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Lenovo G40-30 Wifi
It will be easier to buy a common WiFi USB adapter and just plug it in, than to replace any built-in adapter your laptop may have. The WiFi in your laptop, if so equipped, uses a piece of hardware in order to talk to your router and modem. Buying a wireless adapter is quite easy because the only thing you have to know is the operating system that is installed on your Lenovo G40-30. Most new Wifi adapters are simply plug and play, in that you just plug it in the USB port and the OS will install the drivers on its own.
Key clues of a poorly performing wireless card
- The WiFi drops for no reason every day
- The wireless adapter on your laptop cannot see the SSID coming from your router
- The WiFi adapter driver suddenly shows as uninstalled
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