Your shiny driver won't help if the router is misconfigured.
Right-click the adapter → → Details tab → Property dropdown: Hardware Ids . You’ll see something like: PCI\VEN_10EC&DEV_8176&SUBSYS_817610EC 802.11 n wlan wifi driver for windows 7
The 802.11n WLAN WiFi driver for Windows 7 provides several features that enhance wireless communication. Some of the key features include: Your shiny driver won't help if the router is misconfigured
the device, select Properties , go to the Details tab, and choose Hardware Ids from the dropdown. go to the Details tab
After 2015, many new drivers require SHA-2 code signing. Windows 7 RTM (no updates) may reject them.
If you see a yellow exclamation mark, the driver is missing or corrupted.