For fingerprint issues: https://www.asus.com/support/faq/1047028/
For keyboard backlit problems: https://www.asus.com/support/faq/1044851/
For restarts, maybe to try updating drivers. https://www.asus.com/laptops/for-home/vivobook/vivobook-15-m1502/helpdesk_download?model2Name=M1502NAQ
Also, click on BIOS updates and try to update BIOS. Before that, please make sure that, if you are using bitlocker, you have bitlocker key available.
If, after updates and troubleshooting, you stil have problems, maybe you should go to retail store and ask for replacement laptop. It's new.