: Look at the bottom-right corner of the plastic frame surrounding your screen. In the BIOS : Restart your laptop and tap
If you install them out of order, FN keys and the on-screen display may not work.
Installation approach by OS
The PCG-71316L was never certified for Windows 10. However, many users have successfully upgraded. Here’s how:
: Use the Drivers and Software updates for Personal Computers page to enter your "VPC" model name.
Before reinstalling Windows on your Sony Vaio PCG-71316L, . This can save hours of searching.