Lenovo/y500 776124q
Faulty laptop

I purchased a lenovo y500 776124q laeptop in feb.

it has got a no. of problems after 5 months of usage.

i got it rectified 3 times and the concerned enggineer of lenovo center replaced the hard drive

but it got the same problem after 10 days

now it is totally faulty

i want to get it replaced as it is still under warantty period

can i have a new system?