If you can get into the machine then I would start by using System Restore to restore to a point before the problem arose.
If this does not cure it and it is new and under warranty I would contact the vendor and let then sort it out.
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
Comment envoyer gratuitement des gros fichiers ?