Hb Services — My laptop not work properly

Address:

akash residency 73 , near satyam medicos , mahaveer nagar 1 kota rajasthan

It has been 3 months since I got HP's laptop, the 1st, 2nd month was running well, but from the 3rd month my laptop will start having problems, suddenly the green color display in the laptop and then starts restarting automatically, and the laptop also heats and hangs a lot.