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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Status: Expired => Invalid
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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
[Expired for mutter (Ubuntu) because there has been no activity for 60
days.]
** Changed in: mutter (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/2046798
