External Monitor resolution (would like 3840x2160)
#1
Hi all,

I've been doing searching on this forum, and I haven't found many good answers.  One or two threads closed, some others not really answering.  Here's my question:

PineBook Pro -> USB C adapter -> HDMI -> LG 43Un700-B

Resolution at 1920x1080 is supported on the external LG monitor

Problem: The monitor itself frequently suggests that I switch to 3840x2160

Question: Is this theoretically possible with PBP?

Datum: When I attempt this, I get a KDE error "Outputs could not be saved due to error"

USB C to HDMI adapter:

CableCreation 5-in-1 USB C Adapter with 4K HDMI

Log file snippet:

[ 17.761] (**) Option "xkb_options" "terminate:ctrl_alt_bksp"
[ 4107.965] (--) modeset(0): HDMI max TMDS frequency 300000KHz
[ 35899.567] (II) modeset(0): Allocate new frame buffer 3840x1080 stride
[ 35899.701] (EE) event0 - HAILUCK CO.,LTD USB KEYBOARD: client bug: event processing lagging behind by 138ms, your system is too slo
w
[ 35925.629] (EE) client bug: timer event8 debounce: scheduled expiry is in the past (-14ms), your system is too slow
[ 35925.629] (EE) client bug: timer event8 debounce short: scheduled expiry is in the past (-27ms), your system is too slow
[


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External Monitor resolution (would like 3840x2160) - by Phillip Bell - 11-08-2021, 05:24 PM

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