My laptop keeps on restarting how can I fix it

There might be insufficient storage space on your laptop. Try deleting duplicate files to fix this problem and also scan your laptop for virus related issue.

Well this video might help you in fixing the issue:

https://www.youtube.com/watch?v=4p4ZJ26i...

Also check your laptop of space sometime insufficient space if you have the space issue in your system then I will suggest you to remove duplicate files or similar files from your system to remove the duplicate files from your system you can try the a good duplicate file removing software like duplicate file finder is a great solution to fix the duplicate files issue in your windows system.