How can I connect a 4 pin fan to a 3 pin connector?

So, I've got a SONY VaioBook from 2012, my laptop fan is pretty much broken and doesn't work, I've replaced the thermal paste so I can atleast use this without instantly overheating. I've got a spare fan from a laptop but I want to fit that fan to this one and this has a 3 pin connector and the fan I want to connect is a 4 pin one! Please help cuz I don't want to spend any money cuz you know I am a teenager and I don't have any money to spend ;(
 

neeyik

Posts: 2,413   +2,946
Staff member
As long as the pins are the same, yes you can connect a four-pin fan to a three-pin socket - the extra pin is for fan control. Just make sure you connect the 12V and ground pins in the new fan's connector to the same ones in the laptop.
 
As long as the pins are the same, yes you can connect a four-pin fan to a three-pin socket - the extra pin is for fan control. Just make sure you connect the 12V and ground pins in the new fan's connector to the same ones in the laptop.
Thanks, lemme try that