am connected with laptop by cable
The laptop (about 4 or 5 years old) will not connect as wireless
Both cable & wireless? No wonder it's confused!
Pull the cable & retry wireless. You may 1st need to delete the SSID's entry from the list of known previous networks in Wireless Connections.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 19 Meg WBC