ibm g40 using a max1631 chip found a short mosfet but replaced it with the mosfet and also put max1634 now i have stdy 3.3v ok and 5v ok but the max1634 get hot and the laptop does not come on.is the max1631 and max1634 same as the orignal one was max1631.

_________________
repairs of laptops and selling of components

As i see only one difference between max1634 and max1631 - 1634 nave not over/undervoltage protection.