Recently I installed Ubuntu 20.04 on my Dektop machine. Though I am getting a display resolution 1920x1080, there seems to be some issue with the display driver. The fonts are not very clear, showing the staircase effect. 
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The command sudo lshw -c video gave the following results.
display description: VGA compatible controller
product: 8th Gen Core Processor Gaussian Mixture Model
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:127 memory:a0000000-a0ffffff memory:90000000-9fffffff ioport:4000(size=64) memory:c0000-dffff
I have tried the solution discussed here. But could not get any improvement. How can I install the proper driver so that I can get a smooth display?
Make sure scaling is disabled, and that you're using the standard fonts/theme.
Open
Tweaks(gnome-tweaks) and try and change the Hinting and Antialiasing settings...