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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15 views

Does HDMI over Ethernet imply CEC Pass-Through

While building home network I came across a problem: On one side, striving to condense as much electronics as possible at one place, e.g. in a basement (back-end stuff like HTPCes, NASes, UPSes, ...
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1answer
13 views

Weird GPU issue with DVI to HMDI

I've had my GTX 550ti for around 3 years and never have I experienced the problem. My computer is fine when I only have my second display in, which is a DVI display. But when I plugin my main monitor ...
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7 views

Not getting 5.1 sound from computer

I have a dedicated Windows 7 64 bit computer connected to my LG plasma TV with an HDMI cable. The computer also feeds my AV receiver with a digital audio cable. I can never get 5.1 to the receiver ...
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0answers
14 views

Monitor goes to sleep over vga but not over hdmi. Over HDMI, it turns off completely under Windows 7

I have a dual monitor setup and just got a new graphics card. My old one was a Gtx 570 and it had two DVI-I ports. I connected both my monitors using an adapter to convert DVI-I to VGA (one of my ...
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4answers
31 views

Play media from a computer to a TV wirelessly?

I want the same functionality one gets when connecting a TV and a laptop using a HDMI cable, but wirelessly. I have a Samsung Series 6, Smart TV and want to mirror my Windows 7 PC's video and audio ...
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11 views

Troubles with connected second monitor to Nvidia FX 580

I'm running Win7 Pro, 1st monitor connected via HDMI is a Samsung S24D300 (main monitor) no problems. 2nd monitor is an LG W2261VP connected to one of the DisplayPort with a DisplayPort to DVI cable. ...
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16 views

How do I route audio to my HDMI port instead of the display port

My Dell Studio 1747 notebook has an ATI radeon HD 4650 graphic card. The card has both HDMI as well as Display port output. However, the audio routes to the Display port instead of the HDMI. Since ...
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54 views

Graphics card VGA dead HDMI can't see bios or windows

Few days ago I had a problem where my screen went black, I restarted my computer I couldnt see the BIOS, Startup Screen or windows loading screen or anything at all just a black screen I could still ...
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26 views

After Nvidia update my GTX760 hdmi port stopped working

After an Nvidia Update my hdmi stopped sending signal AFTER the windows logo. During the boot it's fine, using other OS (Linux, Mac os X) no problems at all: just windows stops working. If I use the ...
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16 views

Force Refresh Rate in Linux

I'm using a Lenovo X230 laptop with an external LG-34UC97-S monitor. I've turn off the internal monitor and hooked up the external via HDMI. Looking at the user manual, native resolution and refresh ...
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1answer
28 views

USB to HDMI converter [on hold]

I am in need of an USB to HDMI converter. My pc does not have a HDMI socket and I still want to connect it to my smartTV to copy my desktop on the TV. I kept searching for these kind of devices but ...
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1answer
36 views

How to connect a MacBook to two external monitors

I'm trying to connect my two monitors to my old Macbook (2008) with one Mini DisplayPort connection, but I only get my two monitors showing up the same thing on the screen with a splitter. I want to ...
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0answers
22 views

How do I make both dvi ports to work to support two monitors?

I need to use two monitors on my Dell desktop computer with Windows 7. But I have difficulty to plug one of the monitors to the correct video port! I have a VGA port on one board which I can connect ...
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0answers
30 views

How can I analyze a video streaming over HDMI? [closed]

I want to detect a marker in a video which is streaming over HDMI. A marker is just a combination of 3 characters like "abc" through which I want to decide whether to stream the video or not. I have ...
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1answer
27 views

TV connected via HDMI for audio only?

Samsung TV has better speakers than my laptop. I want to have audio going through the TV without extra load on my video card. Is such a thing possible?
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0answers
24 views

HDMI x2 splitter Thinkpad T530 5400M

I am looking to get a mini display port to HDMI x2 splitter for my Lenovo Thinkpad T530 ([2429-6hg]) The spec sheet for my laptop says it has a nVidia NVS 5400M graphics card that has support for "Up ...
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1answer
40 views

Can I make a 4x1080p to 4K adapter?

I want to make an adapter that will take 4 1080p HDMI inputs and output 1 4K HDMI outputs to a 4K TV. Is this possible to do by just rearranging wires, or will i need to add in a Raspberry Pi or ...
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25 views

Xubuntu themes look ugly after hdmi cable is unplugged

I sometimes connect my laptop to an external monitor with an hdmi cable, and when I later unplug the cable, it causes a problem with the graphical theme in xubuntu (14.04). The window panes, panel, ...
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21 views

Projector 1080p image is a different size depending on the source

I have a Benq W1070 projector. I was using it with my Ubuntu PC, and now I'm using it with my Windows PC, connected via an HDMI cable. Ubuntu 14.04 64-bit has a Gigabyte ATI HD4850 graphics card and ...
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0answers
22 views

HDMI to DVI (and viceversa)

Does the conversion between those ports imply some data loss? If so, can you quantify it? E.g. connecting a Blu-ray reader to your PC monitor or your PC to your HD TV
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1answer
211 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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1answer
58 views

Connecting 2 monitors to laptop

I have Lenovo thinkpad E530, with: Intel HD Graphics 4000 (Driver 8.15.10.2639) Windows 7 (64 bit) Intel64 Family 6 2095 MHz Processor (Intel Core i7) Built in display connector type LVDS I have ...
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1answer
253 views

Can my laptops Intel HD 4400 display UHD on an external monitor?

I am the owner of a Samsung ATIV Book 9 2014 Edition (15.6” Full HD Touch / Core™ i7) (http://www.samsung.com/us/computer/pcs/NP940X5J-K02US) It has a HDMI input and a Intel HD 4400 Graphics running ...
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0answers
23 views

Text looks terrible on second display

I'm running Windows 8.1 and have two HDMI TVs hooked up to my PC, one I use regularly and one I've just hooked up as an extended display. Problem is, text looks terrible on my second display! I've ...
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38 views

How to tell if my laptop will support a second monitor

I have a Toshiba Satellite P775(given by employer) and google isn't really giving me an answer about multiple monitors. Is there a way to tell if my laptop will support a second external monitor(3 ...
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1answer
108 views

Connect PC with 4K TV

First I hope I've chosen the right site since I just signed up. So I wanted to ask what do I have to do to connect my PC with the GTX 680 inside to my Samsung UHD HU6950 TV. I heard that HDMI 1.4 ...
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0answers
43 views

Setting up Screen mirroring on non smart TV

I have a non smart TV with no inbuilt screen mirroring capability , just a simple HDMI port and two android devices HTC one mini and HTC desire 816 both of which do not support MHL. What would be the ...
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71 views

Laptop doesn't recognize Second monitor

I have a problem with my XPS17. It doesn't recognize monitors when connected, but does recognize TVs. I tried plugging monitors to either the HDMI port or the Mini-DVI port, using an adapter. The ...
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1answer
74 views

Dual/Extended monitors with VGA + HDMI to DVI

I want to buy two monitors for using with my laptop (without using the laptop's screen) My laptop has VGA and HDMI outputs. 1st scenario: VGA output of laptop -> VGA input of monitor + HDMI output ...
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1answer
57 views

Philips 47PFS7109/12 HDMI blinking

I have a Philips 47PFS7109/12 TV and want to connect it to PC. My PC has NVIDIA Geforce GTX 560 graphics card with HDMI slot. When I connect HDMI cable to TV (tried HDMI 1-4) I can see my desktop on ...
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64 views

Second monitor goes black after machine reboot

We have some 4th generation Intel NUC machines that we've placed an SSD inside of and attached two of these planar TVs. Each machine is running Windows 8.1. The problem we're running into is that ...
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25 views

Get Boot screen on HDMI rather than DVI

I have a dual monitor setup with a GeForce 750Ti. One monitor uses the DVI port and other uses the HDMI port. I have noticed that while booting, the boot screen is visible on DVI connected monitor. ...
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22 views

Watching BlueRay with Laptop/hdmi and hd tv poor experience

I try to watch an BlueRay on my Sony HD TV which is delivered by my Dell Latitude e6430 with icore 7 and Nividia NV 5200 connected via hdmi, but the experience is very poor :-( The movie plays some ...
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11 views

Issuing On/Off command to Monitor

I am using Windows 7 with a AMD R7 Serise graphics card. I was wondering if/how i could issue a on/off command via the HDMI port when my computer shuts off/goes to sleep mode. I know that this card ...
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1answer
47 views

VGA (D-Sub) for 1920x1200 Monitor

I have 2 1920x1200 monitors of a single model that has DVI, DP and VGA ports. The Graphics card has a DVI, an HDMI and a VGA port. The specs of the card say: Maximum Digital Resolution:2560x1600 ...
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1answer
147 views

Windows 7 sound output through HDMI and Speaker at the same time

I would like to output the audio of a game through HDMI and through speakers at the same time. I can only setup one default device. A solution I often find on the internet is using Wave Stereo Mix or ...
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2answers
35 views

Windows 7 - How to restore a window that was on the second desktop (hdmi)

I had to move a window to the right in order to display it on another monitor (smart tv), but once that i switch off the tv, i can't get that window anymore to drag it back to the main monitor. All I ...
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0answers
31 views

Screen scraping via display port / splitter / monitor hardware

Problem Background I have a screen scraping program that identifies images on my screen and reports useful information back to me. I want to be extremely cautious around the application that I am ...
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0answers
20 views

Digital output disappeared in sound settings

I dont get it what the heck happened. I opened sound settings, then wanted to switch sound output to hdmi from my monitor (all this worked normally), then there were two options - digital output and ...
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1answer
48 views

3 Monitor display on a AMD A8-6600k

I have an AMD A8-6600k. I can extend my display using VGA and HDMI. Vga to my widescreen lcd, and HDMI to my TV. I am a programmer and I needed to test resolutions from the TV, and monitor. One of my ...
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0answers
26 views

Send only audio output with HDMI

I have my laptop connected to TV using HDMI cable. But I only want to transmit audio, because I want to use my TV as speakers, nothing else. So the video is useless. Is this possible? I've only ...
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0answers
23 views

In Windows 8, how do I get an application to connect audio to newly attached audio output device?

At work I am using Windows8.1 on a lap top. I have firefox running and select a video on the web to watch, so far it is working good. Now I plug in the HDMI to TV, and tell the computer to mirror the ...
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1answer
55 views

Why is my display text blurry

I bought a new computer recently and when I connect it into my older Samsung display with a HDMI cable the text seems to be blurry. However if I connect my older laptop computer into this same Samsung ...
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0answers
17 views

monitor black out with lower resolution and unable to fix

i have a acer 1366x768 monitor and i use a hdmi converter to connect it to the cpu. so suddenly all the time it blacks out and goes to lower resolution and when i change back to 1366 it show input not ...
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1answer
80 views

Connecting Thunderbolt Display to Non-Thunderbolt MacBook (mid 2010)

I have an old MacBook Pro (Mid 2010 / Pre Thunderbolt) and an extra ThunderBolt 27" which I wanted to connect to the laptop. According to Apple and a ton of posts online (dated around 2011) this is ...
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0answers
27 views

How to run a command when display is turned off/on in windows 7

I use a TV connected via HDMI to a windows box. I want that when the box is idle, the TV to be put into standby, but the computer should run. For this I have a pulse-cec-usb adapter, and I can use ...
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1answer
86 views

HDMI/DVI/DisplayPort cables and image quality (color, sharpness)

I am planning on running some very long digital cables (HDMI, DVI, DisplayPort). I want to make absolutely sure that as long as the cable works with my desired settings (resolution and hz), there's ...
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0answers
21 views

What is the technical name for the [cable] in a laptop that connects to the [LCD] [duplicate]

I wanted to google it and learn about the connector; with the ultimate goal of learning how to turn it into a DVI, VGA or HDMI (To turn a naked laptop LCD into an ad hoc monitor) But when I started, ...
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0answers
96 views

Ubuntu not setting display resolution correctly

So, I'm using Ubuntu 14.04 on an older Mac (like 2010), and trying to connect to a TV using a mini display port to HDMI adapter. The adapter does work on a different Mac (and newer) thats running ...
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83 views

“No signal” on 4K monitor after login, reconnect hdmi cable get back the signal (Windows 7)

Setup: Windows 7 pro. Single 4K monitor connected to PC via HDMI cable. Running 4K resolution. Issue: Once logined remotely, you are greeted with a login screen. Login locally, "No signal" on 4K ...