In Ubuntu 18.04 could not use 2560 x 1440 resloution in Dell monitor through HDMI port, driver version 510.47.03

Problem description: system is ubuntu 18.04 and i can’t used 2560 x 1440 resolution in Dell 2729DS monitor , only can use 1080 resolution ,if i change to 2k resolution, it became black screen and have a Reminder “input does not support”

2.GPU driver version is 510.47.03, if i down the driver version to 460 or 510, it became normal (in Dell 2729DS monitor )

  1. only happen in HDMI port, if i use type-c port, it became normal, change monitor type also work, such as HP monitor (driver version still 510.47.03)

4.nvidia log report
nvidia-bug-report.log (1.8 MB)

  1. could anyone help?

6.3060 and 2060 laptop GPU have the same problem