Lenovo — I5 Lenovo Computer

We have purchased one I5 Computer From Maars Enterprises, Udaipur Vide Bill No 43 Dated 19.09.2020 . from the day one it is not properly working.It neither start properly nor it shut down properly. we have made a complaint in this regard to dealer and they have again and again formatted and loaded new window but still it is neither starting properly and nor shutting down.It takes approx 1 hour in stating and shutting down . At present it is not shutting down .Google Crom is not working. when we open Form it shows coding error. Kindly replace our computer otherwise we will have to go for consumer court. Serial No of Desktop is MP1RFNN4.