Hello and welcome to PC Help Forum.
Firstly you need to make network cards are updated as in there drives and make sure they are installed properly.
Now you did not state wether the laptop would be connected via wirless to a main computer wich already has a wireless router or not?
If this is the case you need to then only open network connections on the laptop.
If the wireless network has a name and password you will need to use them.
You will have to go to main computer and set the wireless network to allow access for other users on the network.
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