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Ok, solved it. After installing pavucontrol sudo apt-get install pavucontrol the list of output devices showed me that my current HDMI output device was unplugged. Switching to the Configuration tab in pavucontrol allowed me to select the only digital output device that the system said was plugged in. After selecting that one, everything worked like ...


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Try this: ssh pi@(piip) Remember: Replace (piip) with your Pi's IP address. If prompted about fingerprints type y then enter 'raspberry' as the password You may now edit the file with: sudo nano /boot/config.txt


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My guess is that alsa mixer works for you too? On my system, the sounds settings are active only while pulseaudio is running. To start the daemon manually: pulseaudio -D If it gets in the way of something else you can stop it by pulseaudio -k


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The sound device on your HDMI should appear the same whether you use Proprietary (fglrx) or Open Source (Mesa) drivers. On AMD cards it is run through the ALSA drivers, and is on a separate PCI sub-device as far as software is concerned. You probably simply do not have it set as your default sound output. You should be able to do this in the appropriate ...


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I do not know about configuring .asoundrc but what I can tell you is that you should probably run: sudo apt-get update sudo apt-get install pulseaudio In order to properly install Pulseaudio.


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I had the same problem with HDMI, After installed pulse-audio, it was solutioned. Now I can watch films and hear sound on TV


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Have changed audio source in sounds settings after connecting to TV ? see below image for reference. you need to change it to HDMI/digital Stereo.


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I just passed trough the same problem today (Lenovo Thinkpad T430) after a system upgrade. I could see that selecting a lower resolution for the external monitor works for showing the extended desktop, but looked ugly, so I kept the default highest resolution on both laptop's screen and external monitor, then, I discovered that disconnecting all cables from ...


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I have these kind of problems with my TV. I have it connected thought HDMI and my monitor uses DVI. This that usually work: Install NVidia proprietary drivers turn on and off your second monitor unplug and plug the cable open the display setting and try to detect the monitors. Maybe one of them is off. Also try to mirror them. beyond your OS display ...


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My first thought would be that you are not using NVIDIA's drive rs, as Ubuntu (and Chalet) use the Nouveau open-source drivers by default. If you go here you can find out exactly what features of Nvidia cards are supported by Nouveau (your card is in the farthest column to the right, designation NV110). Your best bet, whenever facing problems of this ...


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Are your monitors connected to the graphics card? If yes, then you have to install the driver for you graphics card. Once you install it, it will detect your other monitors.


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Here's a script that a wrote up to play with the different refresh rates and find one that works with my monitor. It's a bit wonky but it worked after i entered '40' as the first parameter ie. './cv 40' and then set the resolution in the Ubuntu display settings. Change the device DEV to your device, if passing '-i' in the 2nd param cvt creates interlaced ...


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I have also Intel HD Graphics 4000 with AMD Radeon 8500 2048 MB. Everything you have to do is to go to Sound Preferences from system settings and change the device in "Play sound through" and in "Settings for HDMI / DisplayPort" change mode, Digital Stereo HDMI output or Digital Surround 5.1 HDMI Output.


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I would suggest you to download the Precision M3800 Ubuntu driver package (Ubuntu 14.04) from Dell. Which includes all the necessary drivers and patches for the M3800. You just need to download it on a 14.04 system, and follow the instructions there to get it installed. If this issue happen again with that driver, you might need to check the hardware ...


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You'll need to set the power option to do 'nothing' when the lid is closed. There is no way for your machine to be asleep but still transmit things through HDMI.


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I follow the below workaround whenever I connect laptop to a TV: Connect HDMI cable to TV and switch on the TV. Run the below command on a console (It worked without sudo) pulseaudio -k Open Sound settings, you should see "HDMI/Display Port" entry under Output tab.


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Yes, this is very well possible. Just install Ubuntu, install Popcorn Time, make sure it runs OK, then add Popcorn Time to your Startup Programs. Nothing unusual here.


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The issue was the result of a kernel bug Ubuntu's kernel version 3.19.0-18. The issue was fixed in a later update.


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the latest kernel update solved my problem for me. the HDMI devices now appear. my current version is now: uname -a Linux gnome 3.19.0-20-generic #20-Ubuntu SMP Fri May 29 10:10:47 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux


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Looks like you hit the bug https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1457369. It will be fixed in 3.19.0-20.20 which will be released the end of this week. If you can't wait, you can either downgrade your kernel or grab 3.19.0-20.20 from trusty-proposed (see https://wiki.ubuntu.com/Testing/EnableProposed)


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Since you said that a screenshot shows normal colors, it is most likely a hardware problem. I would suggest testing on multiply machines to determine if its your machine's graphic card the cable or the monitor Though, I think it's the cable, try changing it.


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See the answers on this post: HDMI sound option disappears when I install the latest updates to Ubuntu Vivid 15 Apparently it is a bug in the latest kernel. Revert to an earlier version or wait until next kernel update. edit: this should probably have been a 'comment', not an 'answer'. Sorry.



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