Why this laptop using slow speed WIFI driver
Realtek RTL8187B Wireless 802.11b/g 54 Mbps USB 2.0 Network Adapter Driver.
And not using high speed WIFI drivers
Realtek RTL8188FTV Wireless LAN 802.11n USB 2.0 Network Adapter Driver
Toshiba laptop
Microsoft Windows version 1903 (os build 18362.418)
insyde bios v 1.30
Best regards,