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Every time I connect to a foreign network (secure or open), it only works sometimes. For example. I'm in London at the moment. Here I have to connect to a WPA-secured network. Sometimes my laptop can connect to the network, but it has no internet-connection.

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If i than run the tool that should check the network, sometimes it asks for the password. I write it in but osx says, it isn't correct. But it is, because I sometimes can connect with this. And it is 100% correct. Really strange.

Sometimes I can't connect to the network at all, because of timeout.

At home I can connect immediately without changing anything or putting in a static IP.

I was able to connect to this network, when I did put in the IP-address, the Gateway and the subnetmask by myself.

But after some time, the network-connection crashes and I have to change something to connect again. But I can't reproduce, what the crash causes, or why sometimes it works. Right when I'm typing this, the connection crashed again. But there is no error-message. Only there is no connection anymore. If I now connect to the network there is always the "no-internet"-symbol. And sometimes the MacBook doesn't even found the network anymore.

My current IP-configuration is/was:

192.168.1.113
255.255.255.0
192.168.1.254

I'm using a MacBook Pro with the following configuration:

15", Early 2011
OSX 10.8.4 2.2 Ghz Intel Core i7
8GB 1333Mhz DDR3 RAM
AMD Radeon HD 6750M
Bootcamp installed

What could cause this problem. I've also Bootcamp installed, and also on Windows there are the same problems. But I can connect to this network with my smartphone without any problems. (with static ip) Some days it works the whole day without any problems. But there has to be a problem with my laptop, because the WLAN always works with my smartphones.

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  • How many devices are on the network? It could be the DHCP-addresses are all in use. When you put in a static one it can work for a moment until the other device wakes up. Does your phone get a dynamic ip (if you disable the static one on the phone)?
    – Rik
    Oct 1, 2013 at 23:33
  • No they aren't because there are over 100 adresses open.
    – Christian
    Oct 2, 2013 at 11:02
  • Then the only thing I can think of is poor connection. It could be only effecting your Macbook if your phone has a stronger antenna. Either way, assigning a static ip only masks the problem because if your computer can't reach the DHCP-server it's already a sign of an underlying problem. Try diagnosing it like Spiff said.
    – Rik
    Oct 2, 2013 at 11:13

1 Answer 1

Reset to default
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Mac OS X has a hidden Wi-Fi Diagnostics feature. Hold down the option key while clicking on the Wi-Fi Menu Extra, then select "Wi-Fi Diagnostics…" from the bottom of the menu.

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1
  • I will give it a try when I'm at home
    – Christian
    Oct 2, 2013 at 11:02

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