If you want, I can provide direct links to the Boot Camp Support Software versions commonly used for the A1278 and recommended Realtek driver packages (state whether you’re running 64‑bit Windows 10).
Getting audio to function properly on an Apple MacBook Pro A1278 running Windows 10 requires bypassing standard Windows Update protocols. By utilizing legacy Boot Camp 5.1 drivers and forcing installation through the Device Manager, you can bypass the hardware communication barriers and enjoy fully functional stereo sound on your classic machine. Apple Macbook Pro A1278 Audio Driver Windows 10
Check the box at the bottom that says . Click Apply and then click OK . Step 4: Execute and Install If you want, I can provide direct links
A FAT32-formatted USB drive (8GB or larger) is required to transfer driver files if you need to download them from a separate machine. Method 1: The Official Boot Camp Support Software Route Check the box at the bottom that says
If you need help identifying your specific model configuration, tell me: