Remove the USB dongle or (for laptops) remove the bottom panel to see the Wi-Fi card's label. It will print the chip name directly (e.g., "RTL8192EU").
: Supports 802.11b/g/n standards and works on both 2.4GHz and 5GHz bands (depending on the specific model). realtek 802.11n wlan driver windows 7
Right-click on 802.11n WLAN Adapter (or a similarly named Realtek device) and select Update Driver Software . Remove the USB dongle or (for laptops) remove
Windows Update always fetches the wrong version for these chips. Here is the manual process that works 90% of the time: realtek 802.11n wlan driver windows 7