Ktag 7020 2.25
This is frequently caused by aggressive OS power-saving features.
Look for a device with a yellow exclamation mark or under "Network Adapters."
While many brands (like TP-Link, Netgear, ASUS, or generic brands) sell AC1200 adapters, they all use third-party wireless chipsets inside. The most common chipsets for AC1200 USB adapters are manufactured by (e.g., RTL8812BU, RTL8811AU) or MediaTek (e.g., MT7612U).
When all else fails, remember that the community is an invaluable resource. Manufacturer support forums, GitHub issue trackers, and Linux distribution wikis contain decades of collective experience. Search for your specific adapter model and operating system; someone has almost certainly encountered the same problem and, with any luck, already documented a solution.
Connect your computer to the internet via an Ethernet cable or an older, functioning built-in WiFi card. Plug in the AC1200 USB adapter.
Modern versions of Windows 10 and 11 are quite good at automatically finding and installing basic drivers for common chipsets like the Realtek RTL8812AU. To try this method:
This is frequently caused by aggressive OS power-saving features.
Look for a device with a yellow exclamation mark or under "Network Adapters."
While many brands (like TP-Link, Netgear, ASUS, or generic brands) sell AC1200 adapters, they all use third-party wireless chipsets inside. The most common chipsets for AC1200 USB adapters are manufactured by (e.g., RTL8812BU, RTL8811AU) or MediaTek (e.g., MT7612U).
When all else fails, remember that the community is an invaluable resource. Manufacturer support forums, GitHub issue trackers, and Linux distribution wikis contain decades of collective experience. Search for your specific adapter model and operating system; someone has almost certainly encountered the same problem and, with any luck, already documented a solution.
Connect your computer to the internet via an Ethernet cable or an older, functioning built-in WiFi card. Plug in the AC1200 USB adapter.
Modern versions of Windows 10 and 11 are quite good at automatically finding and installing basic drivers for common chipsets like the Realtek RTL8812AU. To try this method: