Avoid third-party “driver updater” software and unknown download sites. They often bundle malware.
The vast majority of Géant 2500HD USB antennas use one of two MediaTek/Ralink chipsets: (Most Common - 150Mbps with external antenna) driver usb wifi geant 2500hd pour pc updated
Once you have the VID/PID, you can search for the exact updated driver. driver usb wifi geant 2500hd pour pc updated
Did you find the or chipset name (MT7601 or RT5370) in Device Manager? driver usb wifi geant 2500hd pour pc updated
To use the on a PC, you generally need drivers for the Ralink RT5370 or