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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224 views

Simple project but where do I start?

I want to make a simple project to use a Pi as a countdown timer for when people are presenting on stage. My idea is that you will be able to use a web interface on the Pi to log in and set the ...
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1answer
1k views

How to reduce the refresh rate of the Raspberry Pi HDMI port

I have an older TV, and it turns on and off after a few minutes of use with my Raspberry Pi. As I suspect this is because the TV is either no longer capable of, or was never capable of the refresh ...
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124 views

R.Pi gratuitous & frequent screen blank - hardware problem?

Have been using my Pi for 2 weeks, but recently discovered the monitor displaying "No Signal", and the screen went blank for a few sec before returning to normal display. I don't believe this is the ...
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58 views

Pi 3 Model B doesn't display anything

After setting up Jesse 09/23/16 on 8GB SD Card, the Pi booted fine and I played around with the X-Windows environment. Upon "Shutdown", and power recycle, there is no HDMI display. I do get the ...
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504 views

Can't play video through HDMI output

I'm having a problem with my Raspberry Pi 2. I'm trying to run a video in command-line(ssh) vlc -f --play-and-exit /path/video.avi But It only displays in my command-line and not on the HDMI port. ...
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931 views

Python controlling OMXPlayer, DVI and HDMI causes issues in sub process

I hope anyone can help. I have built a Python script that uses a triggering action to start playing a video of a door opening. When triggered, it should start playing the video of a door opening, and ...
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3answers
170 views

How can I ouput my rdp session to the local monitor?

I have a PI that has no keyboard/mouse connected to it. I am controlling it through xrdp. Sometimes I need to output what I see on my remote session screen to the TV that I have connected to the PIs ...
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2answers
198 views

How to debug video via ssh

I have a Pi 2 model B and only access to an HDMI display, however I have not gotten any video output despite: Having successfully booted RetroPie, pidora, NOOBS, and raspbian Having tried every ...
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848 views

RPi Zero vga display problem

RPi not showing up display when connected to mini hdmi to hdmi converted and then to hdmi to vga converter. both the converters are tested, working... if its not possible then how to access rpi zero ...
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80 views

Assign HDMI outputs of a stacked Raspberry Pi to seperate outputs

If you stacked 4 Raspberry Pi's, as you would a regular cluster computer, can the HDMI's of each Raspberry Pi be assigned to seperate AV outputs or are there any programs, that do this for you. For ...
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Monitor doesn't detect my Raspberry pi 3

I tried to install Kali on my Rpi. So, I downloaded the adapted build on offensive security (kali 2.1.2). The rpi boot without issues, i can access to it via ssh. However, my monitor doesn't ...
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1answer
95 views

Start-up program stops working when not plugged into HDMI Rpi3

I have a raspberry pi 3 running an LED program on startup, so that when I plug it in, it can run my light program right away, without any input from a keyboard/mouse. Everything works as designed ...
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376 views

*THE* weirdest display issues

I am having (very VERY) strange display issues on my Pi 3... I am using an HDMI-VGA Adapter ( https://www.adafruit.com/product/1151 ) which works perfectly fine (it works with many different devices ...
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1answer
2k views

Output sound through HDMI and USB sound card

I have a Raspberry Pi 3, with OSMC installed as its OS. I used to have audio through HDMI and the 3.5mm jack at the same time, allowing me to either listen through the speakers of a TV, or through ...
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2answers
2k views

How to detect if display is turned on?

I am trying to detect the display power status of a HDMI connected display with a Raspberry Pi 3. Running tvservice -s gives the same state 0x12000a for a powered-on and powered-off display. Are ...
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2answers
6k views

Mirror display on a TV via wireless HDMI

I was wondering if anyone knew of a way to mirror my raspberry display to a TV using wireless HDMI. I searched and searched and I've found multitudes of blogs and questions about mirroring a phone ...
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747 views

Why would my Raspberry Pi only display a blinking “_” after bootup

I've attached a HDMI monitor to my Pi running Raspbian. In the past external displays have worked fine. Recently, when I connect my Pi to a HDMI monitor I get the usual bootup screens and the bootup ...
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7k views

LCD USB Touchscreen calibration eGalax

Ok, I got a Chinese 17" LCD monitor with USB touchcreen. Max resolution is 1280x1024.I use Raspberry 3 Model B with Raspbian OS. Below are the result from lsusb Bus 001 Device 005: ID 0930:6544 ...
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1answer
415 views

My Display Won't Work

I have a 5" Touchscreen display from SainSmart, and I can't use the full screen, or even the touch screen. I have done everything that I could find to fix it. I have adjusted the overscan settings, ...
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628 views

What happens when I have the official 7" display and connect a monitor via HDMI?

I own the official 7" touch display for the Raspberry Pi. I also own a HDMI monitor and I wonder what happens when both are connected to the Pi. I am using Raspbian Jessie and the Pi 2B, if that ...
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0answers
5k views

Can the official 7" touch display be used at the same time as an hdmi monitor?

I am making a project where I want a monitor to host a webpage and the touchscreen will control an app I made that dynamically changes things on the webpage. Is the pi (pi3, mod. b) capable of ...
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1answer
1k views

How would one turn on his raspberry over HDMI

I've currently been experimenting a little with the embedded linux OS openelec (kodi). I tried to turn it into a full fledged media center which includes emulators and streaming etc. As you all know ...
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46 views

How much force can the ports/ board handle?

I just got my RPi3MB and dont use a case yet and feel like every time i plug/un-plug e.g HDMI/power cable that its pulling too hard. Am I just being paranoid that the input ports will loosen up and ...
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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. ...
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1answer
152 views

New Raspberry pi video output to laptop not working

I got this new raspberry pi 3 B with an 8GB sd with the necessary OS options. I tried the following: HDMI I tried connecting the hdmi cable from pi to my laptop which has linuxmint 17.03 Rosa ...
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2answers
9k views

Why is my Raspberry Pi 3 display not filling the screen?

I've connected my Raspberry Pi 3 to a 7 inch display touchscreen through an HDMI cable. The problem is the display's aspect ratio doesn't match that of the screen, so there's a black bar on the right ...
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696 views

Monitor HDMI compatibility

Is this LG ultrawide monitor hdmi entry fully compatible with raspberry pi 3 model b? http://www.lg.com/us/monitors/lg-25UM58-P-ultrawide-monitor I ask because monitor's hdmi if of type 2.0 and ...
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2answers
737 views

Is it safe to use an unpowered HDMI to VGA converter on Raspberry Pi 3?

I know there are a lot of questions similar to mine and this question may be regarded duplicate, but I believe my question is different. As you may know most of questions are concerned about using an ...
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2answers
155 views

Weird output on 7" HDMI/USB touchscreen

I have an HDMI+USB 7" screen connected to Pi. It gets some data from the Pi, but it displays wrong pixels. The output is not readable at all. The screen does work with another machine. The Pi does ...
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1answer
90 views

Raspberry pi (running ubuntu 14.04) citrix problem

I have a problem running Citrix receiver on my raspberry pi 2B running Ubuntu 14.04 lxde custom spin off (it litteraly only has the core essentials of LXDE and firefox that's it oh and lightdm) It ...
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2answers
401 views

Split HDMI output into two adjacent images

I am looking for the possibility to produce a two channel video output with a Raspberry Pi 3. That is, a device that splits the HDMI signal, ideally coming from full HD resolution, into two output ...
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11k views

Turning 'tvservice' on and off leaves screen blank

I'm running the Qt5 application on my raspberry pi and I would like to introduce some kind of a power-saving feature. I don't use x11 or wayland, because I don't need it, but I use gles2 (OpenGL for ...
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1answer
606 views

Tablet PC on Windows 8.1 with hdmi like a screen for raspberry [duplicate]

I have a tablet PC Qumo vega 8008w and I want to use it like a screen for raspberry by using hdmi port, is it possible to do it without disassembling tablet PC only using hdmi port?
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581 views

New Raspberry Pi B+ not compatible with Noobs 1.4

I've got an SD card I clone every time I buy new RPi B+ and I use it as a base system with all of the software I need pre-installed and configured. It's built on Noobs 1.4.x. The problem occurred ...
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1answer
362 views

Unable to get audio through hdmi on my raspberry pi zero

I have already changed the gpu to run at 128, and have changed the hdmi_drive=1,2,3,4, and 5. I am unable to get audio from the test.h264 sample. I am trying to run video through omxplayer but nothing ...
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Adjust brightness of 7 inch Waveshare display

Is it possible to control the brightness or switch on and off the backlight of an Waveshare display via command line or a script? I'm using the 7 inch version (rev2.1) with a resolution of 1024x600 ...
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1answer
872 views

Is audio via HDMI and line out at the same time possible?

Is it possible to have (the same) audio going through HDMI and the line out on the Pi2 board at the same time? I want to use my Pi2 as a RetroPie station, using HDMI for gaming, so video/audio are in ...
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1answer
652 views

Video Composite android tv raspberry pi

I downloaded and installed android tv on my raspberry pi (link here) and tuned off the hdmi hot plug but it does not seem to display. what am i doing wrong?
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7k views

Connecting a Raspberry Pi 3 to an iMac

I just got my first Raspberry Pi and I was wondering how I can use an iMac as a display for NOOBS. I tried connecting an HDMI cable to the Raspberry Pi and connecting the other side to a Mini Display ...
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1answer
4k views

How to get rid of this video flickering?

When connecting my RasPio to my tv (rather old, but not tube tv anymore), I get this weird flickering everywhere on the screen where clean, thin lines with big contrast are present (including fonts). ...
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1answer
432 views

remote desktop control of raspbian “hdmi” desktop

I have a raspberry pi connected to a television screen, via HDMI, and a wired network. I want to connect to, see and remotely control the raspberry pi HDMI desktop from my remote PC. Is this ...
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507 views

Temporarily put a Pi into energy efficient mode (disable HDMI, avoid X Windows)

I want to deploy a RPi 3 in quasi-headless mode, i.e. no display attached, with an application running that takes time-lapse photos (with the standard camera module). Power is supplied through a ...
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0answers
35 views

Raspberry Pi 2 no longer connects to screen

I am the proud owner of a Raspberry Pi 2. I have had it for a while now with no major hiccoughs however today I noticed it no longer connected to my 10yr old TV, via HDMI. I have tested it on another ...
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1answer
6k views

Can I watch movies with the Rasberry Pi Zero?

I want to make a DIY home-theater system with the Raspberry Zero. My question is will the processor and RAM be enough to play a movie with no problems. (I am planning to use an HDMI cable and an ...
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2answers
738 views

Portable HDMI audio splitting?

I am using the Raspberry Pi for a portable project which uses headphones. The audio quality from the HDMI output is much better than the built-in audio jack. From what I have seen, this is due to the ...
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2answers
888 views

Is there a way to shut off power to the HDMI output?

I have a 5" display that runs entirely on the HDMI connection to the Pi, including power. Unfortunately, the display has a backlight which can't be switched off unless it is completely disconnected ...
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1answer
58 views

T2252MTS Monitor - Stops working after reboot

I have a Raspberry PI setup and want to use a T2252MTS monitor with it. When initially connecting and using the Raspberry PI Model 2B, the monitor works, I have picture. Althogh, after restarting the ...
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1answer
710 views

Raspberry Pi 3 with Raspbian Jessie booting, but no HDMI output. Tried most suggestions on the forums

How do I know the PI has booted? I connected my Pi via an RJ45 to my router and was able to SSH into it. What suggestions have I followed? I tried changing the settings in the config.txt. Mixed and ...
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1answer
212 views

What will I need to make display work with Pi Zero?

At first, sorry for this noob question, I am total newbie in Raspberry and I want to hear from experienced people. I ordered Pi Zero without any accessories and I want to know if I will need some ...
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1answer
441 views

Connect raspberry pi to ubuntu [duplicate]

I have recently purchased a Raspberry Pi, my Laptop has HDMI port and I have HDMI cable,how do I connect Raspberry Pi to the Ubuntu PC. I connected the Raspberry Pi to PC with Ethernet cable, but ...