Serg_4032d @ 26.08.19, 17:49
whether it is necessary to change the processor on i5 2540m?
and what do you have now?
sanya 1985 you can put either the same or LTN156AT19. If you put the other, you have to sew, at least, there are nuances. A quick search issued for 5k
here and
here .