Q: Macbook air will not work on wifi

I'm overseas with work for 3months and I'm staying in a serviced apartment with wi-fi provided for the building.

My Macbook Air will not work on the wi-fi. On Chrome I get the following message 'ERR_CONNECTION_REFUSED' , Firefox is 'Server not found' and Safari just doesn't load. It sometimes eventually loads but does not download the website properly.

My iPhone and work laptop (a lenovo) work fine on the wi-fi and my mac works fine when I hotspot off my phone.

I don't have access to the modem to reset it or anything.

Does anyone know how to fix this? I've spent hours reading through forums trying to fix it but nothing will work!

Thanks

MacBook Air, OS X El Capitan (10.11.2)

Posted on Feb 3, 2016 12:55 PM

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Q: Macbook air will not work on wifi

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by Pmintz25,

Pmintz25 Feb 3, 2016 1:15 PM in response to isobelc
Level 4 (1,634 points)

Feb 3, 2016 1:15 PM in response to isobelc

Macs have a really hard time connecting to wireless networks with a WEP password, as WEP is not very secure or supported. Perhaps that is the issue?
There isn't anything you can do if the network has WEP security.

You can try running Wireless Diagnostics. Search for it in Spotlight
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by Linc Davis,

Linc Davis Feb 3, 2016 3:33 PM in response to isobelc
Level 10 (207,963 points)

Applications

Feb 3, 2016 3:33 PM in response to isobelc

Non-responsive DNS server or invalid DNS configuration can cause long delay before webpages load - Apple Support
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by isobelc,

isobelc Feb 4, 2016 12:27 PM in response to Pmintz25
Level 1 (0 points)

Feb 4, 2016 12:27 PM in response to Pmintz25

Hi
Just ran diagnostics and it said there is no WEP password. It did say the DNS was unresponsive but I've tried the above link before with no luck!
Thanks for your help though
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by Linc Davis,

Linc Davis Feb 4, 2016 12:37 PM in response to isobelc
Level 10 (207,963 points)

Applications

Feb 4, 2016 12:37 PM in response to isobelc

Please start up in Recovery mode. In the OS X Utilities screen, select Get Help Online. A clean copy of Safari will launch. No plugins, such as Flash, will be available. While in Recovery, you'll have no access to your saved bookmarks or passwords, so make a note of those before you begin, if they're needed for the test.
Test. After testing, restart as usual and post the results.
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Q: Macbook air will not work on wifi

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by Pmintz25,

by Linc Davis,

by isobelc,

by Linc Davis,

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