Extended Display problems! Spin 11

CP311 1H C1FS Date 2019 8/05
I bought 3 of these Spin 11
I used the USB C to HDMI converter to attach to my tv.

My small tv in the other room works fine with the chromebook, I tested this with 2 units with 2 converters in all directions and they work just fine, No problems.

When I attempt to connect to my larger 55 inch TCL tv it does not work, All i get is a blank screen or fuzzy lines when changing the resolution.
I tried a brand now hdmi cable. Also my chromebook 3 works just fine with the larger and smaller tv.

I have no clue why this is not working on the larger tv, yet works fine on the smaller tv.

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JackE

Try setting internal display resolution to 1280 x 720 Jack E/NJ

kameljoe21

JackE said:

Try setting internal display resolution to 1280 x 720 Jack E/NJ

I tried all the settings and still got nothing.

Other than that I have no clue as to why it does not work!

JackE

What is Chromebook3 internally set at? Jack E/NJ

kameljoe21

JackE said:

What is Chromebook3 internally set at? Jack E/NJ

Extended display on chromebook 3 is 1920 1080 60h

The internal display is set at 100% 1366 768

JackE

That may be the difference. The CP311-1H doesn't support 1080p. Do you know if the TCL will auto-accept 720p input? Jack E/NJ

kameljoe21

JackE said:

That may be the difference. The CP311-1H doesn't support 1080p. Do you know if the TCL will auto-accept 720p input? Jack E/NJ

The tv is a 54.6" TCL 55S401

I tried a bunch of settings and turned hdmi 1.4 manual and 2.0 manual.

I get a few settings that show fuzzy video, Nothing is clear. Unsure as to what other settings I can change.

Maybe the tv model will help you!

JackE

What happens if you set the Chromebook3 from 1080p to 720p? Jack E/NJ

kameljoe21

JackE said:

What happens if you set the Chromebook3 from 1080p to 720p? Jack E/NJ

I have never changed the settings for the chromebook 3
So I would not know what resolution i would need to set it at?

JackE

>>>Extended display on chromebook 3 is 1920 1080 60h>>>

What I meant was what happens to the TLC external display when you change the Chromebook 3 to 1280x720 instead of 1920x1080? Jack E/NJ

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