGA connection, it works fine. However, ...
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0answers
15 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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1answer
2k views

Intel HD4000 with 4k HDMI output on Linux

I wonder if I can output 4k resolution (3840 × 2160) @ 30Hz with a Intel HD4000 graphics using Linux and a single HDMI output. I have a Thinkpad Edge E330 with HDMI 1.4. The CPU is an i5-3210M. I ...
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2answers
3k views

AMD Radeon outputs only 1080i (1920x1080@30hz) on Full HD TV

Graphics Card: AMD Radeon r9 270x Screen : Samsung F5000 series 32 inch LED Full HDTV. Cable : HDMI cable connected to my graphics card's HDMI slot, and to my screen's HDMI slot. OS: Windows 8.1 ...
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2answers
96 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
36 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
35 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 ...
8
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1answer
11k views

What's the differnce between “Set as Default Device” and “Set as Default Communications Device” in the Sound configuration in Windows 7?

I noticed that there are two similar options in the "Sound" (Soundcard Configuration window->playback tab in the context menu) window in Windows 7. What is the difference between these two options? ...
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0answers
76 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
49 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 ...