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Lenovo B490 Wifi
It is much simpler to buy a new wireless USB adapter and install it, than to replace any built-in adapter your laptop may have. Most USB wireless adapters are plug-n-play, which means you simply plug it into a USB port and the OS will handle everything from there. The WiFi in your laptop, if so equipped, uses an adapter in order to talk to your router. Buying a wireless adapter is quite easy due to the fact that all you need to know beforehand is what OS you are running on your Lenovo B490.
Key symptoms of an inadequate wireless internet adapter
- The WiFi adapter driver suddenly shows as uninstalled
- The WiFi goes in and out all the time
- The WiFi adapter on your laptop cannot see the SSID coming from your router
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