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Internet, Networking, and Wireless Discussion of networking, internet, and wireless including Apple's Airport products.

Wifi suddenly stopped working on my MacBook unibody


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Papaspyropoulos

 
Member Since: Dec 26, 2008
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Dear All,

I have had my MacBook for 6 months and it has worked just great with my WiFi network and any other WiFi I have happened to connect it to. This morning, while I was downloading some files, my internet connection died on me. At 1st I thought it was my provider and I usually fix that by restarting my Router. I did that, but nothing happened. I can detect and connect to my WiFi but I have no internet access! My wife's PC and mobile phone connect perfectly well to my WiFi and so does my iPhone!!! My MacBook now only works with ETHERNET...

Let me add that I have the 13.3" MacBook unibody running the latest Leopard 10.5.8. software upgrades. These are my MacBook characteristics:

* Model Name: MacBook
* Model Identifier: MacBook5,1
* Processor Name: Intel Core 2 Duo
* Processor Speed: 2.4 GHz
* Number Of Processors: 1
* Total Number Of Cores: 2
* L2 Cache: 3 MB
* Memory: 2 GB
* Bus Speed: 1.07 GHz

Does anybody know what is going on?!? What has happened!?!
Cheers!

Spyros Papaspyropoulos
Internet Specialist
www.x2interactive.gr | www.papaspyropoulos.com | www.webdesignblog.gr (Only in GreeK)
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cwa107

 
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Have you tried turning the encryption off on your router (just for testing purposes)? What about experimenting with connecting to a public WiFi connection?

Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!
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Papaspyropoulos

 
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I found my old Linksys Modem router and it seems to be working fine. The thing is that I need my NEW SpeedTouch because it works with my second VOIP phone. So, my options now either to use my old modem and not have a phone or to have a phone without WiFi... Whatever... I just don't get why my wife's PC and all other WiFi devices don't have this issue besides my MacBook!

Spyros Papaspyropoulos
Internet Specialist
www.x2interactive.gr | www.papaspyropoulos.com | www.webdesignblog.gr (Only in GreeK)
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cwa107

 
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Quote:
Originally Posted by Papaspyropoulos View Post
I found my old Linksys Modem router and it seems to be working fine. The thing is that I need my NEW SpeedTouch because it works with my second VOIP phone. So, my options now either to use my old modem and not have a phone or to have a phone without WiFi... Whatever... I just don't get why my wife's PC and all other WiFi devices don't have this issue besides my MacBook!
I'm not familiar with that router, but at least we know that the AirPort card is functional. Have you tried removing the connecting in System Preferences => Network => AirPort => Advanced => AirPort tab and then re-establishing the connection?

Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!
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Papaspyropoulos

 
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Quote:
Originally Posted by cwa107 View Post
I'm not familiar with that router, but at least we know that the AirPort card is functional. Have you tried removing the connecting in System Preferences => Network => AirPort => Advanced => AirPort tab and then re-establishing the connection?
No, I haven't. I will reconnect my Thomson Speedtouch 780 (The modem router with the issue) and try this. I will get back to you soon. BTW, thanks for taking the time to help .

Spyros Papaspyropoulos
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Papaspyropoulos

 
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Nope... nothing! It just wont work with my MacBook!

Spyros Papaspyropoulos
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Papaspyropoulos

 
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I just turned on my old NetBook and it also works fine with the WiFi... I am beginning to think my Modem has something personal with my Mac!

Spyros Papaspyropoulos
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www.x2interactive.gr | www.papaspyropoulos.com | www.webdesignblog.gr (Only in GreeK)
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cwa107

 
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What kind of security are you using on the modem?

Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!
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Papaspyropoulos

 
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Quote:
Originally Posted by cwa107 View Post
What kind of security are you using on the modem?
WPA. I tried it without the security and I had the same issues. I found something interesting though. I remembered that last night I installed DropBox. So I went to the DropBox Prefs and disabled the default Auto Detect Proxy and I got a bit of speed via WiFi. Nothing special, I can now connect via WiFi with 1 mbit... That is nothing compared to the Ethernet connection that reaches a speed of up to 13Mbits. So I will completely remove the DropBox app from my MacBook and see what happens then.

Spyros Papaspyropoulos
Internet Specialist
www.x2interactive.gr | www.papaspyropoulos.com | www.webdesignblog.gr (Only in GreeK)
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Papaspyropoulos

 
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Now that I removed DropBox from my system and restarted my MacBook I can once again enjoy the pleasures of a fast WiFi connection! The DropBox people should have an FAQ or something about this issue... I will not install it again now that I know that it is to blame for me wasting 5 hours of my precious Sunday!

Spyros Papaspyropoulos
Internet Specialist
www.x2interactive.gr | www.papaspyropoulos.com | www.webdesignblog.gr (Only in GreeK)
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Papaspyropoulos

 
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cwa107 thanks for all your help!

Spyros Papaspyropoulos
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cwa107

 
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Wow, learn something new every day. I'm glad you were able to get it sorted.

Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!
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dtravis7

 
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Glad you got it all sorted out. Thanks for coming back and telling us it was Dropbox in case someone else installs it and has the same issues!
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bobtomay

 
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And the second fairly long thread in 2 days with a wifi issue caused by a 3rd party app. The other was PeerGuardian for those finding this thread.

I cannot be held responsible for the things that come out of my mouth.
In the Windows world, most everything folks don't understand is called a virus.
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Tex-Twil

 
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Hi,

Quote:
Originally Posted by Papaspyropoulos View Post
I can detect and connect to my WiFi but I have no internet access
We need more information about this. When you are connected with the AirPort, could you open the Terminal and post the output of
Code:
ifconfig en1
Tex
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