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Ted Penner
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Extend the screen of a Windows Surface Book to a large TV screen

We are trying to extend the screen of a Windows Surface Book to a large TV screen and can't get the settings exactly right so that none of the icons are cut off on the TV screen.  


We are going from HDMI through this USB-C adapter https://www.amazon.com/gp/product/B07THJGZ9Z/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 to the USB-C port on the Windows Surface Book.


I looked up aspect ratios for TV screens and came up 16:9 for the aspect ratio of most newer HD TVs. 


The best resolution for us corresponding to that aspect ratio seems to be 1280x720, but we are still cut off. 


I have since found out that the TV is an AQUOS with an unknown (presumably model) number found in the menu of 211U1412121. It looks more like a serial number to me but the menu did not specify the model or serial so I suppose I can be hopeful. The screen size is still unknown.


What am I missing?  


How can I resolve this?

Windows OSMicrosoft OfficeMiscellaneousDisplays / Monitors

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Ted Penner

8/22/2022 - Mon
Jazz Marie Kaur

What TV model is it? You may be able to cast to the TV as needed instead if it supports that capability.
Ted Penner

ASKER
I don't know. I tried to find the model but it is in the back of the TV and impossible to reach. It's an enormous TV.

Casting won't work. Other people bring in their laptops and I want people to be able to simply grab the cable and hook up.


Jazz Marie Kaur

Sorry, it was unclear if there was an error. Consider testing casting still or seeing what happens?

Also, try this shortcut often has come in handy for me in general:
When you hit Windows Key + P > connect to a display text does that error or find the TV name?

Possibly even from Edge try the three dots [...]  > More tools > Cast media does that fail?
I know one time someone connected to even a projector not necessarily a TV but their display settings kept shifting in Windows too, or sometimes I would have to switch back toggling through each display option to "reset things" e.g. Extend, Duplicate from Windows Key + P. Sometimes employees zoom or screen mode would hiccup, so we would have to power cycle their station, turn it off and back, basic troubleshooting first.

I also ensure that the video or graphics driver is updated for the system in use, no pending updates nor from the manufacturer if other stations connect to the TV fine not cut off.

We had adapters on hand always for the Surfaces at a past workplace for our TV's. Is that the only workstation assigned to the room or do other people bring their laptops to use the TV or are trying to?  We had this Digitalinx-DL-AR-Universal-Complete-Adapters - Amazon at a past workplace which helped support different workstations across the organization or we would allow the checkout of adapters at times too for visitor stations.

Have you been able to test another station to the TV to rule out it is not an issue with the Surface Book? We had these Dell branded USB-C Adapters and Apple-branded ones, I know that brand has a good rating but it may be worth trying another model adapter or brand, some generic brands do not perform the same way or have inconsistencies. Unsure on the TV model, but always good to double-check all connection\display-related settings on the TV itself and comb through them.
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William Peck
nobus

you can test with another TV if it worhs - then apply that to this TV
arnold

lets try this, you plug in the HDMI cable from the tv into the USB-C to HDMI adapter.

you then right click on the desktop and go to display settings.
you here detect the presence of the second monitor?
select the new monitor, should be 2
scroll down if you can not see the option to extend the desktop
Set the resolution to 1920x1080 this is commonly the HD over hdmi resolution.
hit apply and you should be good.

is your normal view on the laptop includes scaling?
That could make it appear distorted.
rindi

To me it looks like your problem is that your TV has a very low resolution compared to the M$ Surface. But this may depend also on the Surface's Model, as they probably come with different Resolutions. But one I've looked up has a resolution of 3000x2000, which obviously is a lot higher than what your TV seems to support.

First you should really look at what exactly that TV supports. If it is a Full HD TV, it should be 1920x1080.

You should probably be able to find at least some of it's Details using the TV's built in Setup & Menu System. You can also often calibrate TV's for different inputs using that Menu system. That way you might be able to get a somewhat usable display. But if your TV is just HD (1280x720) & not Full HD there is a huge difference of resolution between the 2 & it will really be hard to find a usable output. It should be a little better if you can use at least Full HD (1920x1080).

Besides that, with a low Resolution like 1280x720, what you can show on the TV is very limited, as there just isn't a lot of room, even if the TV is "enormous" as you say...
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Ted Penner

ASKER
I have since found out that the TV is a SHARP AQUOS with an unknown (presumably model) number found in the menu of 211U1412121. It looks more like a serial number to me but the menu did not specify the word model or serial so I suppose I can be hopeful. The screen size is still unknown.
arnold

If the above did not work.
Is the tv in use? If it is, you can switch to a channel, hit info to see what it reports in the form of the channel info 1080i,1080p, 720p, etc.
And based on that you can try different resolutions.

You could start at 1024x768
And then raising it to get to the highest functional resolution or to a point that suits your needs.
The sharp aquos is a decent ...
rindi

It does look as if that TV only has a resolution of 1366x768, which is very low compared to your Notebook. You'll have to be content with a low Quality output if you don't get another, more modern TV...

https://www.cnet.com/products/element-elsw3917bf-39-class-38-5-viewable-led-tv/
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Ted Penner

ASKER
I was able to spend some time back in this office today and found that the link in the last message from Rindi didn't work.

Based on some resolution suggestions from others, I decided to go back through some of them and just do some trial and error to see if I could figure out how to make it work.

I learned that 1280 x 800 pulls the sides in too much, but at least everything on the bottom of the screen is visible, and probably the top also.

According to this article, this resolution 1280 width x 800 height has an aspect ratio of 16:10.

Since 1280 x 800 seems to be the only resolution that gets everything along the bottom of the screen and probably the top also, it's good "enough", but ideally, I would still like it to go all the way to the edges for the few meetings that we will have in-person.

I have heard that there are ways, perhaps third-party tools to fine-tune it further when this kind of thing happens but I still am not sure where to get it or what to do to get it right where I want it.
Jazz Marie Kaur

You may want to reach out to Sharp or the manufacturer's product support as well to see if they are aware of a way to fine-tune it or correct it further or raise a support case if possible.
arnold

Ted, the limitation you are encountering is the TV's limitation.

You could try going through the advanced adapter settings to see if it has 13yyx800
As an available option.
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Ted Penner

ASKER
Jazz,
Thank you for that suggestion to go through the manufacturer for support. Do you have a link where I can open a traceable ticket or ask a traceable question without having to talk to them?

Arnold,
That sounds reasonable on the surface except that I am fine with a lower quality image. It is the size of the image that I want to adjust regardless of what it does to the quality. I have confirmed already that the screen is capable of showing "an image" all the way across horizontally and vertically.
arnold

Understood, though you want the display from the computer to span the entire physical display.

The resolution is the means by which.

Look at lower 11yyx800to fill the entire screen..
1355x800

You might use the TV's full/wide options though they will distort/stretch the image.

Since you are presenting sonething, if it reading material, distortion/stretching ..
Ted Penner

ASKER
It looks like it will go to a 1600 x 1200 setting which is 4:3. This is the highest resolution I can get but the screen is in from the sides.  I can't even seem to determine what model this SHARP AQUOS TV is because it's affixed to the wall very tightly. If I go into the menu under "identification", it says 211U1412121. This article shows that the aspect ratio can be changed https://www.techwalla.com/articles/troubleshooting-samsung-tv-problems but I followed those instructions and did not see any aspect ratio choices as my menu is different.
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arnold

Support, about tv, it should provide info of its model
Ted Penner

ASKER
There is no option in the menu for "support" or "about TV" but I do have a remote control ordered that might help me navigate through the on-screen manual. I've come back to this several times with limited time on each pass. I'm sure we will get it figured out eventually and I will then have a guide to follow for similar situations.


Jazz Marie Kaur

There must be an online manual perhaps for that model somewhere. I don't think it's the one I've uploaded below could be. but should be on their manufacturer site. I would do a find for size, screen size, or the picture menu as a keyword or scroll through to see if it helps. Sharp support should know further than what I know as I haven't worked with that specific model before. It covers other areas of working with that brand which may help and drawings, specs etc. that could be similar to what you see before you:

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rindi

Figure out how to remove the TV from the wall. Somehow it had to be mounted to the wall, it should also be possible to remove it. For example you may just have to lift it a little so that the screws or whatever they are get unhooked. Usually things like that are held in place by gravity. Just get someone else to help so it doesn't fall...
Ted Penner

ASKER
Ok, so I got the remote in and it works. I got it connected to the network and updated the firmware to version 214U1503301 and gained the ability to navigate through the on-screen manual which has a specifications section with eight model groups. We are able to determine first that we have a Sharp Aquos 80" class TV and looking through the models in those groups for ones that could potentially be for an 80" class, we have LC80UQ17U within the first group, LC80LE650U within the fifth group, and LC80LE642U within the seventh group and all of those seem to be consistent with a resolution of 1,920 x 1,080. However, when I set the computer to that setting, everything is off the edge of the screen and the scaling percentage cannot go below 100%.
Ted Penner

ASKER
In summary, and given what we have learned so far, the best we can do currently in terms of getting everything on the screen is a resolution of 1,600 x 1,200 and we would ideally like to change that.

That said, we appear to be closer to solving this because we now think that a resolution of 1,920 x 1,080 could potentially be what is needed, but we would need to scale down 'below' 100% regardless of quality loss in order to achieve getting everything on the screen. Unfortunately, the built-in settings in Windows 10 don't seem to allow us to scale to anything smaller than 100%.
 
According to this aspect ratio calculator https://aspectratiocalculator.com/ 
1,600 x 1,200 = 4:3
1,920 x 1,080 = 16:9

Is there a third-party way to reduce the scaling 'below' the 100% allowed by Windows 10?

From what I am seeing here https://www.comtech-networking.com/blog/item/4-what-is-the-screen-resolution-or-the-aspect-ratio-what-do-720p-1080i-1080p-mean/, the available resolutions for 16:9 aspect ratio include:

3840×2160 (unavailable)
2560×1440 (unavailable)
1920x1080 (recommended by windows 10, but too large if not scaled down under 100%)
1600×900 (seems like the most logical one to try next)
1366×768
1280×720
1152×648
1024×576

I thought I had tried all of these or they didn't exist, but it looks to me like it has to be one of these, so I will try them starting with 1600x900 at the first opportunity.


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Ted Penner

ASKER
Summary:

Sharp Aquos 80" class TV (LC80UQ17U or LC80LE650U or LC80LE642U) .

Each model calls for a max resolution of 1,920 x 1,080 which translates to a 16:9 aspect ratio.

The choices for a 16:9 aspect ratio include:

3840×2160 (unavailable)
2560×1440 (unavailable)
1920x1080 (recommended by windows 10, but is too large)
1600×900 (works well, is equidistant vertically and horizontally, but the makes the screen smaller than we would like)
1366×768
1280×720
1152×648
1024×576

arnold

Can you confirm the picture setting on the TV that it is not what extends view.
Ted Penner

ASKER
Ok, several things are playing into this.
The Sharp Aquos 80" TV is capable of displaying at 1920x1080 and others that fit the aspect ratio of 16:9. However, the HDMI port is limited to  1600x1200. The display button on the remote shows this information and the View Mode button on the remote allows us to switch between Normal, Zoom, and Stretch. I don't really want to stretch so I am going to first try going all the way back up to 1920x1080 and work my way down using only resolutions for 16:9 and see what I can do with those settings.

Now, when using 1920x1080, I get different options under view mode which is really interesting. My new choices are Stretch, Dot by Dot, S.Stretch, and Zoom. Dot by Dot seems to fix it while maintaining the aspect ratio.

So the final solution does appear to be to use the TV and Windows recommended resolution of 1920x1080 which has a 16:9 aspect ratio. Then, using the remote control, set the View Mode to Dot by Dot.
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arnold

HDMI commonly feeds 1080P (1920x1080)
if you use anything other than normal, it will distort the view
ASKER CERTIFIED SOLUTION
Ted Penner

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