Installing Windows 10 on a classic mid-2012 or late-2012 MacBook Pro via Boot Camp is a great way to extend the life of legendary hardware. However, many users encounter a frustrating combination of issues immediately after installation: and a laptop that runs unusually hot with loud fans.
If you are already in Legacy mode but still lack sound, you may need to manually point Windows to the correct drivers:
If you are looking for the specific driver that is currently "hot" and recommended by the community for the 2012 model, it is the .
Because the driver is incompatible, a Windows system process (often svchost.exe or Audiodg.exe ) gets stuck in an infinite loop trying to initialize the hardware. This pins your CPU usage at 25% to 50%, causing the laptop to run incredibly hot and drain the battery.