#define private public - Claus Brod on stuff (11 Jan 2015)

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---+++ [[DefinePrivatePublic20150111ExternalMonitorVersusWifi][External monitor versus wifi]] (11 Jan 2015)

<summary>
Whenever I connect an external monitor to my !MacBook Pro via a Thunderbolt/DVI adapter, the Mac
loses its wifi connection. Huh?
</summary>

My setup: A !MacBook Pro 2013 model with Retina display, a Thunderbolt/DVI adapter hooked up to an
external old Dell monitor. The Mac has a stable wifi connection - until I plug in the DVI adapter.

This problem annoyed me for quite some time, up to the point I did not even use the external monitor
anymore. Today, it happened to me again, and I decided to finally try and tackle the issue.

I found [[https://discussions.apple.com/thread/4155096?start=30&tstart=0][this discussion]]
titled "My wifi drops when I plug in an external monitor through the thunderbolt port". In this discussion,
a workaround is suggested - which is changing the wifi channel!

<div style="float:right;"><img src="%ATTACHURLPATH%/wirelessdiagnostics.png" width="400"></div>

And indeed, this helped! Before, my router was using channel 4. I reconfigured the router
to select an appropriate channel automatically, and now it is on channel 1, as confirmed by the
[[http://www.maketecheasier.com/find-best-wifi-channel/][Wireless Diagnostics tool]].

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r1.1 - 11 Jan 2015 - 16:41 - ClausBrod to top

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