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If you forgot your Wi-Fi network password, you can find it if you have another Windows PC already connected to your Wi-Fi network. After you find your password, you can use it on another PC or device to connect to your Wi-Fi network.
The following are specific things you can check in Windows to help troubleshoot Wi-Fi problems. Wi-Fi driver version. Installing the latest driver for your device is usually the best policy because it has all the latest fixes for your device.
WiFi Analyzer can help you to identify Wi-Fi problems, find the best channel or the best place for your router/access-point by turning your PC/laptop, tablet or mobile device into an analyzer for your wireless network.
Sometimes wifi shows as wifi 2 and fails to connect to any network, however, after restarting several times the issue disappears. I would appreciate if you can provide us the following information to help us understand the issue better. Does “wifi 2” shows as an additional network connection or “Wifi” is converted into “wifi 2”?
Whether you're at home, work, or out and about, chances are you'll find a Wi‑Fi network that you can connect to for Internet access. Connecting to Wi‑Fi gives you another way to get online and can help you save cellular data, too.