Sony Pcg31311l Drivers !!link!! May 2026

| Problem | Likely Fix | |---------|-------------| | No brightness control | Install Intel Graphics driver, then Sony Firmware Extension Parser | | No sound after Windows update | Reinstall Realtek HD Audio driver, disable "audio enhancements" | | Touchpad not working | Install Synaptics driver, enable via Fn+F1 or check BIOS | | Wi-Fi drops | Update wireless driver, disable "Allow computer to turn off this device" in Power Management | | Blue screen on sleep | Update Intel RST and graphics drivers |

(SFEP). Without it, your brightness controls and special function keys will not work. AMD Catalyst: sony pcg31311l drivers