Wireless lan?

I have 2 pcs connecting to each other by a lan modem both accessing to internet by using 2 cables... Now I've got a new wireless lan usb adaptor ...I want ur help if i can use this wireless lan to share computers using internet by removing the long cables on my previous lan modem.....if i can what should i do .... show more I have 2 pcs connecting to each other by a lan modem both accessing to internet by using 2 cables... Now I've got a new wireless lan usb adaptor ...I want ur help if i can use this wireless lan to share computers using internet by removing the long cables on my previous lan modem.....if i can what should i do . Thanks in advance
Update: My modem is just a lan modem can only use cables to be connected to network card
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