All Questions
119 questions
2
votes
1
answer
2k
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 ...
- 31
1
vote
2
answers
529
views
How to debug video via ssh
I have a Pi 2 model B and only access to an HDMI display, however I have not gotten any video output despite:
Having successfully booted RetroPie, pidora, NOOBS, and raspbian
Having tried every ...
- 111
1
vote
1
answer
764
views
What happens when I have the official 7" display and connect a monitor via HDMI?
I own the official 7" touch display for the Raspberry Pi. I also own a HDMI monitor and I wonder what happens when both are connected to the Pi.
I am using Raspbian Jessie and the Pi 2B, if that ...
- 2,467
1
vote
2
answers
2k
views
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 ), ...
- 21
1
vote
1
answer
421
views
Pi 2 won't boot without touchscreen connected
Timeline of events:
Installed a stable version of Raspbian, all systems work no real testing with the GPIO but HDMI and SSH work.
Tested various GPIO pins for running fans and several pieces of ...
- 63
1
vote
1
answer
8k
views
Testing CEC on Raspbian
Just installed Raspbian on a 3 B connected to a TV that supposedly supports CEC (LG 47LD450), but struggling to find any info on how to test CEC on Raspbian.
I want to confirm that it works, or ...
- 172
1
vote
1
answer
9k
views
Rotate on an HDMI
I have been trying to simply rotate the screen on my Raspberry Pi so it looks like portrait mode. I can't seem to figure out the problem. I go to
sudo nano /boot/config.txt
And then I added both ...
- 113
1
vote
1
answer
831
views
remote desktop control of raspbian "hdmi" desktop
I have a raspberry pi connected to a television screen, via HDMI, and a wired network.
I want to connect to, see and remotely control the raspberry pi HDMI desktop from my remote PC.
Is this ...
- 39
1
vote
3
answers
5k
views
Pi 3 does not boot
I just got my Raspberry Pi 3, put the content of the NOOBS folder onto the sd card and connected it to my TV via HDMI, but do not get any output.
One LED stays red at all times.
I read that this ...
- 111
1
vote
1
answer
3k
views
How to set the CEC name?
On a new Raspbian installation, the CEC name sent to the display is "raspberry" regardless of what the hostname is set to.
How do I change the CEC name "raspberry" to something else?
- 11
1
vote
1
answer
484
views
No display on Benq GW2255 model for Raspberry Pi Model B+
No display are coming, while booting raspberry model b+ with Benq GW2255 (Only have this monitor).
I had successfully tested PI with PuTTY/SSH. I had made various config changes, that I found on the ...
- 111
1
vote
3
answers
355
views
Accessing the command line on the Raspberry Pi outside
When I'm working with my Raspberry Pi, I usually connect it to a screen using the HDMI cable. If I only need to modify one or two lines, I also use ssh.
When I'm running my Raspberry Pi outside of ...
- 223
1
vote
1
answer
861
views
No HDMI output after shutting down RPI
Flash Raspbian on 32GB SD card.
Everything works fine when first start.
After I shutdown it using sudo shutdown -h now and take off usb power..
Suddenly, HDMI output broken down, no output on LCD at ...
- 19
1
vote
1
answer
241
views
cec controlling other cec enabled device (not TV) - controlling Fire TV from pi
I have a pi connected to the TV and can successfully power on, power off, and change sources on tv with:
echo "on 0" | cec-client -s
#turn off
echo "standby 0" | cec-client -s
#...
- 21
1
vote
1
answer
833
views
Video playback on Raspberry Pi 3
I have a raspberry pi 3 connected to one of my TV's HDMI inputs. I've installed VLC, but videos won't play. The image will hang and the audio will continue to play in the background. Regardless of ...
- 31
1
vote
1
answer
4k
views
Raspberry Pi 4 Installed screen drivers but disabled my hdmi
I bought a touchscreen and installed the drivers for it, but now my hdmi doesn't work. I am currently running Raspbian on Raspberry Pi 4 model B.And I have a 3.5 inch tft screen.I do not no what ...
- 21
1
vote
1
answer
1k
views
Omxplayer video flashes to black screen when connected to projector
I'm using Tim Schwartz's Raspberry Pi Video Looper to turn my Pi 3 Model B into a simple video player. It works flawlessly connected to my Samsung HDTV over HDMI as well as my older Apple Cinema ...
- 21
1
vote
2
answers
3k
views
No HDMI out displaying after boot up screen
I normally use VNC to connect to my Pi so I have not used the HDMI out in the past couple of weeks. When I first set up my Pi I did it using the same display and HDMI cable I am trying to use now (and ...
- 11
1
vote
1
answer
2k
views
Stream HD movies using chromium lags every 4 seconds
I am new to the raspberry family and would like to stream Hd quality movies from the internet.
Raspberry pi 3
I have the default rasbian operating system installed on my raspberry.
I also purchased ...
- 136
1
vote
1
answer
2k
views
Can Macbook Pro (Late 2016, USB-C) screen be used as monitor for Raspberry Pi over USB-C with HDMI adapter?
I have a MacBook Pro 15" (Late 2016, Touch Bar and USB-C ports), and I want to sometimes use the screen as a monitor for my Raspberry Pi. I know that old MacBooks couldn't do this because the HDMI ...
- 11
1
vote
1
answer
323
views
Pi Zero not booting without USB
It seems as though my pi zero does not boot or send image through HDMI until I attach the USB hub. Why is this and can this be fixed?
- 33
1
vote
1
answer
571
views
My Display Won't Work
I have a 5" Touchscreen display from SainSmart, and I can't use the full screen, or even the touch screen. I have done everything that I could find to fix it. I have adjusted the overscan settings, ...
- 15
1
vote
1
answer
418
views
Unable to get audio through hdmi on my raspberry pi zero
I have already changed the gpu to run at 128, and have changed the hdmi_drive=1,2,3,4, and 5. I am unable to get audio from the test.h264 sample. I am trying to run video through omxplayer but nothing ...
- 11
1
vote
1
answer
770
views
Monitor resolution is not properly adjusted
I am not sure what I should change and how in config.txt file in the MicroSD card in order to be able to see all the icons in the Raspbian. Any thoughts on this?
Here's what I see and here's what I ...
- 499
1
vote
1
answer
312
views
HDMI to VGA converter
I am connected raspberry pi 2 model b HDMI to VGA converter cable to my Desktop VGA card.But in monitor first 10 seconds it will displays the process and then screen will some red scratches coming ...
1
vote
2
answers
506
views
Forcing HDMI Audio Breaks Resolution?
I have a little problem with trying to force audio via an HDMI TV/Monitor, heres what I can get the Pi to do.
Without forcing HDMI Mode using hdmi_drive=2 the monitor works fine with the correct ...
- 411
1
vote
1
answer
906
views
Boots correctly but says "No HDMI signal" after finishing kernel boot logs
I have a Raspberry Pi 4 Model B (8GB), I have flashed the latest version of Raspbian into a USB flash drive and I boot it from there. I've had no problems so far. Today I restarted it after about 2-3 ...
- 119
1
vote
0
answers
3k
views
How to make application window sizes fit within smaller screen dimensions on Raspbian
This is my first question so forgive my inconsistencies in Stack Exchange writing convention.
I am using a Raspberry Pi 4 Model B connected to a 5" (800*480px) HDMI touchscreen.
[Here is the ...
user140363
1
vote
1
answer
3k
views
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 ...
- 11
1
vote
0
answers
794
views
Raspberry Pi 4 drops hdmi connection for a second at boot tv reconnects, drops signal again after playing any type of video
I've been having a terrible experience with my raspberry pi 4 4G, with regards to a strange problem that's occurring. I am currently running NOOBS with raspbian/libreelec, and everytime after entering ...
- 11
1
vote
0
answers
146
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 ...
- 11
1
vote
0
answers
1k
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 touch ...
- 177
1
vote
0
answers
74
views
No Desktop or Wrong Desktop depending on HDMI Connection
When using my Pi on a regular TV or computer monitor via HDMI, everything performs as expected. When I connected it to a Cisco Spark board via HDMI, I anticipated no change. However after the initial ...
- 111
1
vote
0
answers
180
views
Can I enable a HDMI auto detect to substitute a GPIO screen
Ok so I am running raspbian jessie pixel on a pi 3 b and I have installed adafruits 3.5' piTFT and it uses the GPIO pins and I would like to know if I can cause it to auto detect HDMI on boot and oly ...
1
vote
0
answers
652
views
New Raspberry Pi B+ not compatible with Noobs 1.4
I've got an SD card I clone every time I buy new RPi B+ and I use it as a base system with all of the software I need pre-installed and configured. It's built on Noobs 1.4.x.
The problem occurred ...
- 125
1
vote
0
answers
38
views
Raspberry Pi 2 no longer connects to screen
I am the proud owner of a Raspberry Pi 2. I have had it for a while now with no major hiccoughs however today I noticed it no longer connected to my 10yr old TV, via HDMI. I have tested it on another ...
1
vote
0
answers
373
views
Eleduino 1024x600 IPS HDMI Capacitive touchscreen shows only line patterns?
I just purchased an Eleduino 1024x600 IPS HDMI Capacitive touchscreen, assembled it, powered it with external USB (a Pi2's USB was unable to keep it on), and tried the following using a Redmere HDMI ...
1
vote
0
answers
196
views
How to make an external monitor working while lcd display is connected? [duplicate]
I have a touchscreen lcd display connected to Raspberry PI 2. Everything works fine: os is booting etc.
If I connect an external monitor via hdmi, I get some output on the monitor and some output ...
- 713
1
vote
0
answers
855
views
Audio auto setting not working in Raspbian while playing through headphones
I have a sound problem with my Pi running Raspbian. I am using a HD monitor connected to my pi via a HDMI cable (it doesn't have internal speakers).
When the sound setting is on Auto my sound via ...
- 125
1
vote
1
answer
1k
views
RP3 doesn't load on HDMI - Mounting FUSE Control File System
I'd like to run my RP 3 on LCD 32". But when I try to run, loading is stopped after 9-10 seconds of starting up and the last line in the console is:
"Mounting FUSE Control File System..."
After this ...
- 131
0
votes
1
answer
293
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 ...
- 43
0
votes
1
answer
3k
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 ...
- 43
0
votes
2
answers
285
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 ...
0
votes
1
answer
399
views
Turn on display after reboot
I have a monitor connect to a Raspberry Pi via HDMI. When I turn on the Raspberry Pi with the monitor off, and then turn the monitor on, I don't get any output. The HDMI only comes on if the monitor ...
- 101
0
votes
1
answer
2k
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 ...
- 1
0
votes
1
answer
67
views
Run app / service when screen turns on?
I was wondering if it would be possible to detect when an HDMI screen is turned on, and then launch, say, Kodi?
Lets say I want to use the Pi as a server and don't need Kodi to run its UI game loop ...
- 172
0
votes
1
answer
3k
views
Reduce power consumption script
I have read on this blog that you can reduce power consumption:
https://www.jeffgeerling.com/blogs/jeff-geerling/raspberry-pi-zero-conserve-energy
By disabling the HDMI port.
He says that I should ...
0
votes
1
answer
1k
views
How to get HDMI sound with RPi2 Raspbian (Debian-Jessie)
I'm in the USA and I've tried connecting my Raspberry Pi 2 to an HDMI monitor with internal speakers, and also to an HDMI equipped big screen TV, But the HDMI Sound will not work. I verified TV's ...
- 177
0
votes
1
answer
390
views
Display works for a few seconds, but then tells me there is no signal
my new Raspberry Pi has been acting up a bit lately. The first time I plugged it in, I had all of the neccisary parts, as well as a 8 GB SD card that had been formatted and filled with the "NOOBS" ...
- 1
0
votes
0
answers
18
views
Raspberry Pi 4 doesn't show anything on screen a short while after installing the OS
I installed the 64-bit Raspberry Pi OS onto a Raspberry Pi 4B model very recently. Everything worked fine, I installed vscode in it and updated the libraries. However, after shutting it down once, I ...
- 11