upgrading CPU on toshiba satellite l850 b5k

Alexander_19

Estimable
Feb 1, 2016
1
0
4,510
a friend has asked if its possible to upgrade the CPU i tried to find info on that laptop but didn't found much info . its current cpu is i5 2450m and maybe its possible to upgrade to i7 2640m but will it work and also i don't know if its bga or pga . Did anyone got experience with that laptop ?