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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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 ...
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1k 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
267 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
3k 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
742 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
150 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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64 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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79 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 ...
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611 views

NVIDIA GeForce GT 610 in 2560x1600 resolution

I am trying to connect HP LP3065 30" monitor to NVIDIA GeForce GT 610 card. This graphics card has HDMI and DVI outputs. When I connect this monitor to HDMI, it works fine but the resolution is ...
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1answer
56 views

two monitors one smartTV setup

I have a desktop with an intel HD 4600 graphics card and my setup looks as follows: two monitors (one VGA and one DVI) and a smartTV with HDMI. I want to do the following: duplicate my main screen ...
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0answers
321 views

displayport + 3.5mm audio to HDMI?

I have a Lenovo W500 and apparently, the graphics card (ati radeon) doesn't support audio output through the display port. But, connecting separately from the headphones to the RCA inputs in the TV ...
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2answers
912 views

Use external DVD player with computer to play movies

I have a Sony BDP-S5200 Blu Ray player. It works fine with TVs, but I would like to connect it to my computer and watch movies using my computer monitor and speakers. Is that possible? The player has ...
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131 views

Laptop HDMI port not working

I have Sony VAIO laptop with additional monitor connected with HDMI -> DVI cable. Everything seemed to work perfectly fine until today morning. I had computer with own display and second monitor ...
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0answers
403 views

Resolution Error: If your resolution is below 1024 x 768…

Rebooted my PC today and when it restarted, one of my screens is stuck in 640 x 480 resolution. As far as I know, nothing updated. The "monitor" I am referring to is a 40" Vizio TV Model number ...
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1answer
5k views

PC to TV using HDMI conection text too small

I have a Samsung 40 inch TV. I've been using it in native resolution 1920 x 1080 connected to my GeForce 210 connected with an HDMI cable. The brightness and clearness of image has been perfect since ...
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1answer
2k views

Finding out what resolutions my laptop's display ports support

I have a Dell XPS 15, late 2013 and it has a Mini DisplayPort and an HDMI slot. I am aware that different versions of HDMI support different resolutions and even different drivers affect things, too. ...
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1answer
27 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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4answers
85k 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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0answers
417 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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246 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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478 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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1answer
122 views

USB to HDMI converter [closed]

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
952 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
49 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
62 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
90 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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1answer
146 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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1answer
108 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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1answer
98 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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1answer
3k 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
340 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
5k 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
61 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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136 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
2k 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
416 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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0answers
222 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
372 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
189 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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0answers
410 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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18 views

Issuing On/Off command to monitor

I am using Windows 7 with a AMD R7 Serie 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
181 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
693 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
42 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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198 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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1answer
397 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
85 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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1answer
248 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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1answer
1k 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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1answer
415 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 ...