HP India — hanging of computer

Address:

Panipat, Haryana

i have purchased the laptop Product name:HP Pavilion 15 Notebook PC Product number:J6L90PA#ACJ Serial number:5CD4312BW0 BIOS (Configuration):F.12-08/18/[protected]F[protected]) Keyboard revision:77.26 Total memory:8.00 GB Processor name:Intel(R) Core(TM) i7-4510U CPU @ 2.00GHz is hanging from lst few weeks, , , its cursor become slow down and the screen flashes and it becomes normal after the flash.i have purchsed it 2 months ago and it is happening from last few weeks. please take actions against this complaint a soon as possible. i will be thankful to you.