Yes, transfer your files to your spare pen drive, install Zorin by clicking the 'Erase All data and install Zorin' and then you will be able to use your laptop again.
Trust me, if you transfer all your files correctly and reinstall Zorin, then your problem is totally fixed 
Oh no, you are about to delete all my files. Actually in which home we have opened is the home folder in pen drive my real home folder is about 14GB + 110.8GB backup = total 124.8 GB
Which os should I Install this time? Fedora or Zorin. (I want to use the kde plasma desktop environment after installation I know both are gnome but I have to use kde as a second environment. )
Sorry, now my free time ended. I can only talk after 9:30.
Hmm... Yes, can you transfer it to an external drive, like a SSD or HDD?
Ok. For now I recommend you to install KDE Neon.
Yes I have one 1 tab hhd. bye
Bye, when you get time, first successfully transfer all your files safely, install Zorin by that erase data option in the installer. If you are able to boot properly, then paste the screenshot of GParted here. After which I help you
Kde neon is 1.8 GB so I can download that but not now because I have already used 50 percent of data from my 2 GB data pack.
Kde neon vs Zorin vs fedora. Which is best in your opinion?
Bye for now...

You can install it tomorrow. And according to me, KDE Neon would be better as it needs a bit less specs as compared to Fedora
I only have 5 minutes of free time now.
As I think, unlike fedora,kde can be installed only in one partition.
I don't know how right I am. Am I right??
And after installing kde neon can I ask about my problems of kde in this form?
Yes sure, as KDE's forum is a bit complicated
Yes, thank you
. I can do other works by myself but I don't know how to back up so after installation please help me to back up after installation.
Is your external mouse or keyboard connected while booting up ?
Yes. I have also tried booting disconnecting all devices.
Hmm my lappy also faces this problem whenever an external keyboard is connected to it.
Thank you for trying to help meπ. I always boot by connecting all devices but I have never faced this problem before only this time I am facing this problem.
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