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Apple Computing Products:
macOS - Operating System
Unusual OSX 10.9.2 connectivity issue
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<blockquote data-quote="MacInWin" data-source="post: 1578128"><p>Working from that one sentence, try this (assuming you have 10.9.2 as the OS):</p><p></p><p>Open System Preferences/Network</p><p></p><p>On the left will be a list of interfaces, one of which should be green (the WiFi, most likely). Click on that to highlight it. Then Click on Advanced button on the right and then on TCP/IP tab. Make sure that under "Configure IPv4" it says "Using DHCP." I don't know if that will solve the problem, but most of the symptoms you are showing come from having one or more devices with fixed IP numbers in an otherwise Dynamic IP network.</p><p></p><p>EDIT: If your iMac is using DHCP, then you should check all the other devices in your network to see if any of them are using fixed IP numbers. If there are such, and if you need to keep them fixed for any reason, you can either go into your router setup and define the acceptable range for the router to protect those numbers or stab around to find a fixed IP for the iMac that is NOT the same as the others. Most home networks use 192.168.1.X, where the X is in the range of 1 to 255.</p></blockquote><p></p>
[QUOTE="MacInWin, post: 1578128"] Working from that one sentence, try this (assuming you have 10.9.2 as the OS): Open System Preferences/Network On the left will be a list of interfaces, one of which should be green (the WiFi, most likely). Click on that to highlight it. Then Click on Advanced button on the right and then on TCP/IP tab. Make sure that under "Configure IPv4" it says "Using DHCP." I don't know if that will solve the problem, but most of the symptoms you are showing come from having one or more devices with fixed IP numbers in an otherwise Dynamic IP network. EDIT: If your iMac is using DHCP, then you should check all the other devices in your network to see if any of them are using fixed IP numbers. If there are such, and if you need to keep them fixed for any reason, you can either go into your router setup and define the acceptable range for the router to protect those numbers or stab around to find a fixed IP for the iMac that is NOT the same as the others. Most home networks use 192.168.1.X, where the X is in the range of 1 to 255. [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Unusual OSX 10.9.2 connectivity issue
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