The adapter’s packaging should list its compatible systems. Confirm that the adapter is compatible with your computer's operating system.The latter offers a more reliable connection and is better at avoiding interference. Single band adapters connect only to the 2.4GHz band, while dual-band adapters work on both the 2.4GHz band as well as the 5GHz band.

Determine if the device has single- or dual-band signal range.

Select a USB adapter that uses the same protocol, whether it's WEP (Wired Equivalent Privacy), WPA (WiFi Protected Access), or WPA2. You can find this by checking the network settings on a device that’s already connected to the access point or by logging into your router’s configuration dashboard. Update the drivers for your WiFi network adapter. Determine the security protocol of your current router. Sometimes one channel can be stronger than others, and by simply switching channels from your router or laptop youll increase signal strength for better connectivity to the Internet.If you use your network for Netflix streaming or online gaming, select an adapter with a high rate of data transfer-ideally, 500 Mbps or more.Even for a simple upgrade, there are a few things to keep in mind when purchasing a USB WiFi adapter:

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