Many WiFi connection problems can be solved by following the troubleshooting tips here.
Is it your internet service or your WiFi?
First, determine if the problem is with your internet service or with your wireless signal.
Signs of a slow WiFi connection include:
Streaming video keeps buffering
Pages won't load with WiFi connected
Low signal strength showing across all devices
If you're not sure whether it's the internet or the WiFi, you can check the speed to the modem. Sign in your modem's settings to check the connection status, or run a speed test, ideally with only one device connected to the modem by Ethernet.
Two common causes of being unable to connect are having the incorrect network or the wrong password. Try these steps:
Check to make sure you're using the right password or connecting to the right network. If you haven't customized your WiFi network at all, these will be the ones printed on your modem label. Note that these credentials are different from the admin username and password.
If you get the error on just one or two devices, it may be caused by the device not being compatible with the modem's security type, like WPA. Try updating your device drivers. You can do this by searching for updates on the device, or search online for driver updates for your specific device or operating system.
Do you get a connection error after your device goes to sleep?
If you have problem with your WiFi connection after your device has gone into "hibernate" mode, it could be the power settings. Power saver settings increase battery life by reducing or turning off power to devices like wireless adapters or receivers.
Try changing your power setting to Always On or High Performance.
Still not getting the WiFi strength you want?
If you've done everything you can and aren't getting stable WiFi performance throughout your home, adding a WiFi extender may help you increase your coverage.
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