On our Windows PC, we had to click Options > Advanced Options in Wireless Network Watcher, check «Use
the following network adapter,» and choose our physical Wi - Fi adapter before performing a scan.
All players (except for some very early models) also have Ethernet / LAN ports for wired connection to a home
network and the internet (most players also have built - in WiFi), and Blu - ray Disc players usually have either one or two USB ports that can be used to load firmware updates, and / or provide for one or more of the
following: BD - Live memory expansion (which provides access to additional online - based content that is associated with specific Blu - ray Disc titles), access to digital media files stored on flash drives, or provide for the connection of a USB WiFi
adapter for players that do not have WiFi built - in already.