Use a different adapter with native macOS support (e.g., based on RTL8812AU).

By following the steps above, your tiny USB adapter will deliver hours of stable, interference-resistant Wi-Fi. Whether you are resurrecting an old desktop, building a DIY router, or simply avoiding a motherboard replacement, the RTL8188FTV—with the right driver—remains a small marvel of wireless engineering.

After install, reboot or replug the adapter.