CPU Socket Pin Replacement: Step-by-Step
A tech enthusiast in China has demonstrated his skill by replacing one of the pins located on a CPU socket. Bilibili user and motherboard repair expert, Mu Ziwen, guides us step-by-step through the intricate process, showcasing the success of his work at the end of this short video. π
Los sistemas Intel y AMD de ΓΊltima generaciΓ³n cuentan con pines de contacto en el socket. Si bien esto hace que los procesadores sean mΓ‘s resistentes, debemos tener mΓ‘s cuidado con los sockets de las placas madre. Los βpinesβ de los sockets de CPU modernos no son rΓgidos; tienen una delgada hoja de cobre doblada en su extremo, que ejerce presiΓ³n similar a un resorte para un good contact with the pad corresponding to the CPU.
Damaged motherboard pins can sometimes be carefully aligned using precision tools. However, there's a real danger of them breaking if they're flexed too many times or with too much force, due to metal fatigue. If the pin is too damaged to be replaced or breaks, most people would consider the motherboard lost. But Mu Ziwen demonstrates a complete pin replacement process using a fairly basic set of toolsβand it seems like he completed it very quickly! β±οΈ
The damaged motherboard socket is causing the system to fail to properly recognize the installed memory, with only one pin missing. What a shame! Some pins aren't essential and have duplicate functions on others, for example. The key symptom of the broken pin in this case was that one of the DIMM slots wasn't working. β οΈ
Mu Ziwen takes us through the following process:
Repairing a broken pin affecting the memory bus
- Removing the damaged pin β using hot air and tweezers
- Load the new pin β heat gun temperature set to just under 300 degrees Celsius
- Test pin adhesion β with tweezers
- Test the pin function β with a multimeter
- Power-on test β with the CPU in place
- Success β both memory channels work correctly


(Image credit: Mu Ziwen on Bilibili)

So, the tech enthusiast used only three accessible tools throughout the repair process: a heat gun, tweezers, and a multimeter. The hot air station's temperature, just under 300 degrees Celsius, was perfect for this delicate removal and replacement job. The Bilibili user warned that anyone using hot air approaching 400 degrees Celsius could melt the plastics on the motherboard socket. β οΈπ₯
At the end of the video, we can see how the Windows Task Manager process monitor confirms that two of the motherboard's DIMM slots are occupied, totaling 8GB of DDR4-2666 RAM, running in dual-channel mode. This is a pretty neat success story, but keep in mind that skilled operators can sometimes make difficult jobs look very easy. ππ»



















