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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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0answers
64 views

No Desktop or Wrong Desktop depending on HDMI Connection

When using my Pi on a regular TV or computer monitor via HDMI, everything performs as expected. When I connected it to a Cisco Spark board via HDMI, I anticipated no change. However after the initial ...
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2answers
330 views

Send to monitor with mhl-hdmi port

Can I connect a HDMI cable from raspberry 2 to a monitor with MHL-HDMI port?
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1answer
5k views

Testing CEC on Raspbian

Just installed Raspbian on a 3 B connected to a TV that supposedly supports CEC (LG 47LD450), but struggling to find any info on how to test CEC on Raspbian. I want to confirm that it works, or ...
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1answer
750 views

Raspberry pi USB camera feed (LOCAL ONLY - no network)

I've come across many tutorials that allow for the network streaming of a USB camera from a pi. I simply want to view a live stream FROM the raspberry pi ON the raspberry pi. Setup: Wired usb ...
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0answers
619 views

Android Things (0.5.1) fails to initialize GPU on Raspberry Pi 3 Model B?

I have just set-up a Raspberry Pi 3 with Android Things using the latest developer preview (5.1). It boots and I can run some minimum samples, and the output can be seen normally in a HDMI screen. So, ...
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1answer
1k views

Raspberry PI 2 HDMI to coaxial?

I have a Raspberry pi 2 that only has HDMI display port. I need to feed the RPi display to 4 TV's in the office (one RPi drive 4 TV's) I have coaxial cables connected to the TV's and they all ...
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0answers
59 views

My screen displays weird things

I have a problem with my raspberry pi zero. My HDMI screen shows weird things (see below). Other screens work fine it is only this one. I can move my mouse fine. Can I solve this issue or do I have to ...
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1answer
3k views

Unless TV/HDMI switch set to RPie, resolution is too big

So, I have a RetroPie running on Pi-3B, with the RemotePie HAT controlling on/off. When I turn it on, unless my TV (1080p HD) and HDMI switch are set to the inputs to display the Pie, the display is ...
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0answers
147 views

HDMI display output rendered useless on 2 different Raspberry Pi 2

Is there a way to corrupt the firmware in the Raspberry Pi ARM? I cannot understand what has happened to my 2 RPIs and I was never expecting software or the operating system being able to disable the ...
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1answer
1k views

No audio on Raspberry Pi 3 w/Kali

I know there's a similar question, however it hasn't yielded an answer because the OP never answered the questions of a member who replied. Specifically, I'm trying to get audio output through HDMI ...
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1answer
3k views

Configure ALSA Sound card

I have 2 playback device where one is HDMI and the other is HAT sound card. The requirement is to play audio from card 0 or 1 without rebooting the system. aplay -l **** List of PLAYBACK Hardware ...
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1answer
37 views

Monitor goes black when unplugging the ethernet cable

My Raspberry Pi B+ is working well except: the HDMI only seems to work if the ethernet cable is plugged in. If I remove the ethernet cable the monitor goes black. I plug the cable back in - monitor ...
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1answer
21 views

Power and Visual Advice Neeed [closed]

I am VERY new to the aspect of using a Raspberry Pi for projects and I want to make my first project something to remember. So I am making an emulator with a Raspberry Pi 3 Model B and have yet to ...
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1answer
934 views

Output HDMI through USB to PC

Before I explain, I doubt this is possible I want to be able to output the video from a pi zero over USB and have the PC its plugged into send keyboard/mouse inputs. Like USB ssh but actual video out,...
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1answer
389 views

PWM via GPIO to trigger a MAPIR Camera

I am currently trying to trigger a MAPIR NDVI Camera with a PWM Signal. The camera is connected via this HDMI trigger cable. The white wire is connected to GPIO PIN 17, the black wire is connected to ...
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0answers
482 views

Raspberry Pi Zero W Mini-HDMI to VGA connection problem

The SD card I ordered a week ago showed up at my house today so I threw Raspbian on it with Win32DiskManager and attempted to boot up, but I was greeted without any kind of video signal. After doing a ...
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2answers
9k views

Raspberry Pi no signal to hdmi

This is the first time I've tried to use a raspberry pi, I bought a CannaKit that came preloaded with NOOBS. When I attempt to boot with the HDMI my screen says no signal, the HDMI output is correct, ...
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1answer
2k views

Reduce power consumption script

I have read on this blog that you can reduce power consumption: https://www.jeffgeerling.com/blogs/jeff-geerling/raspberry-pi-zero-conserve-energy By disabling the HDMI port. He says that I should ...
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1answer
864 views

Omxplayer video flashes to black screen when connected to projector

I'm using Tim Schwartz's Raspberry Pi Video Looper to turn my Pi 3 Model B into a simple video player. It works flawlessly connected to my Samsung HDTV over HDMI as well as my older Apple Cinema ...
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2answers
4k views

Is it possible to power a Raspberry Pi (Zero/Compute Module) over an HDMI/MHL socket of a TV?

Today I stumbled upon the WDLabs Media Stick for the Raspberry Pi Compute Module at the ModMyPi Online Store and was immediately reminded of the Intel Compute Sticks or the ASUS Stick PCs. But the ...
2
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1answer
77 views

Access to another X session from another

I have RPi3 connected to the TV via HDMI. I'd like to have another connection (via VNC for example) and start presentation which will be displayed on that TV connected via HDMI. Is it possible?
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1answer
247 views

Audio over HDMI not working on Pi 3

I have recently acquired a Raspberry Pi 3 Model B. The audio doesn't work and having looked at other people's comments online I am not the only one having this problem. I have tried the things that ...
4
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1answer
663 views

HDMI passthrough with Raspbian

I have my RPI3 connected to a pair of Edifier S1000 speakers through a device that extracts the audio from the HDMI signal and sends it to the speakers through an optical cable. The sound is clearly ...
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2answers
112 views

What does HDMI as composite mean?

Im reading into cpu usage and read this in some documentation "Use HDMI as composite requires more CPU usage." Does that mean that using the audio over the HDMI is going to use the CPU less or more?
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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.
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2answers
245 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 ...
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1answer
937 views

How to enable HDMI on my Raspberrypi 3 without rebooting

I accidentally just locked myself out of my pi while editing /etc/ssh/sshd_config. The pi is still mounted as a drive on my desktop via sshfs so I looked at sshd_config and I can see that I ...
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1answer
741 views

Raspberry Pi custom resolution issues for 12.3" 1920x720 LCD

I have an LCD from a Chonese manufacturer. 12.3", resolution is 1920x720 pixels. When I set the following in the config.txt file I get some white stuff at the bottom of the screen. Any ideas why? ...
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1answer
687 views

HDMI audio output delayed

Using Raspbian Jessie, when I try to output a short beep sound (approx 0.5s) through HDMI, the sound is somehow distorted. The first few 100ms of the audio is not played, or the audio is played too ...
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0answers
820 views

tvservice command from php fails (Failed to initialize VCHI)

I want to be able to turn HDMI on and off from a web page. I have written this script: $power = $_GET['power']; if ($power === 'on') { echo "<h1>Switching TV on</h1>"; $output = ...
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1answer
272 views

DisplayPort converter HDMI for Raspberry Pi 3

I tried to use a DisplayPort converter to HDMI but, it did not work. I have my monitor with DP port and my RP3 with a HDMI. I am confused about so many resources on the internet that do not provide a ...
3
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1answer
506 views

Transmitting live video over long distances with ethernet?

I'm having trouble thinking of the best way to transmit live video using a pi zero w and a camera module through a wired ethernet connection of around 100ft. (model 3 could also be used) I want to ...
1
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2answers
700 views

No HDMI out displaying after boot up screen

I normally use VNC to connect to my Pi so I have not used the HDMI out in the past couple of weeks. When I first set up my Pi I did it using the same display and HDMI cable I am trying to use now (and ...
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1answer
123 views

Can “normal” app change resolution/refresh on the fly

I want to write a Pi app to test the ability of American HDTVs to display 720p50, 1080i50, 1080p50, and other assorted modes, like the 59.94 & 60fps variants of 720p60 and 1080p60 via HDMI. Few/no ...
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1answer
2k views

HD/4k streaming to 65" tv

So as indicated in the title, I'd like to be able to be able to use my pi3 as a media center of sorts and at the very least, stream some HD/4k videos to my tv (65" 4K Samsung). As it stands, I am able ...
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2answers
3k views

Raspberry Pi Custom resolution for 1280x320 LCD

I have a Raspberry PI and a 1280x320 pixels ultra wide LCD. Is it possible to have a custom resolution for this to make work correctly? Thank you.
0
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1answer
1k views

HDMI: The current input timing is not supported for Raspberry PI3

While connecting to Raspberry Pi 3 to Monitor via HDMI cable, I am getting following error on the monitor. Error: "Current input timing is not supported by the monitor display. Please change your ...
2
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0answers
1k views

raspberry pi stuck on “welcome to pixel” page

I am a college student working on a raspberry pi project. I recently got my raspberry pi and I was able to display the pi on a TV monitor via HDMI few days ago. However, I had to download some ...
4
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2answers
3k views

Using RPi touchscreen as primary display, how to display image on HDMI?

I am using RPi 3 and a RPi touchscreen as my primary display. I would like to output an image to an HDMI display to be displayed for x seconds (to project an image for a 3D printer). HDMI output is: ...
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4answers
5k views

Raspberry Pi Monitor goes black periodically

I have a Raspberry Pi 2 connected to a Dell 1707FP monitor via an HDMI-to-VGA cable. Every minute or so , the screen will randomly turn black for a second and then return. This occurrence happens ...
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0answers
124 views

After power on Rpi3 RED led steady but green continuously blinking. what could be the problem?

i brought new Rpi3 and boot 16gb card with 2017-03-02-raspbian-jessie when power on red led steady and green blinking is there any problem in booting process of pi? HDMI not showing anything neither ...
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1answer
255 views

Raspberry Pi outputs video only on second HDMI port of Dell U2414H monitor

I have Dell U2414H monitor which has two HDMI ports. The problem is RPi works only when connected to second HDMI port, while I had no luck trying to make it work on first port. When I connect RPi to ...
3
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1answer
5k views

Does Raspberry Pi 3.0 support HDMI 2.0 standard?

I am not able to see specific protocol version of HDMI (1.4 or 2.0) supported by RPI 3.0. Basically I want to take HDMI 2.0 output from RPI and provide it to my device. Also can we measure the rate ...
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1answer
1k views

Stream HD movies using chromium lags every 4 seconds

I am new to the raspberry family and would like to stream Hd quality movies from the internet. Raspberry pi 3 I have the default rasbian operating system installed on my raspberry. I also purchased ...
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1answer
1k views

Can Macbook Pro (Late 2016, USB-C) screen be used as monitor for Raspberry Pi over USB-C with HDMI adapter?

I have a MacBook Pro 15" (Late 2016, Touch Bar and USB-C ports), and I want to sometimes use the screen as a monitor for my Raspberry Pi. I know that old MacBooks couldn't do this because the HDMI ...
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3answers
4k views

How can I change the HDMI resolution without rebooting my Raspbian system?

How can I change the HDMI resolution of my running Raspbian (Jessie) system without rebooting my Raspberry Pi 3?
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1answer
5k views

Rotate on an HDMI

I have been trying to simply rotate the screen on my Raspberry Pi so it looks like portrait mode. I can't seem to figure out the problem. I go to sudo nano /boot/config.txt And then I added both ...
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0answers
156 views

Can I enable a HDMI auto detect to substitute a GPIO screen

Ok so I am running raspbian jessie pixel on a pi 3 b and I have installed adafruits 3.5' piTFT and it uses the GPIO pins and I would like to know if I can cause it to auto detect HDMI on boot and oly ...
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1answer
2k views

Auvidea B102 and rpi3 B

Hello I want to buy the auvidea HDMI to CSI-2 bridge and I want to know if it will work with my RPI because the website is not very helpful EDIT From what I read it looks like I need to buy the b101 ...
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2answers
1k views

No video for Raspberry Pi Zero W

I just received my Pi Zero W and I am a little frustrated. I can't get any video output from it. First, I tried old SD cards (jessie, kali and libreelec) which were running on the previous A+, B+, ...