Dell inspiron series is best for laptop lovers.specially dell inspiron 3558 notebook. easy to use specially some one touch button and also very easy and simple biaos setting.everyone can modify and set bios.its battery performance also in very good and giving more better performance other laptop.its battery backup is good and giving nearly 3 hours.camera performance is also good.sound is in normal not stereo.this laptop have very light weight so you can carry this very easy.its charging time is just one hour.this laptop is not costly as compare other laptop.after all all people know dell is leader in computing technologies.so don’t forget buy this best performer laptop.