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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.

155 questions with no upvoted or accepted answers
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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 ...
5
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6answers
6k views

Raspberry Pi 3 HDMI Not working

I have raspberry pi 3 model b and windows 10 PC. I downloaded Raspbian instead of NOOBS in order to be able to modify the config.txt file. But I'm still having the same problem, that my display doesn'...
4
votes
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, ...
4
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0answers
1k views

Getting the active source via HDMI-CEC doesn't seem to work

I am very new to HDMI-CEC. I have a Pi3 and a Pi2 connected to a TV's two HDMI ports. If I run: echo scan | cec-client -s -d 1` I get the following output: OpenELEC:~ # echo scan | cec-client -s -d ...
3
votes
0answers
131 views

Raspberry Pi 4: Console on first HDMI screen, X11 on second HDMI screen

The new Pi 4 has two HDMI Ports. After booting Raspbian, the first screen (HDMI-0) should display the console and the second screen (HDMI-1) should display the X11 desktop. My first thought was ...
3
votes
0answers
160 views

RPi cold boots into low resolution (LCD)

I have this LCD connected to my RPi B+ (HDMI). I have configured the boot config.txt to enable its 1024x600 resolution, however, on COLD boot - it runs at a lower resolution. Only after a SOFT reboot, ...
3
votes
0answers
913 views

Bluetooth Input Not Outputting High Quality Audio to FM

I have Raspian Wheezy running on my Raspberry Pi. I have set it up to run pifmplay and output the sound to HDMI - (Pin 4 on GPIO) so that the Pi is now working as an FM Transmitter. This part works ...
3
votes
0answers
2k views

Control LCD brightness?

Is there a way to programmatically control LCD brightness of the screen connected to RPI over HDMI? As far as I could figure there is really no way to achieve this with RPI over HDMI. What about RPI ...
2
votes
0answers
36 views

How to split a display into many and access all the screen

I'm trying to split the screen in raspberry-pi. and access each screen for each display I want the multiple layer in a single screen. Eg. my output screen resolution is 1024x720 in that i have to ...
2
votes
0answers
309 views

Raspberry Pi 4 - Dual Audio with Dual HDMI

I have a Raspberry Pi 4. The thing is, I want to play 2 videos at the same time, since the RPi-4 has 2 HDMI outputs. BUT I also want to have split audio. The audio from video 1 should go out over the ...
2
votes
0answers
243 views

How can I get my new Raspberry Pi 4B to output 1080i video

I finally got into the Pi world with a model 4B. I've updated it to Raspian/Buster and have the network working (wireless and wired - but just using wireless right now). I'm running it using VNC-...
2
votes
0answers
59 views

How do I capture and stream HDMI audio out to LAN

I have a RPi that is running videos with omxplayer and outputting to my tv. HDMI video and audio out work just fine, but I would additionally like to stream only the audio to my network (via RTP or ...
2
votes
0answers
113 views

Direct sound playback via HDMI with sound input from Bluetooth Mic

I've connected my Raspberry Pi to a TV via HDMI, by default the sound output is through TV speakers via HDMI. I installed pulseaudio and successfully connected a Bluetooth headset [samsung HM1100] to ...
2
votes
1answer
154 views

Output to unorthodox HDMI screen

I have a little bit of an issue displaying the Raspberry Pi on a 1280x272 screen. The monitor is about 9" and has a HDMI input. I have tried connecting it before startup, and it doesn't seem to work....
2
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0answers
137 views

HDMI problem with Raspberry Pi 3

I bought a Raspberry Pi 3 model B starter kit with an hdmi cable inside. I wanted to create a smart tv using my LG full hd (I don't remember the model). The problem is that when I use OSMC or ...
2
votes
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 ...
2
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0answers
410 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 ...
2
votes
0answers
825 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 ...
2
votes
0answers
26 views

Raspberry Pi 2 Audio vs Video Clash

So, I'm having an interesting issue. Those of you who have seen me around know that I don't usually use a GUI of any sort with my Pi. However, I recently got another one and decided to make an ...
2
votes
0answers
3k views

Getting touchscreen to work in raspbian / kodi

I got a HANNS-G HT231HPB touchscreen which I want to get fully working on raspbian and kodi. It seems to work in the normal lxde on raspbian, but when I start kodi I get no touch events. Can someone ...
2
votes
0answers
92 views

Raspberry Pi 2 Model B no image

I've just purchased a Raspberry Pi Model B, I've installed NOOBS latest version after I've formatted card with SD card formatter. Problem is when I'm booting it appears the menu to install Raspbian, ...
2
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0answers
561 views

Raspberry Pi - HDMI damaged?

My Raspberry Pi have some strange display output (as seen in bottom right corner of attached image). Yesterday all worked fine. Today I went to an other place and connected the Pi to the display. ...
2
votes
0answers
771 views

Sharp 50LD264E CEC not working with OpenELEC on RPi

I can't get HDMI-CEC to work with a Raspberry Pi running OpenELEC 4.2.1, with my old Samsung TV it worked correctly, but my new Sharp 50LD264E doesn't work. I've checked all the relevant settings on ...
2
votes
0answers
271 views

HDMI Passthrough on TV

I am researching the feasibility of using a Raspberry Pi as a pass-through device on my TV. The goal is to put this in the middle of a connection between the cable box and the tv. I would like the ...
2
votes
0answers
177 views

Raspberry Pi B can be seen on LAN but no Video output on either HDMI or RCA

My Raspberry Pi B running RaspBMC recently stopped working, I found that the SDCard had died. I rebuilt a new SDCard with the latest RaspBMC download. The LEDs on the Pi all illuminate, I can see ...
1
vote
0answers
536 views

Raspberry Pi 4B no video

I just bought two raspberry 4s (1Gb and 2Gb of RAM) and am unable to get the slightest video signal out of them. I tried every combination of the following components: Raspbian buster lite/desktop 5V ...
1
vote
0answers
110 views

HDMI power circuit on the Raspberry Pi 4

The previous models of the Raspberry Pi used different circuits to connect its 5 V power rail to the HDMI connector, i.e. How much current can I draw from each model's HDMI socket? Especially the ...
1
vote
0answers
21 views

Is it possible to adjust the backlight of a DELL U2414H monitor connected via HDMI?

I have a magic mirror I'm building that has a RPI at it's heart but even with the screen blanked at night, I can see the backlight glowing. Is there any way to adjust backlight brightness via the ...
1
vote
0answers
18 views

How do I stop my HDMI going off

for some reason, after a while the screen connected to my RPI 3B+ goes off, and stays off, until I unplug it and plug it back in again. I only run in console mode, and running alt+F[1-4] does nothing,...
1
vote
0answers
26 views

Ethernet speed: Screen ON vs screen OFF

I've a Raspberry Pi 3 B+ with Ubuntu 18.04 installed. With an SSH connection with my Kubuntu PC, the transfer is good (4.5Mo/s) when RPi's screen is OFF (via xset dpms force standby) but if the RPi's ...
1
vote
0answers
26 views

My raspberry pi 3+ suddenly stopped displaying

I've been using this raspberry pi for months to run LibreELEC to run Kodi. One day it didn't let out a HDMI signal. I no longer am able to a HDMI signal at all, my SD card is fine, I even reinstalled ...
1
vote
0answers
36 views

Unable to get HDMI connection via Raspberry Pi 3 B+

I have a Raspberry Pi 3 B+ model and a FLATRON W20437 LG monitor along with a 5V 2.8A Power Supply and a keyboard. After I load the contents of Raspbian OS with stretch on the SD Card (32 GB Samsung ...
1
vote
0answers
45 views

EDID problem with different monitors

I've got 2 monitors I use with a pi. The HP monitor self identifies root@raspberrypi:/home/pi# tvservice -n device_name=HWP-HP_L1755 & it is happy with the preferred hdmi settings root@...
1
vote
0answers
257 views

How to configure duplicate screen on a Pi?

I have a Raspberry Pi 2 connected with a TouchScreen. I also connect another external display via HDMI. Goal I've been trying to make my external display show as duplicate mirror the one on the ...
1
vote
0answers
104 views

SONY TV as Display / Monitor

Background: I have successfully used pi-3b+ to display on LG LED TV, New model Sony 4K LED TV. Requesting your support: The year 2011 SONY 40NX710 model is showing blank (No desktop / text-console). ...
1
vote
0answers
162 views

Raspbian Stretch doesn't show any display on boot

I installed the image of raspbian stretch (version: 9) on an SD card and mounted the card on the Raspberry Pi. On first boot the display came up and the initial setup was done. In addition to the ...
1
vote
0answers
18 views

No video on SV-3 instrument viewer

When I set the Pi (Zero) up with the required 640x480 60Hz mode in config.txt the SV-3 reports no signal. But if I plug a VGA Acer monitor in to the Pi and then unplug it, plugging in the SV-3 works! ...
1
vote
0answers
1k 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. ...
1
vote
0answers
81 views

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 ...
1
vote
1answer
342 views

How to start xorg on a physically connected display via SSH?

The pi is configured to start into text mode so that no xorg libraries are loaded during normal operation. Yet I would like to be able to occasionally run a xorg desktop session when connected to an ...
1
vote
1answer
257 views

Display controller for HDMI shows no signal only for Raspberry

I'm bought a (notebook) display LP171WP4 (TL)(01) and a display controller. Both are working if I connect it to my Macbook via HDMI. But with the Raspberry PI 3 B it doesn't work. The display is on ...
1
vote
0answers
159 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 ...
1
vote
1answer
307 views

Monitor Displaying “No Signal” with RetroPie at Powerup

I'm in the process of building a game console using RetroPie and a Raspberry Pi 3. I'm connecting the Pi to a monitor via HDMI, and I'm powering both using a power strip with an on/off switch, to ...
1
vote
0answers
75 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 ...
1
vote
0answers
306 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 ...
1
vote
1answer
163 views

SPI vs HDMI power consumption

I'm using a Pi Zero in a portable project and wondered if there were any power savings to be made by using an SPI display over a HDMI one or vice versa.
1
vote
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 ...
1
vote
0answers
573 views

Issue on Display Resolution

I am unable to set the correct screen resolution when trying to connect TV/Monitor(via HDMI) with RaspberryPi3 at runtime, the following are the steps: Disconnect TV if already connected Boot ...
1
vote
0answers
797 views

HDMI-Ethernet extender

I'm trying to redirect HDMI output of my Raspberry over ethernet to place a monitor 25m away from raspberry. I'm using a "Techly" HDMI extender like this. My connection scheme is similar to this: ...
1
vote
0answers
367 views

Block Raspberry Pi from quitting fbi fullscreen (HDMI) to command line

I'm developing a parking control system in Python 3 which runs in headless mode at the Raspberry Pi startup and uses one RFID reader, one Barcode reader and many other devices but they really don't ...