getting a weird error...

Discussion in 'MacBook' started by ViPa, Dec 28, 2008.

  1. ViPa macrumors 6502a

    Dec 4, 2007
    this has been happening the last few days when i open up my macbook after closing it for the night (while leaving it powered on)..this message pops up and i cant access the internet..but after turning airport on and off for it bit, it starts to work again..please take a look at the picture..thanks

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  2. SHADO macrumors 6502a


    Aug 14, 2008
    Hmm sounds like your DHCP isn't getting renewed every time you log on to the internet.
  3. ViPa thread starter macrumors 6502a

    Dec 4, 2007
    thanks for the reply

    why would it start happening randomly? whats the solution?
  4. jonbravo77 macrumors 6502a


    Feb 20, 2008
    Phoenix, AZ
    Is this your own network or are you hoping onto someone else's network? (not saying this to be mean) Are there other computers or devices that use this network. When you close down for the night another device could have done a renew getting the same IP that you had on your machine, and when you open up it will try to connect to the same IP causing that error. You can go into System Preferences>Network>Airport and do a Renew IP that will clear out the old and give a new IP address.. And the in used by XX.XX.XX.XX.XX.XX is the MAC address of the device that is using that IP. you can try to track down what that device is.

    If this is your wireless network make sure that it is secure. some one else could be popping onto your network.
  5. ViPa thread starter macrumors 6502a

    Dec 4, 2007
    this is my own network and its not secure..i should secure it..
  6. metroid87706 macrumors regular


    Jul 2, 2008
    New Baltimore, MI
    System Preferences -> Network -> Airport -> Advanced -> TCP/IP

    What is selected in this menu?

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  7. skorpien macrumors 68020

    Jan 14, 2008
    Yeah if it's an unsecured network, it could be that somebody's hopping onto your network without your knowledge. If your lease expired while your Mac is sleeping and the router gives the new machine your old IP address, it could cause an IP conflict when your Mac wakes up? This is purely speculation so if I'm wrong somebody please correct me. I'd suggest WPA2 security for your network though.
  8. Solemony macrumors 6502


    Nov 26, 2008
    You should secure it otherwise intruder is going to take your wireless internet. Try give your network a WPA password by going to your router's setting and after that unplug your modem's power cord and re-plug it back in and everything should be back to normal. :)
  9. acron1 macrumors regular


    Dec 7, 2008
    This is very plausible and you should definitely secure your wireless network as someone can easily gain access to personal information.

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