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Acer Aspire 5740 Wifi
It will be easier to buy a new wireless 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 an adapter in order to connect to your home network. Finding a WiFi adapter is easy because all you need to know is the operating system that is installed on your laptop. Most USB wireless adapters are plug-n-play, which just means that you only need to put the adapter into an available USB port and the system will install the drivers automatically.
Subtle hints the WiFi adapter will not live much longer
- The WiFi adapter driver cannot be installed
- The wireless adapter on your laptop is unable to connect to the internet
- Your WiFi signal has trouble connecting over and over again
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