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Using TV as pc Monitor to watch videos

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Using TV as pc Monitor to watch videos

Postby mikehende » Wed Jan 16, 2019 8:43 pm

Hey guys, so another little tricky option. I have had a Sharp TV:

https://www.searspartsdirect.com/partsd ... rts-manual

lying around here for a few years since the TV itself was having problems but now thinking of using it as pc monitor to watch videos. When I play the music videos the TV audio is playing only on the TV, I wish to mute it and have only audio from the pc's headphone out.

These are the connections, any ideas please?

https://i.postimg.cc/SsTgL33D/Screen-Sh ... -20-PM.png
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Re: Using TV as pc Monitor to watch videos

Postby Eddy Deegan » Wed Jan 16, 2019 9:02 pm

Are you saying that you want to use the PC to play videos over HDMI to the TV and have the audio of the video only present on the PC and not on the TV speakers?

I'm assuming you're connecting to the TV using HDMI, which supplies both video and audio to the TV (and also adds a new audio output to the PC).

What OS are you running on the PC?

If it's Windows 10, if you go to the bottom right corner of the task bar and click the little speaker icon, you should get a pop-up allowing you to change the audio output from the TV HDMI output to any other destination of your choice.

If it's not Windows 10, the same may work but if not then you should be able to do the same thing from the audio controls in the control panel, (though you may have to have the TV connected first).
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Re: Using TV as pc Monitor to watch videos

Postby mikehende » Wed Jan 16, 2019 9:08 pm

Eddy Deegan wrote:Are you saying that you want to use the PC to play videos over HDMI to the TV and have the audio of the video only present on the PC and not on the TV speakers?

I'm assuming you're connecting to the TV using HDMI, which supplies both video and audio to the TV (and also adds a new audio output to the PC).

What OS are you running on the PC?

If it's Windows 10, if you go to the bottom right corner of the task bar and click the little speaker icon, you should get a pop-up allowing you to change the audio output from the TV HDMI output to any other destination of your choice.

If it's not Windows 10, the same may work but if not then you should be able to do the same thing from the audio controls in the control panel, (though you may have to have the TV connected first).

Yes to all of the above, thanks, will try that tomorrow morning and get back to you. The TV has a VGA input for which I have a 50' cable but no video is showing via that input from my win7 desktop and don't know why. Which means I will need to get a 50' HDMI.
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Re: Using TV as pc Monitor to watch videos

Postby Sam Spoons » Wed Jan 16, 2019 9:25 pm

Or you could just turn the volume on the TV to 'mute'?
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Re: Using TV as pc Monitor to watch videos

Postby Eddy Deegan » Wed Jan 16, 2019 9:41 pm

Sam Spoons wrote:Or you could just turn the volume on the TV to 'mute'?

I suspect that will result in no audio at all. HDMI adds a new ephemoral output-only sound interface to Windows and all PC audio gets sent to it.

Muting the TV then has the same effect as muting your default interface on th PC as the TV audio circuitry is now where all sound is sent.

As the interface is ephemoral you need to plug the HDMI cable in first, then select a different output for the audio as I described above. Should work fine!
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Re: Using TV as pc Monitor to watch videos

Postby Sam Spoons » Wed Jan 16, 2019 10:17 pm

:thumbup:
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Re: Using TV as pc Monitor to watch videos

Postby wireman » Thu Jan 17, 2019 12:24 am

mikehende wrote:Yes to all of the above, thanks, will try that tomorrow morning and get back to you. The TV has a VGA input for which I have a 50' cable but no video is showing via that input from my win7 desktop and don't know why. Which means I will need to get a 50' HDMI.

Perhaps you need to set the resolution to 1366 x 768 (quoted in that manual) for the external display.
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Re: Using TV as pc Monitor to watch videos

Postby Sam Spoons » Thu Jan 17, 2019 1:16 am

Or you could put the TV and computer closer together? :D Sorry, being slightly facetious but 50' HDMI cables probably cost as much as a second TV (or PC....)
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Re: Using TV as pc Monitor to watch videos

Postby mikehende » Thu Jan 17, 2019 2:18 pm

Eddy Deegan wrote:If it's Windows 10, if you go to the bottom right corner of the task bar and click the little speaker icon, you should get a pop-up allowing you to change the audio output from the TV HDMI output to any other destination of your choice.

YES, exactly as you've stated, that problem is solved, thanks!

Now to figure out why the VGA is not working.
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Re: Using TV as pc Monitor to watch videos

Postby mikehende » Thu Jan 17, 2019 3:59 pm

I need to get the vga working guys as my win7 pc only has vga connector so I am thinking of trying a vga-hdmi adapter like this:

https://www.ebay.com/itm/VGA-to-HDMI-Ou ... :rk:8:pf:0

that should be the correct connector right? Before ordering wondering if the TV vga connector might have any specific requirements for this?
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Re: Using TV as pc Monitor to watch videos

Postby mikehende » Thu Jan 17, 2019 9:38 pm

Sorry don;t mean to bump these posts guys but not seeing an "edit" button?

I just looked at the manual's section on using with a PC:

https://i.postimg.cc/mgmGMF7M/Screen-Sh ... -21-PM.png

I am confused about it mentioning an "RGB" cable since computers use a VGA cable to connect to a monitor?

Also, I am not understanding what it means by "converting to external output", does that mean that I might be on the right track converting the VGA to HDMI, is that what this might be referring to please? I was simply thinking that since the HDMI input is working on the TV then it might work to convert the VGA connector on the PC to hdmi.
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Re: Using TV as pc Monitor to watch videos

Postby Sam Spoons » Thu Jan 17, 2019 9:51 pm

Not my area of expertise but I do know that HDMI is a digital format and converting from an analogue format (VGA/RGB) is not just a matter of making a suitable cable. However a quick google throws up numerous convertor boxes which will convert most forms of video to most other kinds of video. I don't have personal experience of these though so can't
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Re: Using TV as pc Monitor to watch videos

Postby wireman » Thu Jan 17, 2019 9:59 pm

For reasons best known to them they have decided to call it an RGB cable when most people would just say VGA. Note that the cable carries analog signals for Red, Green and Blue.

Did you select the input on the TV as explained on that page?

Did the computer say it could not connect to the external display when you tried it?

Did you extend, duplicate your screen or try to only use the external one?

Note that for older TVs not designed to be monitors the image quality might not be that great.
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Re: Using TV as pc Monitor to watch videos

Postby mikehende » Thu Jan 17, 2019 10:09 pm

wireman wrote:Did you select the input on the TV as explained on that page?

Yes.

Did the computer say it could not connect to the external display when you tried it?

No, there is only one VGA connector on the PC so I ran the VGA cable directly from that to the vga input on the TV.

Did you extend, duplicate your screen or try to only use the external one?

No.

Note that for older TVs not designed to be monitors the image quality might not be that great.

Agreed, this TV is about 10 years old I think. If this is too much trouble I will simply junk it and buy a PC monitor to watch the videos.
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Re: Using TV as pc Monitor to watch videos

Postby wireman » Thu Jan 17, 2019 10:21 pm

Sorry, I was thinking you had two connections for some reason with this talk of HDMI + VGA.
The problem with the adaptor is that it might not work for whatever reason the direct connection does not work.

If you can borrow or have a laptop with a VGA connector that might be worth trying because then you might learn more about where the problem is.

Alternatively if you could borrow a monitor/TV to try that is another option.

I used to have a small Sharp TV that was not a bad monitor for the price.
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