OS X V10.7 Lion :: IMAC 21" WIFI Failing After 10.7.4 Update

May 15, 2012

Before the 10.7.4 update the WIFI connection from the iMac 21.5" to the airport extreme router works fine!

Now it's failing several times a day! it looses the wifi connection and you are unable to see any wireless accesspoints or SSID's

Macbook pro, iphone & ipad + PC's still works fine! 

The only way to get the wireless up and working again is to shutdown and restart the iMac. 

In the log i can see alot, don't know if this is some clue or error occuring just after the wireless connection is dropped for unknown reasons. 

"kernel: 2329.723808: ath_chan_set: unable to reset cannel XX (XX00Mhz) flags 0x10080 hal status 17"

"kernel: 2632.354892: ASSERT: Can not reenter VAP State Machine"

"kernel: AirPort: Link Down on en1. Reason 8 (Disassociated because station leaving)." 

Turning off and on the wireless interface only shows the following in the log, and the wifi will not see any SSID's : "kernel: 71847.200440: switchVap from 1 to 1"  

Info:
iMac, Mac OS X (10.7), 2011 Model i5 - 16GB - AMD 6770M

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OS X V10.7 Lion :: Cannot Download WiFi Update V1.0 On IMac?

May 28, 2012

I just updated my (brand new) iMac to OS 10.7.4 and now I can't download the wi-fi update V1.0 which fixes the issue of not reconnecting to wi-fi network after computer wakes from sleep.

Info:
iMac (21.5-inch Mid 2011), Mac OS X (10.7.4)

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OS X V10.7 Lion :: After Security Update Macbook Pro Is Failing To Boot: Error 19?

May 10, 2012

Update 2012-002 on macbook pro. When rebooting,after 'successful' install, I now see a repeating cycle of Error = 19, unable to mount root. From my *nix perspective I fear the worst - that the boot sector (at a minimum) is hosed. I tried  (running Lion 10.7.x) booting with the command key down - no joy. do not currently have my install disk (sadly, it's in storage, somewhere). I'm concerned about this. this is VERY unusual for an update. This is a relatively new drive (750GB drive installed about 8 months ago). At no point have I seen errors, and believe me, I look. Assuming the worst case is repartitioning? (ah for hte days of 'fdisk /mbr')

Info:
MacBook Pro (17-inch Core 2 Duo), Mac OS X (10.7.4)

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OS X Mountain Lion :: Calendar Syncing Failing From IMac?

Jun 19, 2014

IMac late 2009, Os X 10.8.3. 8GB RAM. IPhone 4, iPhone 5, iPad mini. iCloud calendar only. Nothing defined On my Mac.

I sync between the mobile devices and iCloud without problems (Mostly Calendar & Notes). Over the last year I have had occasions  when my Mac Calendar failed to update with the message "The server is currently not reachable or the connection was blocked). Sometimes the problem went away and Calendar resumed normal syncing. It has been off-line now for 2 weeks.

I have deleted and recreated the icloud calendar in Calendar >Preferences>Accounts. I have unchecked Calendar in System Preferences>Mail, Contacts&Calendars>iCloud and rechecked it. I have created a Google calendar as a test and it is being imported and displayed by Calendar on my mac.

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OS X V10.7 Lion :: Can Define IMac To Use ONLY HOME WIFI Instead Of Other Unwanted WiFi Networks?

Jun 12, 2012

I am using at home an iMac connected ( with cable ) to my Home WiFi Router. All other products are using the same WIfI home network ( Without a cable ).Can I define my iMac to use ONLY MY HOME WIFI instead of other unwanted wifi networks ?

Info:
iMac, Mac OS X (10.7.3)

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OS X V10.7 Lion :: Can Use New IMac As A Wifi Hotspot For Wifi IPad 2

May 5, 2012

it is possible to generate a good wifi signal with my new imac which will allow mw to connect to the net with my wifi ipad2?

Info:
iPad 2

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OS X V10.7 Lion :: Wifi Is Always Off After 10.7.4 Update?

Jun 2, 2012

After Update 10.7.4 i have problem with WIFI. It´s always off to start it on i must reboot my computer. Why?

Info:
iMac (27-inch Mid 2011), Mac OS X (10.7.4)

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OS X V10.7 Lion :: Wifi Disabled After 10.7.4 Update

Jun 10, 2012

Wi-fi was working perfectly all they way till I ran the latest update 10.7.4.  

Now when I do a cold shut down, the wi-fi on the top right hand corner is blank. Cannot do anything to turn it back on. I always try to turn on, but fail.  

Basically, it comes down to restarting the computer and praying that the wi-fi signal comes back on. Sometimes, I have to do a cold restart and it seems I'm playing a gambling game. Maybe after 3-4 times the wi-fi signal will become normal again.  

This has been happening for about a month. Yes, I'm just getting around to complaining. I did not do time machine, so I cannot go back before this happend. Either, I do a whole another system install or there is a patch I could get.  

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OS X V10.7 Lion :: Wifi No Hardware Found After 10.7.4 Update

May 9, 2012

After I did the 10.7.4 update on my mid-2010 macbook pro core i7 this evening, my wifi adapter/internet is not working, it is grayed out and says "no wifi hardware found". I have re-booted my machine 4-5 times but that did not help.Apparently, if I boot into recovery partition via holding Cmd+R > there my wifi is working and is properly connected. Infact, I am writing this message through that receovery partition safari window connected to wifi just fine.Another weird nothing I noticed is if I boot into the Safari-only Guest User account, there also wifi is working just fine, no problem.However, in both of my user accounts, it is giving me this "no wifi hardware found" error and won't connect to internet. In fact, ethernet wasn't working as well in user accounts.

Info:
MacBook
Pro, Mac OS X (10.6.7), 8GB, 500GB, core-i7, late 2010

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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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MacBook :: Why Is Failing To Complete A Software Update

Jun 21, 2012

My computer won't upadate after multiple tries. Also, I bought Microsoft Offic for my Mac at the Apple store and it is failing to install.

Info:
MacBook, Mac OS X (10.6.8)

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OS X V10.6 Snow Leopard :: Software Installer Update 1.0 Failing?

Apr 6, 2012

I have a Mac Mini/Snow Leopard 10.6.8 10K549.  I am trying to run Software Update and it is failing to install the Software Installer Update 1.0. I have run Disk repair and Repair Permissions including booting standalone CD and downloading the update - but just keep getting "An Error has occurred".

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Mac OS X Lion Server :: Wifi Keeps Cutting Out On IMac

Feb 12, 2012

for the last few days my wi fi cuts out. If I go to the diagnostics it turns back on. It says that my network configurations have changed but then allows me to access it. But the next time I go to use it it has gone again.

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OS X V10.7 Lion :: Creating A Wifi Network From IMac?

Mar 23, 2012

I have an iMac running Lion hardwired to an internet connection and want to create a wifi network from this connection I have gone to 'create network' and set up - all seems fine. I have then tried to connect to this network with my iPhone. The phone recognises the network and it looks as though it has connected as it is ticked in the networks, but unfortunately it hasn't as my phone won't connect to the internet. 

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OS X V10.7 Lion :: IMac Will Not Stay Connected To WiFi

Apr 7, 2012

After installing Mac OS Lion my iMac will not stay connected to wifi. I've read numerous discussion strings and this problem is pervasive with OS Lion.Apple needs to address this ASAP! Is there an answer discovered in the last few days?

Info:
Lion OS, Mac OS X (10.7)

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OS X V10.7 Lion :: New IMac Will Not Stay Connected To Wifi?

Apr 7, 2012

My brand new iMac will not stay connected to wifi. When I try to open Safari it says a wifi connection does not exist. When I diagnose the problem it connects to my wifi before I even get a chance to choose a wifie network to diagnose. This happens every single time.

Info:
iMac, Mac OS X (10.7.3)

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OS X V10.7 Lion :: How To Change WiFi IP Address For IMac

Apr 18, 2012

I keep getting message saying I need to do this!??

Info:
Mac Pro, Mac OS X (10.7.2), Numbers spreadsheet formulas

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OS X V10.7 Lion :: Disconnects IMac Randomly From WiFi?

Apr 29, 2012

Randomly, my computer seems to be disconnected from my wi-fi network. It is not a routeur problem since every other devices still work when the computer doesn't.

iMac late 2009 (first 21.5" generation) OS X Lion 10.7.3

Info:
iMac (21.5-inch Late 2009), Mac OS X (10.7.3)

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OS X V10.7 Lion :: Slow NAS Access Via WiFi On IMac

May 23, 2012

I'm currently running on Mac OSX 10.7.4. Access to my NAS via wifi is very slow as compared to accessing it via Windows. I've tested with both AFP and CIFS but both are equally problematic.

Info:
iMac, Mac OS X (10.7.4)

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OS X V10.7 Lion :: Frequent Dropped WiFi Connection From IMac?

Mar 22, 2012

Since installing Lion I lose my wireless internet connection frequently - only from the IMAC, not from the IPAD or Dell. I called support and after quite a lengthy "try this" session, I was told that this was a known problem.I can always get it back but sometimes have to unplug the router.

Info:
iMac, Mac OS X (10.7.3)

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OS X V10.7 Lion :: How To Connect IMac To WiFi Instead Of An Ethernet Cord

Apr 3, 2012

i want to get an imac and put it in my room but there is no place to plug in my modem and router up there so i was wondering if there was a way to wirelessly setup my imac with the internet.

Info:
iMac

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OS X V10.7 Lion :: IMac Randomly Disconnects From Internet (WiFi Via BT Hub)

May 26, 2012

My brand new imac randomly disconnects from the internet. We have a BT hub - wifi. I have googled this issue and see that it is relatively common and it is incredibly frustrating. It is fairly simple to reconnect each time but it is driving me mad having to. It generally happens when the computer is asleep but sometimes in the middle of doing something.

Info:
iMac

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OS X V10.7 Lion :: Can Connect The IMac's ITunes Library Via Wifi To Blu-Ray Player

Apr 22, 2012

My music library is on my iMac, located in a different room of the house than my home theater system with a decent Denon receiver and good Infinity towers. I have an iPod connector to the Denon which I can use, but the iPod has a limited library of songs, so I would like to somehow access my iMac music library and be able to play it through the home theater system. Hard wiring the components is out of the question due to length of run through several rooms of the house, no basement and cathedral ceilings. I already have my iMac and my Panasonic Blu-Ray player both connected to my wi-fi, and it seems there should be a way to connect both of them using the wi-fi. The blu-ray player is DLNA, but the Mac isn't, so that is out of the question. Is there any other way to get these components to talk to each other over wi-fi?

Info:
iMac, Mac OS X (10.7.3)

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OS X V10.7 Lion :: WiFi Never Connect Automatically After Standby Mode On IMac

May 6, 2012

Every time my mac goes into standby the wifi connection needs to be manually joined, so trying to connect remotely is impossible without joining a wifi network manually.

Info:
iMac, Mac OS X (10.7.3)

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OS X V10.7 Lion :: IMAC Will Not Pick Up Wifi From Home Router / Modem

May 11, 2012

I have just purchased a new IMAC and it will not pick up Wifi from my home router/modem. I have called my provider and they think theres something wrong with the computer as even in network the splat beside the wifi is yellow not green??

Info:
iMac, Mac OS X (10.7.2)

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OS X V10.7 Lion :: IMac Never Automatically Connects To Home Wifi After Restart?

Jul 3, 2012

This problem never happens with my MBP - and it is running a CCC Clone of the same 10.7.x system. But whenever I restart my iMac 20.5" it never automatically connects at startup. I always have to touch the wifi symbol in the menu. After that I don't need to select my home network - it will then find it and connect. But until I do that it doesn't connect. This has happened ever since I've gotten this iMac. Also annoying is that the sound output upon startup always defaults to my Logitech headset regardless of how I left it set in Sound settings. 

Info:
iMac (21.5-inch Late 2009), Mac OS X (10.7.3), 12 GB RAM, also MBP late 2006 +....

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OS X Mountain Lion :: MFC-9340CDW WiFi Printer Not Found On IMac

Sep 1, 2014

I have a Brother MFC-9340CDW WIFI printer which my iMac says it can't find sometimes when I want to print.  I think I have narrowed the problem down to when my MacBook Air is on at the same time and using WIFI on the same network  If I turn off WIFI on the MacBook I can print from my IMac.  I am not sure if it is a router problem or what but we use the iMac and MacBook Air at the same time quite often.  Checked on the Brother website - nothing. 

Info:
iMac, OS X Mountain Lion (10.8.5)

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Desktops :: CRT IMac Battery - Failing Fast

Jul 13, 2010

the PRAM battery clearly is failing fast. After two assurances from a large local computer seller/repairer (Best Buy) that they could indeed go to her apartment, and after acquiring the correct battery for her, I have now found out that they won't go to her apartment because the computer is more than six years old. Dead end there! Does anyone know of a place in New York City (or an individual) that would both visit her apartment and be sufficiently conversant with the innards of such an old Mac that there would be a good chance that the battery will be replaced without harming the computer? There doesn't seem to be anything wrong with it besides the failing PRAM battery, but Barbara is willing to pay handsomely to have her baby fixed, even if it means having the person go over it with a fine-tooth comb and charging accordingly. The computer is extremely heavy, or I'd take it in to the Best Buy store myself, and though we could get it into a taxi (with help from a doorman), there is the problem of getting it into the store and downstairs, where the repair area is. I'm strong but probably, not strong enough to do it, and we don't know anyone who could help. Any thoughts? There are multitudes of repair places and individual repairers in NYC, and many who visit people's apartments, but we clearly need someone who knows very old iMacs intimately and is not afraid to approach the problem.

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IMac :: Volume Structure Still Failing After Five Repairs

Mar 21, 2009

my iMac has been running strong for about 9 months now. The only gripe i have had is that is has begun to get SLOW booting up and mundane tasks such as opening apps. iTunes takes a good minute to get up and going. I never even noticed the slowness until i got a MacBook with much worse specs that blew it away.

So I decided to run TechTool Deluxe and see what happened. My iMac did great until the Volume Structure. I repaired it a good five times. The last two times it couldn't find anything to fix and it is still failing!

I don't want to have to buy DiscWarrior (i think thats right), or reformat my drive, mainly because i haven't the foggiest on how to do that. Any options available to me besides these? And do you think the slowness is more due to a growing amount of files, or maybe even a *virus* *gasp*, or to the failing structure?

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IMac :: Internal Hard Drive In 08 Is Failing?

May 7, 2009

I just got a new WD external drive to put some media files on. I went into disk utility just to make sure the external was working fine before I started moving things over and it told me my internal hard drive in my 08 iMac is failing! Good thing I bought the external when I did,

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