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Questions tagged [hdmi]

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.

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. A variety of adapters and techniques exist for bridging other popular digital display standards (, for example) with HDMI sources or inputs.

Questions should be tagged if they involve a need to understand or troubleshoot connecting to / using a HDMI input, output, or adapter with any computer or related device.

2166 questions
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Does DisplayPort carry sound as HDMI does?

Does DisplayPort carry sound as HDMI does? Specifically, I am looking at Lenovo Laptops T410 or T510. I'm wondering if the specification permits for audio over DisplayPort, and if possible whether the Lenovo laptops I mentioned implement it.
Matt
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68
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20 answers

How to stop windows resizing when the monitor display channel is turned off / switched to different source

I have a new 6870 Amd Radeon adapter with its drivers set to 1080p 60Hz resolution hooked up to a 2008 47" high end Samsung HDMI based TV. However, when the tv is turned to a different HDMI input -(when I come back into windows) somehow Windows…
Heartspeace
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58
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8 answers

HDMI vs Component vs VGA vs DVI vs DisplayPort

What are the pros and cons of each of these different display adapters and cables? From what I can understand, HDMI offers the ability to send audio along the same cable as well as the ability to do progressive scan. I've Googled but I can't seem to…
Nazadus
  • 683
55
votes
7 answers

Does a HDMI-to-DVI (dual link) adapter exist? I don't care about the price

My monitor supports full-resolution display (2560x1440) only when connected to through either the DVI-D dual link port, or the DisplayPort. My laptop, though, has neither of these two kinds of output. Instead, all it's got is a HDMI port (which is…
alex k
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14 answers

HDMI with resolution 2560 x 1440 possible?

I have an Acer 1810T and am going to buy a Dell u2711 with a resolution of 2560 x 1440. Can I connect the panel over HDMI with the Acer and use the 2560 x 1440 res?
ben
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51
votes
3 answers

How can I switch an application to a different playback device on Windows 10

Googling for solutions to this problem seems to lead to third party solutions like this, sometimes with scripting like this. I'm no stranger to either, but It seems crazy to me that there isn't a better solution. I'm on Windows 10. I use HDMI…
kdbanman
  • 2,054
50
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4 answers

Maximum resolution through VGA/DVI/HDMI(/etc)?

I know the original VGA standard was meant to output 640x480 and that other standards over the original VGA connector are developed to output a higher resolution. (SVGA, XGA, etc.) But I was wondering if there's a specific limit to the resolution…
Pylsa
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42
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4 answers

how do I connect an Apple Thunderbolt display to a PC?

I have this Apple Thunderbolt display. it works fine with my Macbook Pro. I also want to connect it to my Windows laptop via HDMI. I bought this converter, which converts the HDMI signal to DisplayPort. Everything plugs in just fine, but the display…
wes
  • 531
40
votes
2 answers

Why is remote desktop very slow when host monitor is off unless HDMI cable is used?

Ever since upgrading to a new PC and Windows 10 a few years back, I've experienced terrible lag (it's totally unusable, feels like 5 FPS) while trying to remote into the aforementioned desktop while the monitor is off. This can be avoided if I use…
n_n
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36
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1 answer

What kind of cable looks like HDMI but has only one slanted edge?

What kind of cable/connector is this? It looks like an HDMI connector, with very similar pins, but it has a slanted edge on only one side and the other side is square.
Chris_45
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36
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1 answer

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? "Set as Default Communications Device" "Set as…
leeand00
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36
votes
2 answers

Can an HDMI cable carry a mouse or a keyboard signal?

I would like to plug a mouse and keyboard into a monitor and have the HDMI cable carry the signal back to the laptop along with the video. Do HDMI cables support this functionality? The laptop—an Acer Aspire V5-571P-6828 running Windows 10—has an…
SpeedyAkron
  • 585
35
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10 answers

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 (no keyboard/mouse input) for more than 15 minutes,…
3rgo
  • 515
34
votes
12 answers

Windows 10 v1803: How to change "Active signal resolution" to match "Desktop resolution"

So I have a laptop with Intel HD Graphics 530 (integrated graphics), and I ran into a problem I hadn't run into before and I think the culprit is that the laptop is sending w.e. resolution my laptop thinks is the "best" and just scaling it to match…
Esteban
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5 answers

Can't convert HDMI to DisplayPort - root cause?

I have a DisplayPort based monitor, and a laptop with a DP out. I recently got a second laptop with HDMI out, and went looking for a HDMI -> DP converter. I was very surprised to find that such a thing effectively doesn't seem to exist. This…
Bobson
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