Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

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.

761 questions
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What is the difference between CEA and DMT?

I have connected my RPi to a television using a HDMI to DVI cable, but the resolution is awful. The font is not sharp, so I need to use a lower resolution. For that, I can run a command like tvservice -e CEA\ 20. In this answer, Jivings writes that…
Lekensteyn
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How can my Raspberry PI start my TV?

My Raspberry Pi is running RaspBMC and is hooked up to my TV via a HDMI cable. I never turn off the Pi itself, but I tend to turn the TV off when I'm not using it. However, once the Pi senses any input (key-down etc), it turns my TV on. How is this…
Zar
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How to reinitialize HDMI without rebooting the RPi

I've found that my Raspberry Pi2's HDMI port only works if there's something attached to it when the RPi initially boots. If it boots with nothing attached, and I later attach a monitor, nothing shows up on the monitor. My application is headless,…
Cerin
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prevent pi from turning tv on

I have a Pi (with Raspbmc installed on it) connected to an LG TV. I disabled the CEC options in XBMC related to turning the TV on/off. However, the Pi keeps turning the TV on when rebooting. I can confirm it's the Pi and not XBMC as the TV comes on…
Mircea
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Is the Raspberry Pi compatible with HDMI 1.4 specification with Ethernet?

Wikipedia says the Raspberry Pi supports "HDMI (rev 1.3 & 1.4)" and the HDMI 1.4 specification has Ethernet. Could you have a HDMI 1.4 to Ethernet adapter? and would the transfer rate be faster than USB 2.0?
ArchHaskeller
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Commands for using cec-client

I have the cec-client and libcec working on my Raspberry Pi. I would like to use it for more than just turning on and off the television, I would like to be able to query the other devices for their system information. Then maybe control them…
GrandAdmiral
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How to turn Raspberry Pi off when HDMI is disconnected?

How can I programmatically detect if the Raspberry Pi's HDMI cable is removed? I've tried tools like xrandr, but they give the same output regardless of whether the HDMI cable is plugged in or not.
dstaley
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Replacing Raspberry PI HDMI Port

I broke a few pins in the HDMI connector on my Raspberry Pi. I plan on removing the connector and soldering on a new connector. Does anyone know the appropriate connector to purchase? It seems like the connectors may vary a bit depending on…
radengr
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How to detect if display is turned on?

I am trying to detect the display power status of a HDMI connected display with a Raspberry Pi 3. Running tvservice -s gives the same state 0x12000a for a powered-on and powered-off display. Are there solutions to this?
alex
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Screen resolution

If I start the pi withe the display unplugged and then plug it in later, the screen resolution is too low. I can only solve this by restarting the machine. Is there a way to solve this without restarting the machine ?
George Simms
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Raspberry Pi Not Working

I got a Raspberry Pi 2 and it did not work with the newest version of NOOBS (flashing LEDs). There is nothing on the TV/monitor. It just says there is no HDMI input. I tried it with an older version and the lights stopped flashing, but still the…
user38859
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What is likely problem with my HDMI display?

I have trouble getting FullHD resolution out of my HDMI monitor. First of all I have to force hotplug to get it to display anything, and then it only shows max resolution 1280x720, instead of FHD, no matter what higher mode I try to set. What could…
hyde
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How to connect Raspberry Pi to my monitor?

I wanted to connect my Pi to Dell S2240L (monitor). The monitor has HDMI port as well as DVI, but I don't know how to connect them together. And which is better HDMI or DVI? Is it possible to connect them with a HDMI to HDMI cable? Let me know the…
user2506435
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Raspberry pi HDMI Output multiple screens

I want to setup a simple movie player on all 5 tv's I have in a restaurant. Is there a way I can split the signal coming out from my raspberry ?
opc0de
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HDMI works only in safe mode

I've a Samsung LCD 32" (UE32) and I've tried to connect it via HDMI to my Raspberry Pi2 with Raspbian. Nothing works, the only configuration where I can see the monitor is with hdmi_safe=1 at the cool resolution of 592x448px. So I've tried to check…
danielemm
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