Can't see other computer on network

>-----Original Message-----
>I have a workstation running W2K Pro, connected to a
>DLink 640 Broadband Router. I also hang a laptop on the
>router.
>
>I have set up a workgroup, and can ping the machines back
>and forth, but cannot see them on the network, and to
>date cannot access file or printer sharing.
>
>Can anyone point me in the right direction?
>
>ps the laptop and the workstation both access the
>internet and email on a shared account with no problem at
>all.
>.
>verify your ip if you use ip protocol .what os you use on

your laptop ?? Do you have domain or workgroup network do
you install microsoft client session. check user in your
win2k workstation?? account is not set ??