Laptop HDMI rescan

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avanzado

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Apr 7, 2014
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I have an issue with my laptop. I have it attached to a Plasma TV through a HDMI cable. When I switch off the TV (without turn off the laptop), next time I switch on the TV, the HDMI audio output seems to be disabled. If I restart the laptop with the TV turn on, the audio is again detected.
Years ago I discover on internet a command that reset the graphic card so it detects again the HDMI.
I didn't write this command so now I have to re-install my laptop I have lose it.
Does anyone know what is this command that reset graphic card so It detects again HDMI?

I will appreciate your support.

Regards,

Avanzado
 
Solution
A
Finally I have found the link from where I obtain the solution for the HDMI detect problem, by rescanning the devices.
The link is this: https://forums.geforce.com/default/topic/547165/-workaround-nvidia-hdmi-audio-ldquo-not-plugged-in-rdquo-hotplug-detection-failure-after-sleep/
Thanks lfkfkfkffs for your help
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lfkfkfkffs

lfkfkfkffs

Admirable
Apr 2, 2014
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That would be the extend display command normally found on the F1-F12 keys, normally if you look closely at your laptop it will show something that looks like a screen and a another screen together. If you can't find this just hit the windows key + P
 
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A

avanzado

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Apr 7, 2014
3
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4,520

Thank you for your answer but unfortunately that is not the problem. I have the laptop closed, so the only display active is the TV. I am looking for a command that You run on a command prompt screen than make the graphic card reset, something similar than when you restar the computer but only for graphic card. I use to run this command (inside a bat file) when the laptop didn't catch HDMI audio output.


 
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A

avanzado

Reputable
Apr 7, 2014
3
0
4,520
Finally I have found the link from where I obtain the solution for the HDMI detect problem, by rescanning the devices.
The link is this: https://forums.geforce.com/default/topic/547165/-workaround-nvidia-hdmi-audio-ldquo-not-plugged-in-rdquo-hotplug-detection-failure-after-sleep/
Thanks lfkfkfkffs for your help
 
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