Finding drivers for this legacy machine typically follows this path: The Hardware Identity
Have a specific driver issue? Check backup archives at Internet Archive’s Wayback Machine for the original Sony support page for PCG-61111W. sony vaio pcg-61111w drivers
Windows Update automatically installed a generic Microsoft driver that conflicts with the Intel/Atheros card. Fix: Finding drivers for this legacy machine typically follows
Avoid generic “driver updater” software. Most are adware. Also, never download drivers from torrent sites or unverified pop-ups. sony vaio pcg-61111w drivers