MacBook Air :: Random Loss Of WiFi Settings During Sleep

Apr 4, 2012

There is a problem of a periodic signal loss. The reason for this is the password reset network settings in the airport. It happens randomly during sleep. The system log says only connect and disconnect from the network. What may be the reason?

Info:
MacBook Air, Mac OS X (10.7.3)

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MacBook Pro :: Battery Loss During Sleep

Dec 26, 2010

how much battery loss are i7 users seeing during sleep? anyone have comparisons stand by time for i7, i5, c2d mbp and mba?

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MacBook Pro :: No Sleep Mode At Low Battery - Data Loss And Time Reset

Mar 13, 2012

When I run my macbook pros Battery down, there comes the low battery warning. After a while the system just goes down without suspending anything to my harddisk. When I restart my computer it does a normal start and after logging in I'm experiencing a lot messages due to the reset time. I correct my system-time and restart my mac and the system is back to normal.

Usually I'd say: Replace your CMOS-Battery (I know I have an EFI-Firmware), but where is it?. Or in other words: Is there a "System"-Battery, that would prevent my mac from forgetting the time?

Since I'm not running down my battery to 0 very often I only experience this issue from time to time and never took time to do anything about it.

iStats battery-Status says: Health:83%, Cycles:333, charge 50%...

Info:
MacBook Pro, Mac OS X (10.6.8), 2,5GHz 8GB Ram

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OS X :: WIfi Connection Loss During Data Transfer?

Apr 16, 2010

Yesterday I upgraded to the latest MacBook Pro (13 inch. 2.4 gig) and have a wifi connection issue. Whenever I start data transfer over wifi to my NAS, airport loses the connection after 2 minutes and obviously the transfer is discontinued. In a normal usage mode (Web browsing, mail and so forth) the thing works perfectly.

(This is my first mac, I tried to find topics related to that particular data transfer issue yet without success, sorry in case this is a well known issue).

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MacBook Pro :: Constantly Loss Connection To My Wifi Home Connection

May 18, 2012

I constantly loss connection to my wifi home connection, have to turn off an on the wifi on my macbook pro (10.7.4)

Info:MacBookPro, Mac OS X (10.7.4)

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MacBook :: System Goes To Sleep At Random Without Warning

May 9, 2008

When I'm working, sometimes it goes to sleep without any warning, also with a full battery. It never happens when the magsafe is connected. I noticed that when I wake the macbook again, in the battery icon (top-right), there is a "X" instead of it's capacity%.. Therefore I blame my battery for the random sleep. (the "X" dissapears almost immediately after waking up)

Here is a copy-and-paste of the console log:
Code:
9/05/08 16:25:42 kernel System Wake
9/05/08 16:25:42 kernel Previous Sleep Cause: -60

When I let it go to sleep in a normal way, it says 5 in stead of -60. Does anyone knows the meaning of the -60? Google doesn't..

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2011 Macbook Pro Crashing On Sleep (and Other Random Cases)

Jun 12, 2012

I am a proud (albeit frustrated) owner of an early 2011 Macbook Pro 15" with the i7 2.2GHz and the ATI 6750 HD.I am running Mac OS X Lion 10.7.4 (11E53) with the latest updates as of June 12 2012. I have been a big Macbook fan ever since my 2007 white core2duo macbook, but have been experiencing a problem with the latest beast.My problem is, as the title states, crashing upon sleep. The laptop will randomly crash when in use at times, though I thought that problem was a bit too vague to post about here. However, the crashing on sleep issue pretty specific.Basically, to reproduce my problem, all I have to is let my Mac fall asleep with the lid open. After a couple minutes of being asleep, it will either wake up or stay asleep with the activity light steady and dim. The ratio of crash to not crash seems to be roughly 7 to 3. The only way I have been able to fix the issue is to perform a hard shutdown and reboot. Upon rebooting I get an error report, but I'm not sure if that is related to the crash, or just the fact that I shut the computer down the hard way.

I heard that the 6750s sometimes have issues and crash a lot. Should I take this sucker in before my warranty expires and get it looked at?when I boot into Windows 7 via bootcamp, I semi-frequently get a crash when the screen looks fuzzy for a split second right before it reboots.This happens randomly, although I have noticed it happening sometimes when closing a 3D intense program (read: game).But it has never crashed during the 3D intensity.This is only a post-script becuase it could just be the fact that I'm using Windows on a Mac that is causing it to fuss.

Info:
MacBookPro, Mac OS X (10.7.4)

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MacBook Pro :: Random Restart When Wake Up From Sleep Running OS X Maverick 10.9.2

Aug 29, 2014

My macbook onward restart when waking up from sleep, but no error message appear . Plus all my program and website reload back  as before. Only problem is why it restart occasionally and it is normal. I don't have that  symptom on earlier. Now using maverick 10.9.2

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OS X Yosemite :: WiFi Will Drop At Random On IMac

Dec 1, 2014

I have an iMac late 2012. Since upgrading the OS to Yosemite,  I have had random drops in my wifi. I have already tried 'forgetting the network' and Deleting the system config stuff. I still get this random drop. My computer is unreliable. Dropping during an online exam is bs because it screws everything up. 

I have never experienced Wifi drops in my life and I am starting to get annoyed with this. 

My keyboard and mouse is using bluetooth... Does that have something to do with it? Should I just install and use Windows instead?

Info:
iMac, OS X Yosemite (10.10.1), Late 2012

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MacBook :: It Cannot Retain WiFi Settings

May 30, 2012

I have a MacBook with OS 10.7.4 and use Safari and the Wi-Fi connection to access the internet.  The computer will not save Wi-Fi settings from one session to the next. When I start up only the left side of the menu bar is displayed, and does not show the right side containing the connection icons. It will not allow me to access System Preferences, will not load Safari, and will not let me make any configuration changes.  When I shut down the computer (some times as many as 3 times) and start up again  it shows everything and works OK. The network was created on an iMac which shows everything to be normal.

Info:iMac, Mac OS X (10.6.7)

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OS X :: Random Alert Message After Woke The Computer From Sleep

Sep 29, 2009

Woke the computer from sleep and this popped up:

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MacBook Air :: Wifi Not Waking Up From Sleep

Mar 28, 2008

I am not sure if this is related to the other wifi issues posted on this thread. I am hoping it is an easy Leopard configuration thing. But my wifi used to work perfect--until I patched my OS version. Now, whenever open the lid, it can never connect to my wifi router immediately like it used to do. It spends cycles hunting, and I end up having to manually go into network preferences and try a few times to connect, including rekeying the password.

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MacBook Pro :: Closing The Laptop Puts It To Sleep - How To Change Settings

Oct 18, 2009

where the *#$& does one change this setting? Right now, if I close the laptop, it goes to sleep. This is bad - for presentations, running iTunes at home... But I can not find where to change this - I've been through every section of Pref's.

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MacBook :: MBA Wifi Slow To Connect After Sleep?

Mar 2, 2008

Does anyone else notice the MBA takes a long time to reconnect to your wifi network after awaking from sleep? I'd say it takes 10-15 seconds vs. a MBP which takes less than 5 seconds.Not a huge deal, but I'd say it's one of the slowest notebooks I've used to reconnect to a wifi network.

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MacBook Pro :: WiFi Connection Lost After Sleep Mode

Jun 26, 2010

Evey time it goes to sleep or I turn it off it forgets the fact that there is any wireless around. I have to look for the networks. Then if it wants to will find them and trying to connect to my own wireless network (apple extreme) is a challenge. I do have parallel desktop installed, could that be the problem?

Here is some info:
Model Name:MacBook Pro
Model Identifier:MacBookPro5,1
Processor Name:Intel Core 2 Duo
Processor Speed:2.4 GHz
Number Of Processors:1
Total Number Of Cores:2
L2 Cache:3 MB
Memory:4 GB
Bus Speed:1.07 GHz
System Version:Mac OS X 10.6.4 (10F569)
Kernel Version:Darwin 10.4.0
Boot Volume:Macintosh HD
Boot Mode:Normal

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MacBook Air :: What Made It Finally Connect To Wifi After Sleep

Apr 19, 2012

I finally got my mid 2011 MBA to connect to my preferred network when waking from sleep. It is something you may have read elsewhere but I can confirm it worked for me. You have to disable the "deep sleep mode". When a Air goes into deep sleep is when (for me) it failed to wake my network back up. I switched off deep sleep and not only does it wake up faster it wakes up connected to the Wi-fi network. How do you turn off deep sleep? Using the terminal command 

sudo pmset -a hibernatemode 0 

If you are like me you may say what is a terminal command? Go to spotlight (that magnifying glass icon top right corner of your screen) and type terminal. Click the Terminal next to Applications. Copy paste the command I posted above and supply your password if you have one. What this does is disables the deep sleep mode that the Air's use for maximum battery life while left sleeping and on battery. This is why my Air always connected to wi-fi when it was plugged in to power, because it never enters deep sleep when on external power. Now the computer goes to sleep and wakes up as intended and no more turning airport on and off to start wi-fi back up. Try for yourself and if it does not work...your Air is broken (I guess).  

If it did not work and you want to put the computer back to the way it was go back to terminal as above and then copy and paste this command back in. 

sudo pmset -a hibernatemode 3  

In case you worried your computer now does not sleep, it does. It goes into plain sleep mode as the old Macbooks that awoke just fine used to do.

Info:
MacBook Air, Mac OS X (10.7.3)

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MacBook Air :: WiFi Keeps Dropping After Sleep And Takes At Least 20 Minutes To Come Back On

Jun 2, 2014

This is driving me crazy. I have tried so many fixes but nothing has worked. Every time I hibernate / sleep my 2012 macbook air, the wifi drops and takes at least 20 minutes to come back on when I open the laptop again. 

I can reboot, turn the wifi off and on, change preferences...everything. Nothing works.

Info:
MacBook Air, OS X Mavericks (10.9.3)

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MacBook Pro :: WiFi Disconnection Occurs After Raising Lid Subsequent To Sleep

Jun 29, 2014

Putting her MacBook Pro/Maverick to sleep works fine, but when she raises the lid the Wifi connection is broken, and cannot be acquired unless she reboots. Does a switch exist for this anywhere?

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MacBook Pro :: (17" 2.4 Intel) - Wifi Networks Forgotten After Sleep/restarts?

Apr 12, 2012

I made the mistake of upgrading (funny word for what I got) to Lion, and ever since, I've had numerous issues with my trusty MacBookPro (2008, 2.4 ghz, 17").  The latest problem has been severly annoying though, and I just would like to see if any of you have some tips I could try out.  Basically, every single time I close down the lid to put my computer to sleep, or even after it goes to sleep on it's own, when I go to wake my computer, it no longer is connected to my wi-fi network, and for a period of 2-5 minutes, is acts like it is searching for networks.  When this exercise is over, I can use the pull down menu brought up by clicking on the wifi icon to select my network and the computer re-connects.  I saw that Apple released an update for 2011 MacBookPro's that had this same issue, and this made the problem even more irritating to me since they failed to address those of us who have older computers that have the same issue.  I have tried erasing all known network in the network preferences window using the plus and minus buttons, and then re-adding my network.  That didn't work.

Info:
MacBook Pro, Mac OS X (10.7.3), 17 inch screen, on 3rd logic board

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MacBook Pro :: Disconnects From WiFi Network After Sleep Mode - How To Set It Up To Stay Connected

Jun 2, 2014

My laptop drops the wi-fi connection every time the cover closes for sleep mode.  It just started doing that recently.  What settings should I do to make it stay connected?  My other Apple devices continue to work normally.

Info:
MacBook Pro (15-inch Mid 2010), OS X Mavericks (10.9.3)

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OS X :: Losing Wifi Settings In Keychain?

Dec 26, 2010

For some reason, approximately once a month, the Mac loses the wifi settings. This sends the clock back to January 1st and takes several attempts of reentering the network name and password before it is recognised again.

Also, the wifi settings seem to no longer be part of the keychain when that happens.

This is getting to be a pain. Does anyone know why this happens (it only happens on one of the Macs; others are fine)? What can I do to repair it for good?

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OS X :: How To Disable Previous WiFi Settings

Jan 22, 2009

I just got a brand new MacBook and I connected to my neighbors network (its ok with them) and now I bought a router and it works but every time I open my MacBook, it automatically connects to theirs and not mine. How can it forget a Network?

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OS X Mavericks :: How To Automatically Switch Between Two Different WiFi Settings

Jun 3, 2014

I have to work with two different Wi-Fi (at home and office) one of which uses DHCP and other requires me to manually enter IP address. Right now I have to keep on changing Wi-Fi settings (putting IP addresses when at office and setting to DHCP at home) whenever I go from home to office and then do the reverse when I go from office to home. Can I automate that so I don't have to repeatedly fiddle with settings? 

Info:
MacBookPro, OS X Mavericks (10.9.3)

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Hardware :: Trying To Set Up WIFI Printer - Connect Via USB To Save Settings

Mar 30, 2009

I got a HP Photosmart C4380 all-in-one wi-fi printer and i want to set it up on my wireless network. so i plugged it in to my MBP via USB and ran the HP setup assistant that came with the printer.

at the first step it recognized my printer as being connected via USB the next step when its supposed to detect your wireless network i get this message that says your printer is not connected to the computer, connect via USB to save settings.

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OS X V10.7 Lion :: Different Wifi Networks With Difference Advanced Settings?

Mar 10, 2012

I have one mcbook pro running on Lion.

I am using at work a wifi connection that requires fixed ip and specific proxy.

When i go home, i am using another wifi network, so every day i have to change the advanced network settings of my mac.

Is there any way to attribute different advanced settings for each network and save it, so it will be changed automatically?

Info:
MacBook Pro, Mac OS X (10.7.3)

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May 18, 2012

I just downloaded the PhotoSync app onto both my iPhone 4 and MacBook Pro (Snow Leopard). However, when I try to use PhotoSync to sync all my photos from my iPhone to my MacBook Pro, I get an error message telling me to check my wifi settings - even though both of my iDevices are connected to the same wifi network. I get the same error message when I try to use PhotoSync to sync the pictures from my iPhone 4 to my iPad 2, as well.

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OS X :: How To Reset User Settings (No Sleep Mode)

Sep 6, 2009

Starting a couple of days ago, my 2009 iMac won't sleep. I created another user and when that user is logged in sleep is working fine. This leads me to suspect that some of the user settings are clobbered and I need to reset them to get things normal again without having to reload the system. Can someone tell me what files I need to trash to get my user settings wiped out? Alternatively I could always do a fresh reload of the system and then just recover my last Time Machine backup of my applications but NOT recover my settings.

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Mac Pro :: Display Will Not Sleep In Energy Saver Settings?

Apr 9, 2010

I have a new issue with my Mac Pro (3,1 - 2008), it just popped up (and I don't think it was caused by 10.6.3, I remember this working correctly after it was installed)I have two monitors connected via DVI to a flashed XFX 4870. The 4870 has never given me any trouble.the Energy Saver settings, I usually set the machine to never sleep, and the displays to sleep after 5 minutes. This used to work great, never had any trouble with it, ever. Now, the displays don't go to sleep after 5 minutes, they just stay on with a screensaver.

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Hardware :: Switch Time Capsule - Settings - Use Wifi Connection Using Smartphone?

Dec 9, 2009

I have a Time Capsule wirelessly connected to my iMac. Since I've encountered some problems with backups because of intermittent wifi connection failures, I want to switch to a wired connection with an ethernet cable. I know I could fiddle with the wifi channels etc. but since the TC is just sitting next to my iMac anyway, I could profit from the higher bandwidth of a wired connection as well.

Two questions:
1. What exactly do I have to do to make the switch? Are there any new settings I have to apply? Create a new network?
2. Will I still be able to use the wifi connection to get on the internet using my smartphone?

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Applications :: Losing Monitor Resolution Settings During Sleep?

Apr 10, 2005

I'm using a Mac Mini (running 10.3.8) connected to an old View Sonic E95 monitor. No problems except that every time I leave the computer for a while it goes to sleep and "forgets" what display it is connected to. When I hit a key or whatever to reawaken it, the display resolution has been re-set to "VGA 800x600" and I have to tell it to "Detect Display" again..

Any clues? I have looked on the forums and Google with no success .

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