When doing a clean install, Sony recommends downloading these specific drivers to ensure the function keys and hardware work correctly:
| Component | Typical driver | |-----------|----------------| | Chipset | Intel Chipset driver (Sandy Bridge) | | Graphics | Intel HD Graphics 3000 + optional AMD Radeon (if dual GPU) | | Audio | Realtek HD Audio (Sony customized) | | Ethernet / WiFi | Realtek PCIe / Atheros / Intel WiFi | | Touchpad | Alps or Synaptics (Sony specific) | | Sony extras | SFEP driver, Sony Notebook Utilities, Battery Checker |
If you are reading that article because you need the files, here is the most reliable method that usually works better than generic download sites:
Sony has transitioned much of its legacy support, but you can still find official Windows 7 drivers through these portals: This is the primary Support Page for
If your PCG-81212M has a web camera, look for the “Chicony Camera Driver” (version 5.8.6.0).