HP India — software and hardware problem too much

Address:

Chandrapur, Maharashtra, 442402

Sir my laptop is 503tx serial number:cnd646cfqx case number:[protected]
I taken laptop on 10/7/2017 and 2nd day my laptop power button is not working it taking so much time to on its defictive piece i think ibm facing so much problem and some times my automatically li z disk is coming and my laptop is slow and it's not working like i5 so pls and yr engineer is not doing anything just coming and telling no problem b ut i m facing so much problem he suggest fromat 8 time only saying format laptop and he change keyboard so he taken all stickers and saying not having sticker pls check my laptop and replacment 3 month and many more prblm are
My no. [protected]