Finding the correct 802.11n driver can be tricky since many of these adapters are generic and don't clearly state their manufacturer. 1. Identify Your Adapter’s Chipset
: It will likely be under "Other devices" or "Network adapters" with a yellow exclamation mark.
: Right-click the device > Properties > Details tab > select Hardware Ids from the dropdown.
How to identify correct Windows driver for generic wifi dongle