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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HDMI output of a Raspberry Pi on TV [closed]

Problem trying to display HDMI Output on a Television I work in computer science, and I learn to code. I bought a 4GB Raspberry Pi 4 with all the basic accessories. HDMI cable, SD card, protective ...
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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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Match tvservice device to fbset device

I would like to match the "tvservice" display device (iow, 2 for HDMI0 and 7 for HDMI1 and I think 5 for LCD) to the framebuffer device as used by "fbset" For now, I am hardcoding: ...
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How to start program on specific monitor?

There are 2 displays attached to Raspberry Pi 4 over HDMI. pi@raspberrypi:~ $ DISPLAY=:0 xrandr -q | grep ^HDMI HDMI-1 connected primary 1024x768+0+0 (normal left inverted right x axis y axis) 256mm x ...
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RetroPie on Pi 4B won't display on LG smart tv

I have a Raspberry Pi 4B and have installed RetroPie on it (by flashing the image provided on the RetroPie site). In the beginning, connecting to my LG smart tv (43UM7600PLB) worked fine. After a ...
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Same display between 2 monitors on Raspberry pi 4

I want to know if its possible and what is the easiest way to setup both my monitors on a single Raspberry PI 4 to display the same view instead of a standard dual monitor setup where you can do some ...
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How to save screen configuration?

I have a RPi 4 with 2 monitors running the latest version of Rasbian. For a few months, upon startup, the monitors have been mirrored where I would like them to act as one larger combined screen. I ...
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Raspberry Pi 4 Model B forcing itself into 4:3 (720x480)

For some reason, when hooking up my Pi to my laptop using an HDMI to USB dongle it forces itself into 4:3 aspect ratio and same goes for remote accessing it. This just now happened and I don't ...
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How do I change a system environment variable [closed]

I would like to the change the color of the directory listings in my SSH sessions on my Raspberry Pi. The blue color is very difficult to see on my 4K display. It appears I need to change the ...
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Pi 4B ignores HDMI mode 4 - 640x480, boots instead at 1024x768

I edited /boot/config.txt to use hdmi_group=2 and hdmi_mode=4; one HDMI monitor is connected to the first connector. It starts at 1024x768 instead. Only when I explicitly run xrandr --output HDMI-1 --...
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OLED 128x128 is not displaying correctly the colors

I'm having trouble using the OLED SSD1351. I'm running python programs with the luma.oled library. When I run a program that uses colors, these are displayed incorrectly, red is displayed like blue, ...
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Powering aAdafruit PiTFT 2.4" HAT Mini Kit - 320x240 TFT Touchscreen. via a power bank. (Needs a bit more power)

I've been having problems getting this set up and now I do believe I know why. I got an Anker Power Bank (26,800mah) Not the Power Core + Input: 5V ⎓ 4A (5V ⎓ 2A Max Per Port) Output: 5V ⎓ 6A (5V ⎓ 3A ...
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Pi Zero W and Oled Display via HAT?

Beginning playing with PI, I am looking for a display that I can attached onto my Pi Zero W. Very sorry that I am not very familiar with all the connectors. Could I ask whether is is possible to use ...
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Can I use my Raspberry Pi (connected to an LCD Panel) as a Wireless Display that my Windows PC can connect to and use as a secondary display?

So basically, my idea is this: I have a PC in one part of the room/house. This PC is on the LAN. I have a big screen/display in another part of the room/house that is the output of my rPi. My rPi is ...
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How do I turn touchscreen on and off while pi is running?

I have this touchscreen: http://www.lcdwiki.com/3.5inch_RPi_Display How do I turn the touchscreen on and off when I want? All the guides I read were about turning an HDMI screen off (I can already do ...
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Check if display is broken or gpio problem

I bought ST7735 128x160 display and I run it with this code The first time I ran it, it worked, but cables were connected through a breadboard. So I decided to connect it straight to GPIO - I took a ...
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Problems with Raspberry and touchscreen

I'm working on a Raspberry Pi project and I need to use touchcreen, I got 7" Waveshare touchscreen, I plugged it in my Raspberry Pi (via GPIO pins) and touch didn't work... I went on their ...
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omxplayer - how to force elapsed-time:total-time display during pause

I want videos played via omxplayer to display elapsed-time:total-time on screen when paused, and then go back to just showing the video when playing. I have "searched" until I'm blue in the ...
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Can I use this screen from a digital brochure with the Pi?

I recently received a kind of digital brochure that was just this large screen in a cardboard envelope. I ripped it out and I'm curious - can I drive this with a Pi? I tried looking for ribbon cable ...
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Raspberry pi 4 gives vertical color lines on bootup

I am using a Raspberry pi 4 model B 4GB with ubuntu 20.04 installed on a 32GB memory card and when I booted, I got a display with vertical color lines. I tried using multiples displays and all results ...
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problem with chromium: cannot open display:: 0.0

I have a screen for raspberry pi (this one: http://www.lcdwiki.com/3.5inch_RPi_Display) to install the drivers for the screen I put (as said in the document below): sudo rm -rf LCD-show git clone ...
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Does Pi4 output correct video for Apple CInema Displays?

I've seen the older thread asking about a pi 2 on a cinema display, but the responses weren't helpful. I have an old Apple Cinema display that does work - had an ancient mac up and running, but that ...
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Second monitor stacks on top of first monitor after every reboot [Twister OS]

So I have this 5-inch HDMI screen that i got off of EBay, and it needs a specific screen resolution to show literally anything. Using xrandr I've managed to make it work as a second screen on my RPI4, ...
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Problem with resetting Screen Resolution using cron job

I am running a cron job with @ reboot bin/sleep 60 /path/to/script. I know the job runs 60 seconds after reboot but I get an error. The script is: #!/bin/sh -e sudo xrandr --newmode "2560x1440_60....
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Run Raspberry pi OS on e-ink display

I am able to run the test programs of waveshare to display some text and images through C and python on the e-ink diplsay 7.5 inch 800 x 480. But I want to display the OS (terminal / desktop ...
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Raspberry pi3 - Cannot show desktop

After some updates on my RPI3 running openmediavault, I cannot vnc into the system. I have tried them all by changing any resolution, enabling vnc in the raspi-confing settings and even mv .Xauthority ...
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I cannot make 7Segment 4Digit TM1637 to work

I bought 7Segment 4 Digit TM1637 And i wan to make it work with Raspberry Pi 3B However, it doesn't work I think i wired everything correctly, and i used this python lib https://pypi.org/project/...
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Change the screen size separately on two screens

I ran in some problems in the last days, and I'm hoping that some of you may help me find a proper solution. I have two screens that I use as Website Displays in Kiosk mode. One of those is a pretty ...
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touch 7" rpi display does not wake up when in console after rpi display goes blank

I am running Pihole+PADD on my Rpi with Raspberry 7 inch touch display on a continous basis. For power and screen save reason I have activated blank screen after 300 seconds through raspi-config, ...
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I accidentally closed the Raspberry Pi Setup Tool

I accidentally clicked "Cancel" in the Raspberry Pi setup tool that runs on the first boot. How do I get it back? If I can't, which settings do I have to change to make the Raspberry Pi run ...
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DISPLAY=:0.0 Could not connect to any X display

I want to run a slideshow on my Pi using the software slide. When I run the command directly on my pi via the connected mouse and keyboard it works fine. But when I try tu run it via SSH (root user) I ...
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QT Creator - Raspberry Pi - 3.5" TFT - Could not initialize egl display

Please forgive my ignorance but I'm new to Raspberry Pi/Linux. I'm trying to make a touch screen app for the Pi using a 3.5" touch screen (xpt2046) and QT Creator (5.12.5). QT Creator is running ...
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HDMI output does not fill full 800x480 TFT display

I have a Raspberry Pi running Raspberry Pi OS Lite (CLI only). The Pi is attached over HDMI, via an adapter, to a 7.0 inch 800x480 TFT display from Adafruit. When I boot up the CLI, the console only ...
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Displaying only a gif on a Raspberry Pi

So all I want to do is when I turn on the raspberry Pi, I want to have it display a gif. I have tried to do research about how to do this and haven't had any luck so far. Would someone be able to help?...
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Monitor says 'Out of Range' after booting up RPi

I just bought a new Rasberry Pi 4 (this is the first time I use RPi) and connected it to an LG 24mp59g-p monitor, as well as to a keyboard and mouse and power source. I tried to set it up according to ...
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Can I use the display shelf as an input for a second camera? [duplicate]

I would like to use two different cameras with the raspberry pi 4 and I wondered if I could use the display shelf as the secondary camera input or if I need to acquired the adpater that exists for the ...
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189 views

Pi4: Allow boot with and without HDMI

I need to boot my Pi4 to boot with AND without a HDMI cable plugged in. In order to boot without a monitor connected to the Pi, I've added hdmi_force_hotplug=1 To the config.txt. Now the Pi boots ...
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fbi freezes system and other apps

I'm trying to display an image to HDMI output with fbi. I have a 3.5-inch touchscreen and a video projector as output. fbi works fine but the problem is that fbi freezes the system while shows an ...
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white ili9341 display after short

a few days ago i connected an ili9341 diaplay (https://www.aliexpress.com/item/32961284118.html) to my raspberry pi , and after installing all the required python thinks , i runned a simple code and ...
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How to automatically switch between the official 7" DPI display and a HDMI TV on Raspberry Pi 3?

I use a RPi3 with the Recalbox OS for some retrogaming. And I want to use the official 7" DPI monitor when it's portable, and the HDMI when I connect it to the TV. I tried plugging the HDMI cable ...
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Official Raspberry Pi Touchscreen display - Touch not working on the right of the display

I recently changed from HDMI display to official PI display. Although I was using this initially with keyboard and mouse, later I see the need for using touch. What I found was the touch was not ...
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Howto setup a touchscreen as pure display?

I have a Raspberry 3B that I am using with VNC. Now I want to use the 3.5inch RPi Display as a pure output device to display graphics, not for displaying the desktop on it, just using it as a ...
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Casting from Pi400 to Pi Zero W, possible?

So I have a Pi Zero W I've been wanting to use and was wondering if I pick up a Pi400, can I cast to the Zero W after turning the Zero W into a Chromecast dongle or something along that line? I was ...
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Troubleshooting: RPi 4B & ILI9341 display

I bought a generic 2.8" TFT LCD 240x320 Serial SPI Display that uses the ILI9341 driver. I cannot seem to make it work with my RPi 4B. Does anyone have an idea as to why? Or ideas to further ...
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LineAgeOs 17 on Raspberry pi4 dont boots if display is not connected

I installed Lineage os 17 into a raspberry pi4. It works normaly and start my app in boot. but if i turn my raspberry on with no hdmi cable connected. it dont boots. how can i boot my raspberry with ...
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Can any e-ink display be used as a monitor for raspberry pi?

I want to use my raspberry pi as a normal pc / tablet substitute, just for reading purposes with calibre. But instead of connecting it to a normal LCD display, I want to connect it to an e-ink display....
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Test TFT SPI ILI9341 display via startx & con2fbmap showing console

I have a 2.4" TFT LCD 240x320 Serial SPI (ILI9341 driver) that I am unsuccessfully trying to use with Raspberry Pi 4B and the Adafruit_blinka library having executed the necessary pre-requisites (...
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Is it possible to run a SPI display off of a Pi zero?

I bought a 1.6" 130*130 display (Link, SKU: MSP1601, Driver Chip: SSD1283A) to use with me pi zero in a project (Mini handheld gaming console). I have been looking for hours how to use this ...

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