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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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50 views

Resolution problem in 5 inch screen

I have one 5" screen, when I connect it to my Raspberry Pi see like this: But when I connect it to my computer the screen works well: I tried with change the parameter in video section in config....
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1answer
640 views

Raspberry PI not accessible without HDMI plugged in

I have a Raspberry Pi 3. For whatever reason, it doesn't seem to boot up if the HDMI cable is not plugged in. I am running the latest "stretch" desktop version. Steps taken: 1) Plug in AC adapter. ...
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1answer
250 views

TV display resolution issue during runtime

when I tried to tvservice -e "CEA 16", the TV's screen always black-out. Whether the option is not supported or is it a bug. I am currently, running RASPBIAN NON-NOOBS and running 4.8.16 kernel. Will ...
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1k views

How to make desktop computer display RPi's desktop via HDMI?

I just bought RPi and installed Raspbian on it and I'm pretty new to the topic. My current setup at home does not contain a display with HDMI connection (it has VGA and I don't have a VGA-HDMI ...
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2answers
177 views

Weird resolution

So, im new to the raspberry pi. When i first started it and installed the raspian os with noobs, it had fine resolution. But then i rebooted, and for some reason the noobs menu was in alright ...
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3k views

Controll TV Channels via HDMI via Raspberry Pi

So I have: 1x LG 42" LED LCD TV 1x HDMI Cable 1x Raspberry Pi (Model B) I have been looking around but did not find much on this topic except a disscussion on how to do this via SCART. I'm ...
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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

HDMI audio on Raspberry pi 3 b not working

I've already seen Audio over HDMI not working on Pi 3 (audio not working though HDMI, but working though speakers) but the actions described by @Vader did not work for me. The fact is that it ...
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2answers
8k 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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2answers
2k views

Problem with python cec in raspbian stretch

I have rpi 1 model b with stretch installed. I want to use python cec library. First I tried to install it. sudo apt install python-libcec But fails to import cec :: Python 2.7.13 (default, Jan 19 ...
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1answer
39 views

Why does screen go blank while wifi data is being transmitted?

I got a Raspberry Pi 3 B+ with 2.5A power supply that came with it. I've connected a VGA monitor (via an HDMI-VGA adapter) and keyboard to it, and connected it to the WiFi. From the beginning, the ...
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1answer
158 views

Couldn't get a display on the screen when using the RPi

I had a long time I didn't get my hand on the RPi. I got the Emlid image burned on a 8gb micro sdcard using the dd command. I have the pi connected to a the screen using HDMI to VGI cable, but I get ...
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1answer
85 views

Is there a way to detect if the AUX port of the Raspberry Pi 3 Model B+ is in use?

We are trying to detect if the AUX (3.5mm) port of the Raspberry Pi is in use so we can automatically swap the output sound to either that or HDMI. If there is no straight answer, are there any ...
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4answers
6k 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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1answer
1k 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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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 ...
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0answers
2k views

Raspberry Pi 3 Model B+ goes to black screen after a short while of inactivity

It ranges between 10 to 30 minutes. It is attached to a TV via HDMI. The monitor will go black. Moving the mouse of tapping the keyboard of the Raspberry Pi will "wake up" the screen pretty quickly. ...
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3.5in TFT screen hat and Raspberry Pi 3+b

I'm trying to understand something about the MPI3508 screen I purchased (https://www.amazon.ca/dp/B07DQKQG6X). I tried powering it via usb and connected a PC in its HDMI input and got it working (the ...
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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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1answer
1k views

Raspberry pi 3 not booting, screen is blank

I recently purchased a raspberry Pi 3 and bought a 8 GB micro SD card with it I wrote the image file of Raspbian onto the micro-sd card with win32diskimager which took 2 hours and then attached my ...
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3answers
78k 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 ...
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2answers
1k views

Mute TV with HDMI CEC Raspberry pi

I am trying to mute my Visio TV with cec-client through my Raspberry Pi 2. I have enabled the CEC features of the TV and have successfully seen status and turned the TV on and off. However, when ...
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1answer
2k 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
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 ...
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173 views

How to troubleshoot a permanently blinking green light on a Pi3b?

The green light on a Pi3b is blinking permanently, even after bootup. It outputs two flashes at a time for as long as the power is on. Is this normal? If not, how do I troubleshoot this? Background ...
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161 views

raspberry pi model b+ Not booting

I recently bought a raspberry pi 3 b+ from amazon and when I got it delivered the package was already opened, so I just want to check if my raspberry is working or not so I formatted a compatible sd ...
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2answers
3k views

HDMI vs DSI, pros and cons? [closed]

I am curious what the main differences are between using the HDMI output or the DSI connector to hook up a screen? I understand that HDMI carries audio while the DSI ribbon connection will not, and ...
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2k views

OSMC / Raspberry Pi 2 dual display w/ HDMI and Raspberry Pi Touch Screen Display

I have a Raspberry Pi 2 setup with OSMC media center running. It works great. I can use either HDMI or the 7" Raspberry Pi Touch Screen Display. With one display or the other it works great! However, ...
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1answer
25 views

how do i improve my HDMI resolution

my video resolution has always been great! but i downloaded a graphical interface for my pi Bluetooth and know i can not achieve a good picture on my hdmi to my tv the code was downloaded from sudo ...
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1answer
849 views

Showing an image on HDMI (DSI, HDMI screens connected)

I have a Raspberry Pi 3B device connected to a LCD '7 (7 inches LCD, its a touch screen I believe that's called DSI not sure) and also a HDMI screen. By default Raspbian considers the LCD as the ...
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2answers
3k 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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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 ...
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0answers
77 views

Raspberry Pi (or an alternative) with HDMI auto-switch

I want to use Raspberry Pi 3 with an HDMI auto-switch, but I understand that the Raspberry Pi is an "always-on" computer, so auto-sensing doesn't work with it (the HDMI port keeps appearing active ...
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1answer
753 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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0answers
297 views

problem with video HDMI video output, distorted image

I am playing with a Rpi3 distro (Android Raspand) and I can't see anything. Image is twisted and distorted, please see how I am playing with config.txt following this guide https://raspberrypi....
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649 views

Enable HDMI port and force hot plug using crontab

I have a Pi connected to a Polaroid tv by HDMI cable in order to create a "Dakboard". Now when initially starting the project the TV was acknowledging a signal coming from the HDMI port (ie the no ...
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1answer
58 views

How to display native-resolution console on the monitor after booting without one?

I've started my Raspberry Pi Model B without having any monitor plugged. Then I plugged the HDMI monitor, but got no signal. So far I've been able to turn it on by using the command: tvservice --...
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1answer
391 views

Switch audio output not working

I'm using Raspbian Stretch Desktop for my Raspberry Pi 3B. I'm using a VGA screen with an HDMI to VGA adapter, so I want the jack to work as my main audio output. If I unplug the HDMI and reboot, the ...
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0answers
332 views

Displaying only video/image while python program running on background

I have a Raspberry Pi 3B with a Python3 code running 24/7. Right now, I'm running Raspbian Stretch desktop on console mode with no I/O. I only connect a screen via HDMI and an USB keyboard for ...
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0answers
58 views

Raspberry Pi HDMI blacking out and keyboard,mouse freezing

My setup consist a Raspberry Pi 3 model B running raspbian jessie. It is powered through GPIO header by a 5V, 5A switching regulator. I had a HDMI monitor, a flash drive and a USB hub connected with a ...
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0answers
389 views

Sound headaches on Pi 2B

The problem I have a Pi 2B running Ubuntu MATE connected to a small TV by HDMI. For some reason I get no sound for practically all of the time, neither on HDMI nor the headphone jack, even after ...
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1answer
739 views

HDMI Desktop in portrait mode not working

I have a Raspberry Pi 3 connected to a Toshiba TV HDMI port, which I want to use in portrait mode think to display a restaurant menu. I have changed the /boot/config.txt and added the following: ...
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0answers
1k views

Auto-detect HDMI on boot (touchscreen attached)

I'm using the 7" official Raspberry Pi touchscreen, attached with a ribbon, on an RPi 3 Raspbian Jesse. This screen does not support displaying on both it and HDMI output simultaneously, so I can only ...
6
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2answers
1k views

Why my HDMI->DVI converter works only when powered from PC?

So, I have a Raspberry PI B+. It has HDMI video output. Since the only device in my house that has HDMI input is the TV, which is in another room and is usually occupied by my wife, and as my monitor ...
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1answer
91 views

RaspPi 3 unresponsive after HDMI cable swap

I’m running Kodi on a RaspPi3 as a media centre solution. The HDMI cable feeds into a 4-port HDMI switch to allow access to various other devices. I have a TV and a projector so that I have to change ...
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2answers
3k views

setterm: terminal xterm-256color does not support --blank

Since installing the latest build of Raspbian onto my Rasberry Pi 3, I've been getting the following error: setterm: terminal xterm-256color does not support --blank setterm: cannot (un)set powersave ...
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1answer
10k 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 ...
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2answers
1k views

No command line interface on HDMI but kernel logs printed

I'm currently trying to build my own custom Linux OS for my Raspberry Pi 3 and am experiencing some trouble. I'm using buildroot v2018_2. I configured the system using make raspberrypi3_defconfig ...
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1answer
724 views

How can I detect the HDMI status of the Pi?

I'm using the command: tvservice -M However, is not able to detect whether HDMI is connected or not. Is there other way to detect HDMI status?
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5answers
2k views

Dual touch screens , one for input and a second for output

I am working on a project where I will need to use two displays. One small touch screen display for easy user input and one HDMI display for video output. So pretty much the user would select an ...