if you had previously given your windows 98 computers names or if you are using windows 98, you may need to verify that each computer has a unique name and common workgroup name.
a. on your desktop, right-click the icon "network places" and select "properties" from the context menu.

b. click the "identification" tab on the top of the dialog box.

c. type a unique, identifying name for this particular computer in the "computer name:" box. this will be the name that other computers on your network will use to communicate with this computer. each computer’s name must be unique on a particular network or confusion will result. (the computer’s name should be 15 or fewer characters with no spaces.)
d. type the workgroup name this computer will be a part of in the "workgroup:" box. all of the computers on your network should have an identical workgroup name.
e. the "computer description:" box is optional. you may enter a description that will help you identify this computer on your network.
then click "close."
f. repeat this process for each computer on your netwo rk to ensure that they all have a unique "computer name" and identical "workgroup."