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Questions tagged [hdmi]

HDMI stands for High Definition Multimedia Interface. Along with the Composite RCA, HDMI is one of the devices' two video outputs. It provides high quality digital video.

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94
votes
2answers
192k views

How do I force the Raspberry Pi to turn on HDMI?

I have a Raspberry Pi running Raspbmc connected through HDMI to a dumb HDTV. (Does not support HDMI-CEC). If I power on both the TV (both at source and display through remote) and Raspbmc at the same ...
57
votes
7answers
238k views

Can a simple cable convert HDMI output to VGA?

One may buy a simple HDMI-to-VGA cable, or an HDMI-to-DVI cable. Example: on Amazon. However, my vague knowledge is that these cables only work for video cards that have special support for this ...
26
votes
4answers
11k views

What qualities should I look for in a small, 7“ or 10” monitor?

Hi, which small small and portable monitors would you suggest to combine with Raspberry Pi. As Raspberry Pi is part of huge range of different project please suggest which would be best in each of ...
26
votes
1answer
6k views

Raspberry Pi Zero with Ethernet Over HDMI

The new Raspberry Pi Zero doesn't have any kind of wired Ethernet connection. Has anyone have tested if Ethernet over HDMI works? I did not find any info in the web or even what version of HDMI the ...
24
votes
2answers
120k views

Can Raspberry Pi 3 do 4K Video?

It looks like the Raspberry Pi 3 may be powerful enough to output 4K video, but I haven't seen anything about it anywhere. Does anyone know if the Raspberry Pi 3 can output video over HDMI at 4K ...
22
votes
5answers
2k views

What type of television or monitor can I connect to?

What sort of input socket does my television or computer monitor need to have to be able to use it as a screen for my RP? Will old televisions work with some sort of converter?
22
votes
2answers
16k views

How can my Raspberry PI start my TV?

My Raspberry Pi is running RaspBMC and is hooked up to my TV via a HDMI cable. I never turn off the Pi itself, but I tend to turn the TV off when I'm not using it. However, once the Pi senses any ...
22
votes
3answers
30k views

What kind of HDMI cable do I need?

What kind of HDMI cable do I need if I want to connect my Raspberry PI to a full HD ( 1920 x 1080 ) TV (which has HDMI input)? According to the Wikipedia, there are 5 types of HDMI connectors: A, B, ...
22
votes
3answers
14k views

Which small displays have been confirmed to work?

Which small (7-10") displays have been confirmed to work with the Raspberry Pi? Also, what should I consider when looking to buy one of these displays or trying to integrate one with my Raspberry Pi?
20
votes
2answers
17k views

No HDMI output when HDMI cable is connected after power supply

I've noticed that I don't get any HDMI output to a monitor if I connect the HDMI cable to the Pi after I plug in the power supply, because I have two RPis for one monitor -- one running Raspbmc, the ...
19
votes
3answers
75k views

What is the difference between CEA and DMT?

I have connected my RPi to a television using a HDMI to DVI cable, but the resolution is awful. The font is not sharp, so I need to use a lower resolution. For that, I can run a command like tvservice ...
18
votes
5answers
73k views

Larger Touch Screen Displays

I was hoping to find a larger touchscreen display that will work with my Raspberry Pi. I wanted to make a "kitchen use" kiosk for looking up recipes, watching cooking shows etc. I was hoping to find a ...
16
votes
3answers
8k views

If connected over HDMI will the 3.5mm audio jack socket work?

As far as I know only one video output, either the HDMI or RCA video socket, will work at a time. Now I want to know if this also applies to the audio output. Will it be transmitted over both sockets,...
16
votes
4answers
58k views

Stream videos wirelessly from PC to Pi to TV?

I have a collection of movies (Please note: Mostly 1080p) on my external hard disk drive. This drive is attached to my PC (Mac). The external hard disk also contains some important work files, hence I ...
16
votes
2answers
22k views

Stopping Raspberry Pi display sleep

I'm using my raspberry pi displayed on a tv through HDMI. It boots up into the terminal and is fine, however, when I leave it for a few minutes, the display goes to sleep. I'm using an application ...
16
votes
5answers
46k views

Multiple Display Screens

I want to build a mini multimedia system based on the raspberry pi B+, which has 2 display screens: The main screen (like a 42" LED TV), which plays the main video in Full HD. HDMI RCA/AV/Composite ...
15
votes
6answers
27k views

How to disable local terminal showing through when playing video

Any local terminal text (login prompt, etc) is showing through areas of the screen that are not covered by video (i.e. the black bars on the top and bottom) when I use a remote terminal to play video ...
15
votes
3answers
19k views

CEC wake up command

When I boot my Raspberry my TV gets woken up over CEC. Is there a way to send the wake up signal using shell so I could use cronjob to start my TV every morning at 7, for example?
15
votes
4answers
17k views

Controlling the HDMI output via SSH

I am yet to receive my Pi, however I've been looking into what I would like it to do. One of the features I am looking forward to is using it when it is plugged into my TV (via HDMI) to access the ...
14
votes
3answers
7k views

HDMI works in safe mode, but not much else

I have my board plugged into my monitor as an HDMI input. I can get to the Raspbian desktop by uncommenting the "hdmi_safe=1" in config.txt. However, I'd like to work in a resolution that doesn't make ...
13
votes
2answers
9k views

Is the Raspberry Pi compatible with HDMI 1.4 specification with Ethernet?

Wikipedia says the Raspberry Pi supports "HDMI (rev 1.3 & 1.4)" and the HDMI 1.4 specification has Ethernet. Could you have a HDMI 1.4 to Ethernet adapter? and would the transfer rate be faster ...
13
votes
3answers
10k views

How to reinitialize HDMI without rebooting the RPi

I've found that my Raspberry Pi2's HDMI port only works if there's something attached to it when the RPi initially boots. If it boots with nothing attached, and I later attach a monitor, nothing shows ...
13
votes
1answer
59k views

Calibrate overscan settings

There are options to adjust the the overscan settings in /boot/config.txt. # uncomment this if your display has a black border of unused pixels visible # and your display can output without overscan ...
12
votes
2answers
14k views

prevent pi from turning tv on

I have a Pi (with Raspbmc installed on it) connected to an LG TV. I disabled the CEC options in XBMC related to turning the TV on/off. However, the Pi keeps turning the TV on when rebooting. I can ...
12
votes
1answer
44k views

Commands for using cec-client

I have the cec-client and libcec working on my Raspberry Pi. I would like to use it for more than just turning on and off the television, I would like to be able to query the other devices for their ...
11
votes
1answer
1k views

HDMI output display shows zits/interference

I received my Raspberry Pi today and tried the vanilla Debian squeeze distro and the OpenElec XBMC distro. What I noticed is the display was showing interference/zits similar to this: I checked my ...
10
votes
2answers
5k views

Audio over HDMI - hello_audio.bin works but not aplay

I'm having problems getting audio over HDMI working correctly (running ArchARM). I have in my /boot/config.txt: hdmi_drive=2 I compiled hello_audio.bin and ran it with 0 and 1 as args, both work (...
8
votes
1answer
8k views

Keep HDMI off on boot

I have a battery-powered RPi Zero W that is going to be hooked into a mobile laser projector. This is an experiential setup, so I need to be able to turn it off and on between uses. My goal here is ...
8
votes
10answers
41k views

No video on HDMI?

I just got my Raspberry Pi in the mail, and went to hook it up to my TV with an HDMI cable. I plugged in the cable (known to work with my cable box), a keyboard, and then power. A light comes on the ...
8
votes
1answer
2k views

Can't get Pi to work with a Sony SDM-S74 DVI-D monitor

I have just bought a new RaspberryPi that I'm trying to get working with a Sony DVI monitor. I'm hoping someone can help me. I installed Raspbian on a 8GB card, connected the Pi to a Sony SDM-S74 ...
8
votes
1answer
1k views

Windows 10 Iot HDMI CEC

Has anyone figured out how to either compile libcec for windows on an ARM device, or found another solution to enable HDMI-CEC commands to be used with Windows 10 IoT?
8
votes
2answers
242 views

Problem when plugging an HDMI extractor to the Pi

I use my Raspberry Pi with Kodi on it (probably one of the last version with both a Pi 2 and 3). A few months ago, I bought and HDMI extractor so that I could use my Home Cinema using the Passthrough ...
7
votes
2answers
1k views

The purpose of the orange tape on the HDMI connector

On my Pi B+, and B model 2 there is a piece of orange see-through tape stuck across the top of the HDMI connector. What is the purpose of this piece of tape? And are there any damaging effects if I ...
7
votes
3answers
3k views

Raspbian Put monitor to sleep at night and wake in morning

I have my Raspbian running Chromium in kiosk mode and works nicely. However, I would like it to turn the HDMI display off at 10pm and wake it up at 7am. I could not find such a setting in Raspbian.
7
votes
2answers
3k views

Detect HDMI and Start GUI

We build an applications that supports a server mode and a GUI mode. Now the XServer and the application should start, if a HDMI Cable is connected otherwise it should only run the server. So whats ...
7
votes
4answers
20k views

Creating an HDMI Pass-Through Connection

I would be very interested to know if anyone on here might be able to provide some insights into the feasibility and/or proper approach to add a HDMI input to the Raspberry Pi in an effort to allow ...
7
votes
2answers
8k views

Touchscreen w/ HDMI output only when a display is attached?

Probably a very simple question, but I haven't had much luck finding a answer on my own. I have a Tontec 3.5" touchscreen plugged into my RPi2. Is there any way that I can use the touchscreen when ...
7
votes
1answer
1k views

How to turn Raspberry Pi off when HDMI is disconnected?

How can I programmatically detect if the Raspberry Pi's HDMI cable is removed? I've tried tools like xrandr, but they give the same output regardless of whether the HDMI cable is plugged in or not.
7
votes
1answer
19k views

How to make Raspberry use HDMI audio as default system output?

I've just installed Raspberry Pi and everything works great, except I can't get the default system sound to use HDMI. If I run something like omxplayer -o hdmi <filename> then the sound works, ...
7
votes
2answers
7k views

Audio goes in and out on Retropie

So as my title suggests I am having an issue with my Retropie installation. I am currently using latest greatest BerryBoot, OpenElec, and Retropie on my Rasp Pi 2 updated as of yesterday evening. The ...
7
votes
2answers
17k views

Get High Quality Audio from HDMI

I'm using the RPi as an audio streamer. However the audio from the 3.5mm jack isn't great. Is there a way I can use the HDMI socket to output audio to my stereo? My stereo has RCA audio input (...
7
votes
1answer
2k views

Change output to HDMI after tv has turned off [duplicate]

Possible Duplicate: How do I force the Raspberry Pi to turn on HDMI? I have a Pi that is connected to my TV via hdmi. My pi acts primarily as a server, and its turned on all the time for this ...
6
votes
4answers
3k views

RPI3B+: What are the four components below the HDMI connector called?

I am trying to get the following RPI3B+ to work. Apparently the machine is booting ok, since I can see it using nmap on my local network: # nmap 192.168.0.23 Starting Nmap 7.70 ( https://nmap.org ) ...
6
votes
2answers
20k views

stopping RaspPi / raspbmc from auto changing source on tv [duplicate]

My Pi is connected to my TVs usb port which works great and I use the TV remote to control it - which I also enjoy. The problem is whenever I turn on my TV, the pi changes the TV input source even ...
6
votes
1answer
1k views

RPi zero ethernet connection via HDMI port using a HDMI to RJ45 adaptor

I would like to connect the Raspberry Pi Zero to my laptop using an ethernet cable without using the micro-USB port. Currently I can connect using ethernet cable through a micro-USB to RJ45 converter. ...
6
votes
4answers
2k views

Screen doesn't turn off

Is there a way for the hdmi output to completely turn off. When I leave my pi idle the screen turns black but the screen stays on and never turns off. The monitor turns to off/idle with other ...
6
votes
3answers
6k views

How much current can I draw from each model's HDMI socket?

I've seen a few questions that speculate as to how much current is available from the HDMI socket but I can't find any concrete values. I've gotten away with using a couple of different HDMI to VGA/3....
6
votes
1answer
6k views

Disable HDMI Interface to achieve a lower power footprint

Is it possible, to turn off the HDMI video component? My Pi operates headless so there ist no need for me to have a video out component. If yes, how much power will be saved?
6
votes
2answers
11k views

Play video from ssh to TV

I'm trying to only use my ssh console from android to remote control the pi, and I'd love to be able to play a video on my TV. My pi is HDMI conntected to TV always prompting for username. I'd like ...
6
votes
1answer
635 views

HDMI hisses when turned on before TV

If I turn my Pi on before the TV then I get a hissing/static noise until I yank the HDMI cable and plug it in again. If I turn my TV on during boot it will hiss, but seems to come right once XBMC ...