OS X V10.7 Lion :: Internet Sharing Dropping Wifi Signal After Update To 10.7.4

May 24, 2012

Equipment: iMac 21.5" 2.5GHz Quad Core i5  

Internet Set-up: Cable modem to iMac Ethernet 

Problem: After recent update to Lion 10.7.4, my Wi-Fi signal via Internet Sharing keeps dropping. Have multiple iDevices failing that were working perfectly with 10.7.3 (Nook and iPhone 4). iPhone shows full Wi-Fi signal strength and works for a short time after reset (via Wi-Fi off/on, Internet Sharing off/on). Continues to show full Wi-Fi signal strength but loses connection after 1-2 minutes. And not just internet connection; I can't transfer pics/vids from iPhone to iMac either. Have switched to a channel no one nearby is using (channel 9) to no avail.

Info:
iMac, Mac OS X (10.7.4)

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Mar 18, 2012

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Jun 2, 2012

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Info:
MacBook Pro, Mac OS X (10.7.4)

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Jan 24, 2010

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Aug 23, 2010

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Apr 30, 2012

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When I run Network Diagnostics ISP is the test that fails, but after a couple of seconds diagnostics fixes it until the next 10 - 15 minutes. The only other alternative is turning wifi off and on. Both of these only last for the 10 - 15 minutes before it cuts out again. 

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Info:
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Feb 15, 2012

My internet keeps losing signal and will have to reset the internet on the computer, we thought it was but have changed to sky now and it still happens.

Info:
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Apr 26, 2012

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Info:
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May 21, 2012

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Info:
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Info:
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MacBook Air :: Keeps Dropping Home WiFi - No Internet Service

Apr 7, 2012

My macbook air keeps dropping my home wifi service, I get a message telling me there is no internet service.I still have a PC and it connects to internet service even when my mac cannot so it has nothing to do with the internet provider. I have to delete, reinstall my internet connection a couple of times to try and get it back up and running.

Info:
MacBook Air, Mac OS X (10.7.2)

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Aug 18, 2010

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Mar 19, 2012

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Are you sure you want to turn on Internet sharing?  

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Info:
MacBook Pro

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OS X V10.7 Lion :: WiFi Keeps Dropping Out When IPad Is OK

Apr 19, 2012

Wi-Fi keeps dropping out when IPad works OK

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Jun 24, 2012

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Info:
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Info:
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Info:
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I upgraded to Lion after its release and ever since then my wifi has been driving me crazy. The wifi disconnects, and when I click on my network I get the error that the connection timed out. I'm always forced to turn the wifi off and then back on.It happened a ton, and consistently. It's extremely frustrating especially when I'm in the middle of a movie on my Apple TV and my iMac loses its internet and interrupts the show. Sometimes it happens three or more times during one show.So I decided to do a clean install of Lion. I made sure all my important documents were on my Hard Drive and even wrote a list out of every application that I use regularly. Then I completely reformatted my hard drive and did a clean install of Lion.

Info:
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Info:
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Info:
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I'm curious if anyone else has this problem, and if so, how to fix it. First of all, I'm convinced this mac pro is a lemon, and it was supposed to get replaced on my last repair but the Apple Store decided not to. (Even after promising they would)

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