Sony discontinued driver support for Windows 7 models as of January 1, 2021. As of March 31, 2023, support for Windows 8 and 8.1 models was also discontinued. Because your laptop was originally released with Windows 7, the official drivers were taken offline, making manual recovery more difficult.
Since Sony officially ended driver support for many legacy VAIO models in July 2020, you should use these primary sources: Drivers for VAIO pcg-71911M product name VPCEH3N6E
You must install driver, then enable “Edge scroll” in Mouse Properties → Synaptics settings. drivers sony vaio pcg 71911m drivers
The PCG-71911M was originally designed for Windows 7. If you are running Windows 10, download the Windows 8 or Windows 7 (64-bit) drivers from the Sony site. Right-click the installation file, select Properties , go to the Compatibility tab, check Run this program in compatibility mode for , and choose Windows 7 or 8. Problem: Unknown Device listed in Device Manager.
The Sony VAIO PCG-71911M Go to product viewer dialog for this item. Sony discontinued driver support for Windows 7 models
Use :
For the Sony Vaio PCG-71911M, some drivers must be installed in a specific order to function properly. This is particularly true for the special function (FN) keys. Since Sony officially ended driver support for many
Typically Atheros, Broadcom, or Intel chips. This is required to see and connect to Wi-Fi networks.
Drivers for PCG-71911M - Official Sony Electronics Community