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This can be a hardware problem, so if you have a dedicated graphics card with the driver installed, make sure the display is connected to it. Also make sure that there isn't an issue with the Display (try connect it to another computer and see the results or try another HDMI cable).


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If you install an app called "pavucontrol", you can look at which applications are playing audio, and which device they are sending audio to on a per-application basis. Because (as far as I know) firefox does not have any way to select an audio output device, if you change the output device for an application it will retain that information.... my guess is ...


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I know you do not with to install the drivers, but here it is given that the device (Radeon X1200) is fully supported. Try installing the driver... If you get the drivers, HDMI Audio can be manually set with the following cmd: echo "options radeon audio=1" | sudo tee /etc/modprobe.d/radeon.conf There could be a work around if the device was present in ...


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You don't need to configure your monitor's resolution with xrandr actually. You need to modify your xorg.conf file (which contains X Window configurations) to include the horizontal sync and vertical refresh rates that match with your monitor. First of all, google your monitor name and find a site that lists its horizontal sync and vertical refresh rates; ...


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Official answer on a dell forum. Says "A maximum resolution of 2048 x 1152 through the U2515H HDMI in means that the signal it is getting from the video card is not HDMI 1.4. It is HDMI 1.3. Which is why you are getting 2048 x 1152." You might want to check the spec on your GPU, to see what version of HDMI it supports.


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Well, this worked for me and it is really easy : Open PulseAudio Volume Control (open a terminal and type pavucontrol). Install it if you don't have it. When you open it, go to "Configuration" : For one of the "built in audios" one has HDMI (unplugged) in front of "Profile". Choose "Off" for that profile.


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If you want to record HDCP protected content, there is hardware available that can strip this before you input into your capture card. For instance there is a SCART to HDMI converter that also has an HDMI input that passes through without HDCP.


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my computer restarted and everything is working fine now. I have no idea what keeps happening but it is working now. thank you for helping me out. if I find out what is happening then I will let you know in case other people have the same problems.


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It seems, there is something wrong with your system as xrandr fails to detect the adequate screen resolution. You didn't specify the target resolution you wanted, I assume this is 1920x1080. You can try to force it by following these instructions : 1/ use gtf to create a new mode line gtf 1920 1080 59.9 if you want another resolution gtf res_X res_Y ...


-1

try forcing the output resolution with xrandr. If it doesnt work reboot passing "nomodeset" param to the kernel.


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Do you notice how the output of lspci -H1 contains a line that isn't there in lspci: 01:00.1 Audio device: NVIDIA Corporation GF108 High Definition Audio Controller (rev a1) That's your hdmi audio chip. What is going wrong is that Linux hasn't detected the card properly and thus didn't load the driver. The good news is that the chip is powered and thus we ...


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I had the same problem. When I changed sound output device to HDMI, I did it in PulseAudio Volume Control. This made the sound in Chrome disappear. To fix it: Open PulseAudio Volume Control (open a terminal and type pavucontrol) Go to the Configuration tab and identify the drop-down list that contains HDMI outputs. Set that profile to Off. Select profile ...


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Solved this by installing Gnome. apt-get install gnome Kubuntu 15.04 comes with Plasma desktop which was failing just after logging in. As stated above, the error simply said "Plasma has stopped". Trying to use the debug option yielded no useful information.


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Yes sorry i forgot to say that i already unchecked that funktion. But its keeps asking me any way. When I closey lid the tv flikers like it turns off but turns back on very quickly. But it takes me to the password screen and sense I closed the lid I cant use the keybord.


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Simple. right click on speaker icon(top right, next to clock or power icon) click 'sound settings' on 'Output' tab, select 'HDMI/Display port'


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You have to disable the Lock feature in the Brightness and Lock tool, otherwise it's default to lock your system when you close the lid (turn the screen off).


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If you can rebuild U-Boot, you can specify the boot arguments you want in the U-Boot source code via the CONFIG_EXTRA_ENV_SETTINGS definition. Find where CONFIG_EXTRA_ENV_SETTINGS is defined for your build (e.g. include/configs/yourboard.h) and modify the bootargs line as needed. I think your board's header file might be mx6qarm2.h (based on my checkout of ...



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