Blinking black screen

I am new to zorin. After my lap go to sleep, when I try to wake it up , the screen is blinking with black color. I have to hard restart my lap😧. My laptop is having Intel integrated graphics. My laptop: Dell vostro .....
Please help...

Intel integrated...
Could you edit grub:

sudo nano /etc/default/grub

arrow key down to the line:
and change it to
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.enable_psr=0"
in order to disable the Panel Self Refresh.

Hit ctrl+x to exit, then the y to say "yes to save and the enter key to save as current configuration.
The terminal will revert to normal. At this point, restart the computer and test.

Thank you. I will try this and give you feedback.

How can I add icon to taskbar in zorin 15.3. drag and pin from desktop is not working.

The problem is still there.
Graphic memory is
Intel® UHD Graphics with shared graphics memory

i have selected sign in without password while installing the os -does that make any problem?

It's possible, but I am not sure.
Are you also using Nvidia Graphics?

What kernel are you using?

uname -a

Laptop is having integrated und graphics of intel

5.4.072 generic #80~18.04.1

Think this question was overlooked before:
From Zorin Menu, right click on the app icon, then choose "add to favorites". That should create a shortcut in taskbar. You can't drag them there as in Windows.

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I don't know if this may be of some use: