). Sony officially ended driver downloads for legacy Windows 7 VAIO computers in July 2020, but you can still find the necessary software through alternative methods. forums.tomshardware.com Finding the Correct Drivers
Are there specific items in currently showing a yellow triangle ? Do your Fn keys (brightness/volume) currently work? Sony Vaio Pcg-31311m Drivers Windows 7
Manually install via "Have Disk" if the installer refuses. This enables Aero, hardware video decoding, and proper external monitor support through the Vaio’s VGA or HDMI port. hardware video decoding