Here the article applies to these models of WAVLINK USB Wi-Fi adapter: WL-WN681A1, WL-WN691A1, WL-WN681AE, WL-WN691AE, WL-WN683N2P, WL-WN688A2, WL-WN688U3/WL-WN688U3D, WL-WN690A5/WL-WN690A5D, WL-WN692A3, WL-WN693A5.
These models are base on REALTEK WLAN controller.
If you are unable to install the driver of WAVLINK USB Wi-Fi adapter correctly, here the instructions describes how to install the driver manually.
Please download and extract the driver installation package to your desktop for easy preview and search later.
1) Insert your adapter and extract the driver file you've downloaded
2) Manage>>Device Manager>> Find the USB adapter>>Upgrade the driver
3) . Click the option below
4). GO to Have Disk>>Browse>>Find the file you unzipped before.
5) . Go to RTWLANU_Driver>>Select your system>>Choose the inf file
6) . Click OK>>Next to finish the installing.