All Questions
53 questions
0
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0
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21
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Display for RPI with auto brightness? [closed]
Looking for a display that can automatically control brightness based on the light conditions ( touch controls and speakers ).
Thanks
- 101
0
votes
1
answer
58
views
How to connect this CM4 to a display and reinstall os?
I have this gridxbox which is a raspberry pi CM4. To function it only required power input via type c port and lan cable connected to lan port.
https://www.gridx.ai/edge-services
Would like repurpose ...
- 101
0
votes
0
answers
158
views
Mhs 3.5 inch display trouble - screen rotation disabled?
Two days ago I started experimenting with Raspberry PI 4B and a 3.5 inch MHS display as described here:
http://www.lcdwiki.com/MHS-3.5inch_RPi_Display
I started, of course, by installing Raspberry PI ...
- 1
0
votes
0
answers
124
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Why do I have no entries in Screen Layout in Bookworm/Pi 4
I recently moved to Pi 4 and installed Bookworm using the Imager. I then switched to X11 from Wayland and changed the resolution - both using raspi-config. I also set a static address and finally ...
- 183
0
votes
0
answers
38
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Raspbian screensaver fails with VNC on Pi4
I have activated the screensaver on Rasbian. I have the raspberry 7" touch screen. All works well manually, switches screen of after a certain amount of inactivity and comes on again when the ...
1
vote
0
answers
127
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Raspberry Pi 4b display cuts out but is still on
I recently got my hands on a Raspberry Pi 4b and am having trouble setting it up.
Whenever the pi boots up, it shows the rainbow screen followed by a black screen with a cursor that blinks 4 times ...
0
votes
0
answers
49
views
RPi 4B fails to output to monitor after boot
I'm trying to configure an RPi 4B as part of my homelab alongside other, older RPis. My usual steps would involve:
Installing an OS (usually either Debian or Ubuntu server) using the Raspberry Pi ...
- 111
0
votes
0
answers
17
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G150XG01 LCD not working
I have an AU Optronics G150XG01 LCD screen and a controller card to go with it. I am connecting it to a Raspberry Pi with an HDMI cable. I started it up and it looked very distorted. I read online ...
5
votes
3
answers
11k
views
How to get overscan working on RasPi 4?
This has been asked multiple times in multiple forums. Invariably the answer is editing /boot/config.txt. This doesn't solve the issue.
My RasPi's connected to a TV via HDMI0. The TV is one of those ...
- 151
2
votes
2
answers
178
views
Is there a way I can use the HC-SR04 (ultrasonic sonar) along with the LCD display?
I have a Raspberry Pi4 Model B, with a 3.5" LCD display attached:
Since the display occupies the first 26 pins, and therefore also the power supply ones, is there a way I could use the HC-SR04 ...
- 123
1
vote
0
answers
84
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My raspberry pi is not working after I connected an android display to the one inside raspberry pi
So what happened was I connected an android display to my display thing inside the raspberry pi(not the hdmi). but then after that my raspberry pi did not work the pins all worked. But the hdmi did ...
0
votes
0
answers
1k
views
Raspberry Pi 4b HDMI cannot output 4k at 60hz
I have a raspberry pi 4b (8GB memory) installed in an Argon ONE v2 case (which automatically expand the micro HDMI port to full HDMI port). I installed the official 64bit OS and updated all packages ...
- 101
1
vote
0
answers
238
views
Raspberry Pi 4b will not boot/reboot WITH monitor connected
I have a Raspberry Pi 4b that will NOT boot/reboot with a monitor (either HDMI or old digital computer monitor through HDMI to 9 pin connector) connected. If the monitor is disconnected the booting ...
- 11
0
votes
0
answers
78
views
VGA Output Not Working
When I Used VGA On My New Monitor It Says Something Along The Lines Of: Cant Open Display Mode, Optimum Resolution 1366 by 768 60hz. Im Using A Raspberry pi 4 Model B 4GB Ram
Heres an image:
0
votes
0
answers
28
views
display can't show the image properly using rpi 4 with retropie
I'm using an 8.9" 2k IPS lcd display connected to the raspberry pie 4 through a control board with HDMI. When I connect the display to a laptop with HDMI, the image is clear and has no problem (...
- 1
0
votes
0
answers
69
views
How could RaspberryPi HDMI Port be changed with terminal code?
When both HDMI ports connect two separate displays, I want to change the HDMI port directly from 0 to 1 or 1 to 0 with console(terminal) code. Is it possible? Thank you.
0
votes
1
answer
75
views
My Raspberry Pi 4 model B will not drive a Dell 1280 X 1024 60 Hz display
Dell E170Sc 1280 X 1024 60 Hz vga displays are available for cheap on Ebay. I accept that (besides using hardware adapters) I will have to modify a config file to get my RPi to drive the display ...
1
vote
0
answers
75
views
Trying to Connect RaspberyPi4 to my monitor
LG monitor LCD 22" max res: 1680x1050 60Hz(without overclock)
Using microHDMI to VGA
hostOS: w10 64bit guestOS: raspberypiOS 32bit
whenever adapter is connected to my monitor underscore(_) symbol ...
- 11
0
votes
0
answers
112
views
Weird artifacting results in green gibberish on some applications but everything else is fine?
I've seen the following corruption before on programs usually on Raspberry Pi, but it's doing it again and I'd at least like to know the cause. This is Ubuntu 20.04 on a Raspberry pi 4, 4GB edition. I'...
user50441
1
vote
2
answers
2k
views
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, ...
- 11
0
votes
1
answer
357
views
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 ...
- 11
2
votes
1
answer
843
views
Redshift on Raspberry Pi 4 [closed]
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. ...
- 39
0
votes
0
answers
293
views
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" ...
1
vote
3
answers
1k
views
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 ...
- 63
0
votes
0
answers
831
views
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 ...
- 111
0
votes
1
answer
531
views
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 ...
- 89
0
votes
0
answers
2k
views
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 --...
- 512
1
vote
0
answers
1k
views
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 ...
- 11
-1
votes
1
answer
6k
views
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 ...
- 1
1
vote
0
answers
25
views
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 ...
- 31
0
votes
1
answer
2k
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 ...
- 1
0
votes
0
answers
239
views
White ILI9341 display after short
A few days ago I connected an ILI9341 display to my raspberry pi. After installing all the required Python things, I ran a simple code and it just worked.
But because I have a little 5 V fan , that I ...
3
votes
1
answer
3k
views
How to set HDMI Port 1 to be used by default on Pi4?
During some experiments it looks like my HDMI port 0 broke down. I still can SSH to it.
tvservice -M <display on port 0>
Does not show any activity on port 0 when I plug the HDMI cable in and ...
- 131
2
votes
4
answers
16k
views
Connecting to a raspberry pi 4 using a docking station?
I've just purchased the Pi 4 model B and am buying the parts I need. I have a docking station I usually use for my laptop and was wondering if the Pi can be fully set up using a docking station via ...
- 123
0
votes
1
answer
149
views
Can I SSH even if I am to connect my Raspberry Pi 4B with a 3.5 inch TFT display
This is kind of a stupid newbie question but once I have my display up and running and I'll be displaying the stats of my system on it alongside stats from Pi-Hole. Will I be able to use SSh from my ...
0
votes
1
answer
127
views
Media Centre HAT Setup
I've tried setting up the Media Centre HAT from Pi Supply but cannot get the TFT screen to function at all. The touch control works out of the box (resistive) and the rotation of the touch controls ...
1
vote
1
answer
2k
views
splash screen problem (HDMI boot screen)
For my application I have to create a splash screen, So I actually created It but I still get this messages for like 0.1s before my splash screen image shows up. can someone help me to remove them, I ...
- 375
-2
votes
1
answer
2k
views
White screen after the power on [duplicate]
I'm working on raspberry pi4 and 7" display.
When I start the raspberry, but after 3 seconds of black screen, it turns white.
I have already formatted the sd but the problem persist.
Which is the ...
- 1
0
votes
0
answers
76
views
E ink hat for Raspberry Pi 4B
Is there any E ink display hat for the Raspberry Pi 4? I have been searching for a while but can't seem to find one.
- 125
0
votes
0
answers
214
views
Raspberry pi 4 not being able to output to 4k
Hey so I recently got back into doing some projects with my raspberry pi, I mostly just do stuff with networking and the such, but I wanted to try to get the raspberry pi to display to 4k TV, I'm ...
0
votes
1
answer
401
views
Blue screen over VGA monitor connected to Pi
I recently bought new raspberry pi 4 2GB and micro hdmi to vga converter. Once i try to connect pi to monitor using converter, os boots perfectly, but over whole monitor screen is light blue color ...
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1
vote
0
answers
66
views
Monitor not recognized by other devices after having connected my raspberry pi 4
I have a weird problem and I simply can't find any solution to it:
I use a Fujitsu Siemens monitor with a dvi to hdmi cable which works just fine with all my devices. However, after I connected my ...
- 11
0
votes
0
answers
85
views
4 HDMI display via USB
I want to use 4 HDMI small display modules on raspberry pi 4, but if i supply enough power to power on 4 display to raspberry pi, will display modules work well?
Those 4 display modules will act as ...
- 39
1
vote
1
answer
37
views
Get metainformation at boot-screen
I asked myself if there is a possibility to get metainformation of the raspberry Pi (like IP4 Adress, MAC Adress etc.) displayed on booting process. Maybe extended with a timeout to read the ...
- 57
2
votes
0
answers
335
views
How to connect "FPV Night Vision QVGA 320X240 Monocular" to raspberry 4?
I am working on a project which need this module to be connected with raspberry pi 4 or 3. I tried some to convert into single RCA cable (worked) but I want to convert it into HDMI. I am unable to ...
- 21
2
votes
0
answers
4k
views
Did anyone get a Miracast display working with a Pi 4?
I have tried using miraclecast, which builds without problems but won't find a Miracast screen which my Windows 10 laptop has no trouble to work with.
pi@raspberrypi:~ $ sudo service wpa_supplicant ...
- 28.2k
5
votes
4
answers
3k
views
Weird display on VGA monitor, Ubuntu Server 19.10 on Raspberry Pi 4
UPDATE: As I suspected lately, Ubuntu Server actually boots up. Nothing worked until I tried using an actual HDMI monitor instead of an HDTV or VGA monitor. I suppose the TV will work once I install a ...
- 49
1
vote
0
answers
3k
views
USB Dual Monitor DisplayLink Docking Station for Pi 4 B? I have WAVLink UG39DKx docking stations
My WavLink UG39DKx docking stations are USB 3.0, have an HDMI and DVI out, plus 2 USB 3.0 and 4 USB 2.0, plus Ethernet, plus Audio out.
Is there a reasonable way to get the docking station working? ...
- 21
1
vote
1
answer
753
views
HDMI display rotated, but not X keeps landscape aspect ratio
PI 4
I've added display_hdmi_rotate=1 to /boot/config.txt and the display rotates. I've also tried =3 with the same results described below.
During boot the Raspberry Pi Desktop welcome splash is ...
2
votes
1
answer
242
views
4 Displays with diffrent output using Raspberry Pis
Core Problem: I need 4 displays to show diffrent output (simple images)
For this kind of "Video Wall" problem, most solutions recommend one RPi for each display/monitor in a master/slave ...
- 23