Questions tagged [display]

Display relates to the use and output of display systems for the Rasberry Pi. The built-in video connectors are HDMI, RCA composite (yellow plug), and a 4-pole 3.5 mm jack.

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DSI Display not detected on reboot

Setup: Raspberry Pi 4 (8GB) running Raspberry Pi OS. 5" DSI Display and 7" HDMI Display. From a cold-boot, the DSI display is automatically detected and works as expected. During a reboot, ...
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Raspberry Pi Zero W w/ 800x480 DPI display exhibits very slow framerate

I'm working on a project with a Raspberry Pi Zero W (NOT the new Zero 2) and a 5" display (800×480, DPI interface from waveshare). I installed Raspberry Pi OS with the new Raspberry Pi Imager, ...
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Why is the display on my official touchscreen not fitting?

I just purchased the raspberry pi 4b with the official 7 inch touchscreen display. I got everything together, and it powers on/works fine. My only problem is that the display trails slightly off the ...
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Raspberry Pi DPI only works over short distances. Why?

I would like to use the Raspberry Pi 3B+ to operate the rectangular HyperPixel 4.0 touchscreen from Pimoroni. However, I don’t want to plug the touchscreen directly onto the Raspberry Pi, but instead ...
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Multiple screen control with RPi4

I have a question regarding Raspberry Pi 4. Can I control 6 inch, 3 oled screens with Rpi 4? I want to render all the screens differently, is that possible? Thanks in advance for your answers. OLED 6 ...
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Pi 4, 2 monitors with same display - screen layout changes not being respected

I have 2 HDMI touchscreens that I'd like to have with identical vertical displays. By identical, I mean I'd like the screens to be mirrored and show exactly the same image. The Screen Layout Editor is ...
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5" DSI LCD display turns black after startup Raspbian w/out GUI

I recently got a Waveshare 5" touchscreen LCD display for my Raspberry Pi 4B. I attached the Pi to the back of the display and connected it. When I started up my Pi, it first gave me the ...
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How can I customize what RPi displays on boot?

I'm new to the RPi world, but I'm using RPi 4 with official Raspbian/Raspberry Pi OS (bullseye) right now. When the RPi start booting, it normally displays rainbow screen, then some splash screen, ...
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Can I connect an HDMI display to raspberry pi with Raspbian OS lite (doesn't have desktop)?

I am currently working an a project with raspberry pi 4 and I need to display a GUI using PyQt5 The problem is the Raspbian OS lite doesn't have desktop (I installed it to optimize the resources ), ...
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I just upgraded by Raspberry PI 400 to 64bit. The screens no longer go into sleep mode. I know next little about linux so please make few assumptions

I just upgraded my Raspberry PI 400 to 64bit. The screens no longer go into sleep mode. I know next to nothing about linux so if you know a fix please make as few assumptions as possible.
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What's the proper ili9341 driver for raspberry 4b ubuntu 20.04 system?

Newly purchased 2.4 lcd,but my system is not origin raspberry os. As to ubuntu 20.04,what's the proper ili9341 driver for raspberry 4b?
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How do I rotate the screen at BOOT time (GUI is rotated but boot messages are still upside down)?

I'm using an LCD module, and I've set display_rotate=2 in my `/boot/config.txt, however when the pi boots, it still shows boot messages upside down. Once the gui boots it is right-side-up. This isn't ...
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Using the Kindle ed060xd4 eink display with a raspberry pi when the kindle itself is broken

Now, there have been a handful of posts about this. Most sadly point to kindleberry. Which from my understanding only works if the ereader itsself still works. I have a working kindle eink display ...
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Raspberry Pi 4, weird problem: not booting, no display, ACT led constantly blinking

I was using my new Raspberry Pi 4 Model B 2GB with Ubuntu Server 20.04 for a week with no problems. After I cut the power for a short while, the raspberry would not boot all of a sudden. I have: ...
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Wiring multiple Displays to Rasberry Pi

I want to connect multiple LCD (or LED) displays to one single Raspberry Pi module to show some text on each display separately. (fps doesn't matter because there is a static text or numbers on the ...
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Why is the Y axis inverted on my touchscreen calibrated with xinput_calibrator?

I am using a raspberry Pi B+ rev1.2 with a 1024x600 7inch HDMI touchscreen and I'm having trouble getting the touchscreen to work So first of I installed waveshareLCDDriver, runned sudo ./LCD7-...
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Pi Zero W rotate terminal

I'm using a CLI only interface with the pi zero W, and wanted to use an older monitor, which doesn't have the ability to rotate the screen itself. Since it's command line only the "$DISPLAY" ...
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why xeyes can't open display on raspberry pi with local display and variable set, no ssh

Hi I'm trying to use xeyes on a rapsberry Pi equiped with an LCD screen. I'm using Raspberry Pi Os Lite Legacy ( a debian buster) and i've installed the packages x11-apps. But when I try a DISPLAY=:0 ...
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raspberry pi official display not working on bullseye

The 899-74666 containing a "Raspberry Pi Display V1.1" [edit] I've updated this quite a bit now and settled on rolling back to a Buster installation. I'll leave the question up incase ...
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Control multiple (10+) monitors at the same time?

I want to make an art installation where there's an array of monitors are displaying graphic rendered by a single machine. In the picture I shown, each little square represent a monitor, and the ...
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install display on raspbarrypi 4 didnt work

i had the lite version installed of Raspberry os on my pi 4 - and now I followed this tutorial https://raspberrytips.com/upgrade-raspbian-lite-to-desktop/ to installing a display enviorment - "...
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Touch screen bug (using to display system screen)

I'm trying to display my raspberry screen on a LCD touch screen. I followed http://www.lcdwiki.com/3.5inch_RPi_Display#Driver_Installation\ On this link there is a video showing it working properly, ...
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RaspberryPi Running Debian 11 Won't Boot Without Monitor

I have a Raspberry Pi 4 running Debian 11 (bullseye), however, it doesn't boot when a monitor is not connected. When the monitor is connected, it boots perfectly, however without it it stalls forever ...
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Screen display issue,

My sons new raspberry pi works perfectly on his 26" monitor. unfortunately it looks like this on his new 7" waveshare touchscreen. I haven't got a clue, can anyone help?
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Continously running presentation "pauses" after one hour

I have a Raspberry Pi that is connected to a TV on its HDMI Port and to the Network over Ethernet. After boot it automatically logs into the GUI with the pi user and automatically starts a ...
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Raspberry Pi 4B script won't run without being plugged in to monitor

I have a Python Script which takes input from a USB camera to monitor the face. The script runs as expected and runs automatically on start up when connected to a monitor. However, I need the script ...
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SATA-to-USB adapter turns off HDMI output

When plugging in an SSD via SATA-to-USB adapter, it turns off HDMI output but I can still SSH into the pi. What is the issue? Model: Raspberry Pi 4B 8GB OS: Debian Bullseye aarch64 Kernel: 5.10.83-v8+
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RPi, Ubuntu, dual monitors no longer working

Raspberry Pi 4B 8GB; Ubuntu 21.10, X11; two BenQ EL2870U monitors I had some system problems after upgrading Ubuntu from 20.something to 21.10. Decided to start fresh: new disk, installed fresh ...
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Not booting after enabling pixel doubling

My Raspberry Pi 4 8GB RAM version with 30Oct2021 upgrade and fully updated and booting from mSD card. As the chrome browser address bar font was too small in spite of trying many options, I tried ...
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Raspberry Pi Zero W won't open any browser [window]

SD as shipped from CanaKit worked perfectly in headless mode. But on several reimagines of the SD card, when attempting to open Chrome or Firefox using RDP, the hourglass spins for a minute and then ...
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screen configuration doesn't keep my 1024x768 but xrandr does

The official screen configuration doesn't keep my 1024x768 but xrandr does. I have to manually key in the xrandr -s 1024x768 in order to get this setting. I see from the monitor that it booted in to ...
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Redshift on Raspberry Pi 4

Is there any way to use Redshift on Raspberry Pi 4? I used redshift -P -O 3700 -g 0.7 -b 0.7 and it only works from time to time. Some times after restarting it doesnt filter the blue light anymore. ...
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How to create a "strobe light" (flashing) effect with a display controlled by Pi?

I've been stuck longer than I'd care to admit trying to find a solution for representing signal data visually with a "strobe light" type of effect or something similar, as a component of a ...
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How to turn off display / hdmi (Bullseye)

Please i have installed Raspbian OS the newest version (Bullseye?) and i have problem with my monitor going off. On the previous Raspbian i just installed xfce4-power-manager and it was working, but i ...
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Monitor I am using is keep showing input signal out of range. (Raspberry-pi4) How can I fix it?

I am currently connecting my raspberry-pi4 to Hanns.G monitor. The monitor's display looks fine just except the message about INPUT SIGNAL OUT OF RANGE. This message is located at the center of my ...
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Raspberry Pi official Display

I bought the official Raspberry Pi Display and wonder now how I can display a GUI on it. I‘m using Raspbian with desktop. I did a lot of research and tried to make an Autostart Programm, which shows a ...
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Display going to sleep and not turning on

I am working on a kiosk powered by RaspberryPi 4, and I have a problem when the pi is running with a DVI/VGA adapter. The issue is that monitor is that the monitor goes to sleep during the night: I ...
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How to configure Waveshare 7 inch display for Raspberry Pi 4

I need help to configure display settings. My config.txt is set by default. Any clue? Thank you! # uncomment if you get no picture on HDMI for a default "safe" mode #hdmi_safe=1 # uncomment ...
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Dual Display on Raspberry Pi 4

I have Windows 10 IoT Enterprise 2021 on my Raspberry Pi 4 (8 gig Ram). I want to use both the HDMI display ports but just HDMI 0 works, so I followed the instructions in this Youtube video and files ...
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Get raw touch data from display into RPI zero

I am using 7Inch HDMI Touch Display with RPI zero. I want to pass the pixel data ( or anything else related ) where touch is sensed to another device. I could not find related information. Is it even ...
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AirPlay to two displays using RPiPlay

I was wondering if it is possible to use RPiPlay with two monitors to extend my Macbook display. I tried connecting the two HDMI ports to the Raspberry Pi but, RPiPlay uses only one HDMI port for ...
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Which software allows Miracast over infrastructure (MS-MICE) "Wireless display" sink on the RPi other than lazycast?

Note at present time, MiracleCast does not support MS-MICE therefore the RPi cannot serve as a ethernet wired display for a windows computer.
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Bash script wont run under sudo crontab but will under pi crontab

I have a simple script start_chromium.sh: #!/bin/bash DISPLAY=:0 chromium-browser --start-fullscreen --kiosk http://server:8080 When I do sudo crontab -e and add @reboot /home/pi/start_chromium.sh ...
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Use DSI1 instead of DSI0

I made a CM4 carrier board, but it seems I have made a mistake. I used DSI0 as the main display, but according to the official Raspberry Pi 4 schematics the DSI1 is used as display 0 (this is really ...
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Raspberry pi screen rotation with OpenGL

As titled, in raspianLite, if I enable OpenGL (fake KMS) I'm unable to rotate the screen using the /boot/config.txt file i tried: display_hdmi_rotate=1 and display_rotate=1 with no success, any ...
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Scrolling text on MAX7219 dot display is lagging occasionally, not sure how to fix

I am using the max7219 library from luma.led_matrix.device import max7219 However, if I use 12 8x8 dot displays in series, the scrolling font lags on random occasions. It looks like it lags for some ...
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Remote controlled rpi soundboard (sound clips)

I'd like to trigger audio clips remotely on a rpi. This is for a Halloween decoration. ~20 audio clips, all of which can be whatever format (wav) and in a folder local on the rpi. I can record and ...
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Why isn't Ubuntu server displaying to HDMI on Raspberry Pi 4?

I flashed Ubuntu 21 Server to an SD Card with the Mac Raspberry Pi flashing application and it appeared to be successful. I inserted the SD card into the Pi and connected it to a power source. I am ...
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Fit contents of screen to small display

I am displaying Raspberry Pi OS on a 3.5" display. The windows do not fit in the screen. Is there a way I can shrink the entire image on-screen so that everything is smaller but fits on-screen? ...
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How do I fix a Raspberry Pi 4 that isn't displaying anything?

The problem first started when I tried to change the orientation of display for retro pi. Before, the orientation was vertical. So I tried to change the resolution options in "Raspi-config" ...
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