Q: What would cause my iMac to quit finding networks
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Aug 19, 2016 7:56 PMby den.thed,Go to > Use Wireless Diagnostics to help you resolve Wi-Fi issues on your Mac and follow all the steps.
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Aug 20, 2016 5:21 AMby lyndonz,I had tried that before and I tried it again and this is what happens...
1 - I open network diagnostic and chose wifi
2 - I clicked continue
3 - the next window ask you to select a wifi network but there is no networks that come up. Not even my neighbors! at the bottom of th screen it says scanning and the spinner is spinning endlessly.
I Have tried restarting my computer and my modem/router. And I tried shutting down my computer then unplugging it and holding the power button for 10 second to do a reset and then plug it back in and start it up. Still no networks show up.
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Aug 20, 2016 9:51 AMby den.thed,Unfortunately that's starting to sound like a hardware problem that is going to require service.
see > Mac desktops Service Answer Center - Apple Support
In the mean time if possibly, try connecting your iMac to the router using an Ethernet cable.
