Low resolution monitor

[Anouk]

The NVIDIA drivers are installed on Kubuntu 20.10 but I have a low screen resolution and I cannot set a higher screen resolution. Why does the screen resolution remain low and how can I set a higher screen resolution?

anouk@anouk-System-Product-Name:~$ ubuntu-drivers devices
== /sys/devices/pci0000:00/0000:00:01.1/0000:02:00.0 ==
modalias : pci:v000010DEd00001F06sv00001043sd0000879Fbc03sc00 i00
vendor : NVIDIA Corporation
model : TU106 [GeForce RTX 2060 SUPER]
manual_install: True
driver : nvidia-driver-450-server - distro non-free
driver : nvidia-driver-450 - distro non-free
driver : nvidia-driver-440-server - distro non-free
driver : nvidia-driver-455 - distro non-free recommended
driver : xserver-xorg-video-nouveau - distro free builtin

[Snowhog]

Without having told us what your PC is (Desktop w/monitor or Laptop), we can't help much. So, is this a laptop with a resolution less than you know the display is capable of, or a desktop with a monitor? If the latter, what make/model and size of the monitor? If the former, what brand/model of laptop and its screen size?

[Anouk]

I have a PC. The monitor is HP 2159m
The size of monitor is 20 inch X 12 inch

[Fred47]

HP says recommended resolution is 1920 x 1080 @ 60Hz

[claydoh]

manual_install: True

How did you install the Nvidia driver, and which version?

The above normally indicates that drivers were installed manually, and not using official Ubuntu packages.
Manually downloading the driver directly from Nvidia is not the recommended install method, even Nvidia prefers users stick to distro native driver stuff