Hi guys I am using dell laptop since 2009, seven year experince of me that I am never faces any lag or any hardware problem on it, it is lifetime and value for money product.dell inspiron series is one of the trustable series of dell.My laptop also inspiron and after 7 years my laptop work fine.dell laptop always eady to be use nothing is complicated.Dell inspiron laptop made of good quality material.which can be durable for long years.dell never disappoint you.its a money valued product.dell provide 24 hours customer service and support.i found its really true.becus I m many tines using dell services regarding my dell battery.so I m happy with dell support.