Currently Being ModeratedMay 9, 2013 7:58 AM (in response to Faery Moore)
You might do better to split this into two separate discussions 1) Internet connectivity and 2) The Buffalo problem.
I'll stick with the wifi problems.
To change the channel is an easy process which a user can do himself, but even though you don't want to annoy your landlord you might need his co-operation. Firstly you'll need to know what brand the router is and what the user name and password of the router is to be able to get into the wifi settings and change them (this has nothing to do with the landord's login credentials if he needs reassurance). For example, the login credentials for a Netgear router typically are User name: admin and Password: password, unless the owner of the router has changed them.
Armed with that information, the next step is to login to the router via a web browser. In the address bar type (typically): http://192.168.1.1 and it should take you to the router configuration page. Type the user name and password as described above and hopefully you're in. Go to the wifi section on the config pages (it should be obvious) and change the channel. Save the settings, test the Mac.
You're not the first to have problems with trying to get a reliable connection. I've compiled a few suggestions that may help to improve things, which I post on here on a regular basis when the subject crops up:
Wifi problems seem to crop up a lot on here and unfortunately there doesn't seem to be a 'one fix' solution.
However, sometimes any one of the following can help although, unfortunately, not always - in no particular order:
- Check wifi security - if it's WEP change it to WPA or WPA2 (preferably, as it's more secure)
- Change the wifi channel on the router
- Create a new Network Location: http://support.apple.com/kb/HT5289
- Reboot the router
Also take a look at this link and the links within the article for other ideas. They mainly reference Lion, but still seem to be relevant to Mountain Lion:
...and this link:
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