My application are flickering

Briefly describe your issue below:

Whenever I’m opening chrome or firefox or folder its flickering rather than that everything looks fine. Please help me as soon as a possible.
My Computer Spec is i3 4th gen Dell Inspiron 3542.

What version of Parrot are you running? (include version, edition, and architecture)
x64 bit Security
What method did you use to install Parrot? (Debian Standard / Debian GTK / parrot-experimental)
Debian GTK
Configured to multiboot with other systems? (yes / no)
If there are any similar issues or solutions, link to them below:

If there are any error messages or relevant logs, post them below: