another (strange) MAC-PC networking problem

Discussion in 'Mac Basics and Help' started by sunsnewmac, Mar 3, 2007.

  1. sunsnewmac macrumors 6502


    Mar 3, 2007
    Forgive me in advance for the long post.
    I am the proud new owner of a white MacBook (OS X 10.4 Tiger).
    We have two desktop PCs, both running Windows XP.
    The two PCs happily coexist on a wired home network, sharing a cable broadband internet connection w/ ethernet, and sharing files & printers.

    Here is the strange thing.
    My MacBook can share the broadband internet connection but cannot access the home network for file/printer sharing. Neither the PCs nor the Mac seem able to "see" each other. I can't ping the Mac from the PC or vice-versa.

    I followed the directions on the well-written post from MacRumors at:

    More info:
    I know the IP addresses, the computer names, networking names, and all the necessary info.

    Using Directory Access on the Mac I added it to the same workgroup the PCs are on.

    I have enabled Windows sharing via the Mac and have several folders openly shared already between the two PCs.

    I have tried all steps over and over, and over and over, with firewalls enabled and disabled, turning the modem and router on and off, and so on.
    It seems I have done everything I am "supposed" to do.

    *And the strange part is that the MacBook is surfing the web just fine, and the problem doesn't appear to be hardware/router-related or related to our ISP :confused: :confused: :confused:
  2. tyr2 macrumors 6502a


    May 6, 2006
    Leeds, UK
    Are you using a wireless connection for your Mac? Are you sure it's in the same network range as your PC's.

    I.e. if your netmask is then and are in different networks and can't contact each other unless you route them.
  3. sunsnewmac thread starter macrumors 6502


    Mar 3, 2007
    No--as I said, I am using a *wired* network.

    Please help!!
  4. Queso macrumors G4

    Mar 4, 2006
    Firstly, test that the IP networking is functioning correctly. In your Utilities folder on the Mac (Under Go menu in the Finder) you'll find a little app named Network Utility. Open it up and select the Ping panel.

    Now type in the network address of one of the Windows PCs, select to Send only 5 pings and hit the Ping button. After 5 pings you'll get the % packet loss. If it's 0% then the computers are talking at the IP layer so there isn't a physical problem.

    Also, which method are you using to "see" the Windows PCs from the Mac? Are you expecting them to turn up in the Finder's network panel, or are you using the Go menus Connect to Server box?
  5. sunsnewmac thread starter macrumors 6502


    Mar 3, 2007
  6. sunsnewmac thread starter macrumors 6502


    Mar 3, 2007
    0% packet loss

    I tried both ways of connecting. They do connect, the problem is they don't stay connected. the whole thing is rather erratic
  7. simie macrumors 6502a


    Aug 26, 2004
    On the PC try :-

    Search for a computer when you know the name of the computer
    If you know the name of the computer, you can search for the computer on the network:
    1. Click Start, and then click Search.
    2. Click Printers, computers, or people.
    3. Click a computer on the network.
    4. In the Computer name box, type the name or the IP address of the computer (Mac Book) that you want to find, and then click Search.

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