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Issue 734712 link

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Issue metadata

Status: WontFix
Owner: ----
Closed: Sep 2017
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 3
Type: Bug



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Chromebooks w/1366x768 displays will not mirror to 1280x800 projectors

Reported by h...@urbandaleschools.com, Jun 19 2017

Issue description

Chrome Version       : 57.0.2987.123 (Official Build) (32-bit)
URLs (if applicable) :
Other browsers tested: (NA - Chromebook)

What steps will reproduce the problem?
(1) Plug Lenovo N23 Yoga Chromebook (w/1366x768 internal display) into NEC M322W Projector (with native 1280x800 resolution)

What is the expected result?
The two should amicably negotiate a mutually acceptable resolution and display content.

What happens instead?
The projector says "No Input"


Please provide any additional information below. Attach a screenshot if
possible.

The Chromebook should match its internal display to the resolution of the external display, scaling as appropriate.
 
Fixed in Chrome 59 - New, out-of-box Chromebook came w/v57, which produced the bug.  Updated Chromebook to v59, and the device is now negotiating properly with the projector.
...Though I will say that it's not matching the projector's resolution exactly; it's letterboxing (so there's wasted screen real estate on the projector's side).  Not the world's best solution, but at least it's doing something.
Labels: OS-Chrome
Cc: rjahagir@chromium.org helenzhang@chromium.org ka...@chromium.org pgangishetty@chromium.org sontis@chromium.org
Components: OS>Kernel>Display
Labels: M-59
Status: WontFix (was: Unconfirmed)
If the display part is working, let's close this. Letterboxing is a choice that the projector makes, we actually use the whole surface we are given...

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