If the previous owner connected with a dongle, then the Laptop doesn't have an internal Wireless Network Adapter. Have you also plugged in a dongle (USB Wireless Network Adapter) in order to connect to your wireless network?
Alienware 17 R4 2017 review
These brilliant Lego posters show just what children's imaginations are capable of
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Comment réinitialiser votre PC, ordinateur portable ou tablette Windows ?