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Lenovo ThinkPad A21M Wifi
WiFi, or wireless internet, makes use of a wireless adapter in order to connect to your router. A lot of newer wireless adapters are simply plug and play, in that you just plug it in the USB port and the system will install the drivers automatically. Buying a USB wireless adapter is quick and painless because the only thing you have to know is the current operating system on your Lenovo laptop. 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.
Clues to watch for to know your internal WiFi will need replacing
- The WiFi goes in and out throughout the day
- The WiFi adapter driver cannot be installed
- The wireless adapter in your Lenovo laptop is unable to find a signal from your router
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