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.

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Mirror display on a TV via wireless HDMI

I was wondering if anyone knew of a way to mirror my raspberry display to a TV using wireless HDMI. I searched and searched and I've found multitudes of blogs and questions about mirroring a phone ...
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1answer
2k 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 ...
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4answers
2k views

Screen doesn't turn off

Is there a way for the hdmi output to completely turn off. When I leave my pi idle the screen turns black but the screen stays on and never turns off. The monitor turns to off/idle with other ...
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46 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 ...
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1answer
22 views

Wifi disabled after reconfiguring HDMI

I am using a Raspberry Pi 3 A+ with Raspbian Stretch (updated/upgraded about a month ago), connected to a Manga Screen 2: http://wiki.thing-printer.com/index.php?title=Manga_Screen_2 I have used this ...
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4answers
8k views

Can I use usb port for display purposes?

I want to buy a new Monitor for Rpi. I don't have budget for HDMI monitors not even for powered HDMI to VGA converters. So can I use vga to usb data cable and use it with powered usb to connect ...
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1answer
92 views

Raspberry Pi 4 not turning off HDMI monitor on idle

In the past, the Raspberry Pi computers could be made to turn off the monitor (as opposed to leaving the backlight on with a blank screen) when the Pi turned the screen off on inactivity. This could ...
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1answer
201 views

Software adjustment of gamma/brightness settings in Raspbian

I am trying to find a way to control the apparent brightness of my external screen on Raspbian Stretch. In my situation, there is no need to actually control the backlight, as I only want to change ...
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1answer
644 views

raspberry pi with 4k screen @1080p resulotion

I'd like to use 4k screen with RPi. I know that RPi can't handle 4k resolution so that is why I'd like to set resolution to 1080p. Screen will be playing videos/images (both prepared at 1080p) and my ...
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1answer
44 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 ...
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1answer
73 views

Control GPIO from HDMI V sync

My Project on a Raspberry Pi 2 with Raspian stretch. I want use a GPIO pin to drive 3d shutter glasses (glasses hacked to receive 0 _3V square wave) Video playing on the HDMI port and A Pin goes on ...
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1answer
101 views

Minecraft Forge 1.12.2 fails to launch with HDMI television

So minecraft was working properly until I Tried to install forge. Here is the error message/log/crash report ---- Minecraft Crash Report ---- // Don't do that. Time: 7/13/19 10:48 PM Description: ...
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28 views

LCD VGA Display goes blank on use of usb mouse on Pi 3

I have an old VGA monitor (Xerox XM7-19w which has its prime resolution as 1440x900 (i.e. WXGA) at 60Hz. I've connected my recently purchased Pi 3 (and recently purchased sdcard with Rasbian on it) ...
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1answer
138 views

Rpi4 - double HDMI functionality

What is the rational ( or what are the advantages ) of having a double HDMI port on the Raspberri Pi 4. Since the Pi is new, I did not find any info around and still did not tested myself- but What ...
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0answers
91 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-...
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0answers
89 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 ...
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1answer
1k views

Does display_rotate still work?

I'm trying to use this runtime config.txt parameter under Raspbian Stretch and an external LED monitor on the HDMI port to no effect. It's hard to tell from posts here and elsewhere if this setting ...
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2answers
42 views

How to extend an HDMI port of raspberry Pi

I am using raspberry pi as part of a project. Raspberry pi will be placed inside my hardware.It has a closed container. Because of the placing of other components, I can't move the position of the ...
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6answers
5k 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'...
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0answers
11 views

VLC with the 10.1 inch Seeed display will cut off videos in both windows and fullscreen mode

I'm currently running VLC on the latest version of raspbian, on a Raspberry Pi 3 model B+. I have a Seeed 10.1 inch IPS display connected to it via HDMI. To get the Seeed working correctly, I ...
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4answers
3k views

RPI3B+: What are the four components below the HDMI connector called?

I am trying to get the following RPI3B+ to work. Apparently the machine is booting ok, since I can see it using nmap on my local network: # nmap 192.168.0.23 Starting Nmap 7.70 ( https://nmap.org ) ...
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1answer
174 views

Pi Zero HDMI Problem

I have problem with connecting pi zero to tft screen over hdmi. I tested hdmi cable, config file(same sd card) and tft screen with Pi 3B, I tested micro hdmi adapter(which connected to pi zero) with ...
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1answer
48 views

First time setup - no HDMI output

At first install I get no output to my monitor at all. Have tried two different monitors and two different HDMI cables. Black screen. I assume this must be a hardware error, or have I missed something?...
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1answer
38 views

Put HDMI monitor in Sleep Mode

I have a raspberry pi running Debian. I want to set up a cron script so that the screen automatically goes into sleep mode (no power) at a given time and goes out at another time. The built-in ...
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1answer
32 views

Monitor goes black when unplugging the ethernet cable

My Raspberry Pi B+ is working well except: the HDMI only seems to work if the ethernet cable is plugged in. If I remove the ethernet cable the monitor goes black. I plug the cable back in - monitor ...
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1answer
96 views

Resolution Issue

When I connect my raspberry pi to a monitor through an HDMI cable, the resolution gets lower at the boot of the desktop UI, but when I click on start menu it turns to 1920×1080. Sometimes it randomly ...
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0answers
110 views

New Pi Model 4 hangs at most boots

Greatings all Pi eaters! Got the latest Pi "Raspbian Buster full" on a 16 gig SD card but it hangs apx 50% of the time at boot right after log messages disappear. One monitor has a valid HDMI signal ...
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0answers
76 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 ...
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1answer
460 views

Show multiple HD streams at once on raspberry pi?

We have a situation where we have a large number of incoming HD video streams which we would like to monitor in a way similar to this wall of monitors each showing 16 channels. This can probably be ...
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1answer
58 views

Pi 3 Model B doesn't display anything

After setting up Jesse 09/23/16 on 8GB SD Card, the Pi booted fine and I played around with the X-Windows environment. Upon "Shutdown", and power recycle, there is no HDMI display. I do get the ...
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1answer
58 views

T2252MTS Monitor - Stops working after reboot

I have a Raspberry PI setup and want to use a T2252MTS monitor with it. When initially connecting and using the Raspberry PI Model 2B, the monitor works, I have picture. Althogh, after restarting the ...
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1answer
83 views

Bleeding over edges of Samsung TV, cant see menu bar

For some reason my Raspberry Pi 3b is bleeding off the edges of the screen, and I am unable to see my menu bar. This happened after a reboot, and wasn't happening before. I am using HDMI as my input/...
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1answer
35 views

waveshare 7" LCD H : uses & reports wrong HDMI resolution

I recently got a Waveshare 7" LCD (H) with 3B+, running Raspbian updated to buster (uname -a says Linux rpi33 4.19.42-v7+ #1219 SMP Tue May 14 21:20:58 BST 2019 armv7l GNU/Linux) I set config.txt ...
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1answer
90 views

Raspberry pi (running ubuntu 14.04) citrix problem

I have a problem running Citrix receiver on my raspberry pi 2B running Ubuntu 14.04 lxde custom spin off (it litteraly only has the core essentials of LXDE and firefox that's it oh and lightdm) It ...
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1answer
365 views

Force 1080i video at 59.94fps

I'm trying to set up a Raspberry pi to output video to an ancient TV transmitter which requires HD interlaced video at 59.94fps. The Pi HDMI output is connected to a BlackMagic micro HDMI to SDI ...
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1answer
496 views

Elecrow 7" HDMI screen reports No Signal

I'm attempting to get an Elecrow 7" HDMI LCD touchscreen (Amazon UK) to work with my Raspberry Pi 3 B+. Upon following the instructions enclosed with the screen, all I see is "No Signal". The ...
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1answer
152 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.
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1answer
206 views

Enable audio over HDMI on Raspbian Jessie with AV Receiver

I am attempting to connect a Raspberry Pi Zero W with HDMI to an AV Receiver (Pioneer VSX-820). My interest is exclusively in playing sound over the speakers connected to the receiver, although there ...
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8answers
3k views

Can RPi2 be used as an IP cam viewer?

I want to monitor my IP cam on my TV (both set to 1920 x 1080p). Since the IP cam uses ethernet and the TV has HDMI, I'm hoping my RPi2 will be a suitable interface. At this point, I'm unsure of my ...
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3answers
886 views

RPi Zero vga display problem

RPi not showing up display when connected to mini hdmi to hdmi converted and then to hdmi to vga converter. both the converters are tested, working... if its not possible then how to access rpi zero ...
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1answer
118 views

Can “normal” app change resolution/refresh on the fly

I want to write a Pi app to test the ability of American HDTVs to display 720p50, 1080i50, 1080p50, and other assorted modes, like the 59.94 & 60fps variants of 720p60 and 1080p60 via HDMI. Few/no ...
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3answers
4k views

Pi won't show anything on VGA screen

I just bought a Raspberry Pi on Adafruit website with this HDMI<->VGA cable to plug it on my second monitor. The problem is it doesn't show anything on the screen, it's totally black. So I tried on ...
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1answer
238 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 ...
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2answers
3k views

Detect HDMI and Start GUI

We build an applications that supports a server mode and a GUI mode. Now the XServer and the application should start, if a HDMI Cable is connected otherwise it should only run the server. So whats ...
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1answer
197 views

Using a Raspberry as on-boot auto media player from USB over HDMI to TV, changing files from network

There's a TV where I work, and we show products videos to the clients, so I was wondering if we could connect a Raspberry to the TV, and change the files on the USB Drive from the network, over WIFI, ...
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1answer
142 views

monitor no hdmi signal

I've installed ubuntu classic server 16.04 (Rasberry Pi 3 edition) found here https://ubuntu-pi-flavour-maker.org/download/ on Rasbperry Pi 3 b and everything is working as expected when I ssh into it....
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1answer
145 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....
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2answers
89 views

Sending from headless Raspi to HDMI screen [duplicate]

I'm working on a small project and I need my raspberry pi (model 2B, rev a01041) to send a very simple image to a little screen (probably 10x5cm). Unfortunately, I've always thought I'd never have ...
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1answer
280 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 ...
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1answer
213 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?