Dell Inspiron 300m - Manual (Page 79)

Setting Up a Home and Office Network 79
4 From the Data encryption drop-down menu, select WEP.
5 If the wireless network does not require a network key (for example, a password),
go to step 8.
6 Click to uncheck the check box labeled The key is provided for me automatically.
7 Enter the WEP network key, provided by your network administrator, in the Network
key field.
8 Enter the WEP network key again in the Confirm network key field.
NOTE: Your computer can take up to 1 minute to connect to the network.
9 Click OK.
Your network setup is complete.