The HDMI port on that laptop is only 1.4b so probably cannot support the
monitor. Yes please do use USB-C for external monitors if you can.
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Hi.
Sorry for delayed response.
Finally I figured out the issue reason.
The subject laptop (Lenovo G15 V3 IAP(82tt)) has i7-1255U.
For some weird reason HDMI output cannot render @ 3440x1440, but goes
well with 4K.
I've attached laptop's USB-C output to monitor's DP input using
USB-C->DP cable
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** Changed in: mutter (Ubuntu)
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That's odd because 3440x1440 actually has lower bandwidth requirements
(fewer pixels) than 3840x2160. Still, to go above 60Hz you will need
both your HDMI cable and your graphics card to be capable of HDMI 2.1,
not just 2.0.
Please tell us the model of graphics card you are using. If you're just
apport information
** Tags added: apport-collected mantic wayland-session
** Description changed:
My second monitor attached to HDMI of my Lenovo V15 is DELL S3422DWG and has
aspect 21:9 with resolution 3440x1440, with supported resfresh at 100Hz.
I could not set native resolution on my
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