n4010

I'm looking to upgrade/repair an old N4010 the current specs Pentium P6100, 6gb Ram(Upgraded from 3gb), 250gb HDD. I ordered a i7 640m for the laptop do i need to update the Bios in order for the new i7 640m to work, the current bios is A10, the updated is A13. And the reason i ask this rather...

Hey guys! I have a Dell Inspiron 14r (N4010) as and after three year of usage, my battery and charger are dead. My battery does not have any power and my charger is 'not recognized'. So I was going through the Dell online store and I found that the battery costs more than 100$ and the...