How to install wireless card in an old Laptop motherboard

 How to install wireless card in an old Laptop motherboard
 Below is motherboard that needs a wifi card. There are 125 pins on the motherboard in two pairs. 250 pins !

First solder the new slot in place.

Image below shows a soldered slot in place.

Now we just need a wifi card.

Ok the card is in place now this old laptop is wireless