IDG Answers is a community of experts who are passionate about technology. Ask a question or answer one below.
You should still be able to get the Mac to connect to the PC using Go>Connect to Server. To get it so that you can use the finder bar may take a little more effort. First of all, go to the Windows PC and find what it has listed as the name of its workgroup. There is a good chance that this is simply “WORKGROUP” but go into Computer>Properties (I think, I’m using a Chromebook so I can’t double check) and see what it says to be certain.
After you have the workgroup’s name, go to the Mac, open the system preferences and click on “Network.” Next, click the connection (either Wifi or Ethernet), then Advanced, then WINS. There should be a control panel that has an entry for “workgroup.” Check to see if the name of the PC’s workgroup is in the drop-down list. Select it if it is, type it in if it is not. Click on OK and Apply, and the PC should now be in the Sidebar.