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MacBook家族于2006年5月发布,替换了iBook来作为苹果消费级笔记本的产品线。

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Restarts when put to sleep

My daughter's MacBook restarts if the lid is closed and then opened again i.e. it goes to sleep but will not wake normally but restarts by itself. Anyone had a similar problem and found a solution?

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I have the same exact problem. Just started a day ago.

Mine started doing this last week or so, but now it is fixed! woot woot!

I have the same problem after update for macOS Sierra

I recently upgraded to Aura Pro X2 1T SSD on my mid 2014 MacBook pro. I also had already upgraded to Mojave before the upgrade. No my MacBook give the the chime tone twice and reboots when the MacBook has been in sleep mode for a while. I have resintalled the OS per mac support, they had reset some nvram, and sac, yet nothing has worked.

Anyone know what is causing this?

Hey @peppon did you ever figure out what was causing this? I recently upgraded to the Aura Pro X2 SSD on my late 2013 Macbook pro, and mine has been doing the same thing ever since. I've also tried everything.. nothing works so far but I'm assuming it has to do with the upgrade.

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I found a very simple fix to the "restart after sleep" problem on the Apple user forum. My white 13inch Macbook 2 GHz Intel Core 2 Duo, Leopard 10.5.8 . would display a message something like, "A kernel panic has occurred and the only thing you can do is hold down the power button until the machine shut off." ( paraphrased). This occurred after sleep whether by lid closing or software command.

Here is what worked for me:

1. In System Preferences, open Network preferences.



2. Highlight "Ethernet" or "Built in Ethernet".



3. Click the Minus sign ( - ) (at the bottom of the window just above the unlocked lock icon) to delete the Ethernet configuration.



4. Click the Plus sign ( + ) (at the bottom of the window just above the lock icon) then select "Ethernet" from the menu that appears. Then click "CREATE". (a new Ethernet configuration is created in the left section of the window). Then click "APPLY" on the lower right side of the window. Close the window.



5. Sleep the computer by closing the lid. Then wake it up. Then sleep it again. Then wake it up again. Everything should now work fine. 


This worked perfectly for me the last time this happened. The previous time it happened, my son reinstalled the operating system and apps for me, which worked, but was probably overkill.

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Haven't had a chnce to try this yet but am hopeful.

this did not work for me

Is it restarting or logging out and losing what you had open when you were logged in? If just logging out, go to Sys preferences > Security & Privacy > General >Advanced. uncheck the box to log out after a certain period of time or change the interval. This was driving me crazy for weeks!

I'm on the Sierra OS now and don't see Network Preferences in System Preferences. There's "Network" but there is nothing to do with Ethernet or Built in Ethernet there.

The setting changes suggested by jfet4c did the trick for me. Thing is, i don't remember changing those settings and I have had the MacBook for over two years.

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I've had bad topcases that caused irregular behavior related to sleep mode and rebooting. If you have another topcase available to test it might be worthwhile. Also, Apple laptops go into sleep mode due to various magnets throughout making a connection with each other, and if those magnets in the screen and body of the computer are in the wrong place or are not present, this can also cause bizarre behavior (computer continually going into sleep mode and then waking up, etc.) Particularly there are two magnets in the screen frame I know of related to this, so if by chance your screen has been swapped out, it's possible a magnet is missing.

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I'm going to try a recommended solution involving disabling Safe Sleep mode which a number of folks have pointed to as a possible culprit. There is an application that will do the job or you can disable in terminal mode. http://www.jinx.de/SmartSleep.html

To disable safe sleep, run the two following commands in Terminal:

$ sudo pmset -a hibernatemode 0

$ sudo nvram "use-nvramrc?"=false

When done, restart your computer. Now go delete the file /private var vm sleepimage" to free up some hard drive space. When you put your computer to sleep it, should happen in under five seconds; my MacBook now goes to sleep in two seconds.

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Note that if you disable safe sleep, your computer will lose all contents of memory if it runs out of battery power, instead of going into hibernate mode. It just means that you'll lose any unsaved work, which is usually not a big deal, but it's worth mentioning.

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how long is the computer asleep for? is it instant? usually an apple will restart automatically if there is a power failure. your computer could have a number of issues wrong with it. try putting it to sleep plugged in without the battery in it... see if it does it. also, try the usual... reset the PRAM by holding down +Option+P+R on reboot and hold it until the computer chimes, not once but three times. also, then when the computer is off, reset the firmware, by holding down the power button until the light flashes and the computer emits a long tone. If none of those issues fix it, you might have a problem with a dc board or logic board and need to get it replaced

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Tried all of the above plus PRAM, firmware, and SMC resets and so far nothing helps. In fact, it's worse. Now it shuts down every time I put it to sleep. Never had this with any of my Apple laptops or desktops before.

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Is it only when it sleeps by shutting the lid? Does it sleep ok when you choose Sleep from the Apple menu? How about if it's booted to an external drive? That will help rule out software and point you more toward hardware.

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Happens any time it is put to sleep

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There was a MacBook sleep/wake issue, that was corrected by an OS update. I'm not 100% sure which models, but it would definitely be an idea to ensure all possible updates are installed on your machine.

If you would like more info on the update, let me know and I can research it for ya. I'll save that effort for now though.

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My macbook would have to restart after every sleep once i upgraded to Mavericks. I stopped it by prior to sending it to sleep, unplugging both my power cable and my thunderbolt/hdmi display. With Both unplugged it will wake up just fine. I know this is anecdotal, but it's the only thing that worked vs a few fixes various forums recommended.

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I'm having the same issue. My mac (MacBook Air with El Cap, attached to HDMI/thunderbolt projector) will go to sleep, and when I come back about half an hour later, it has restarted itself. I am a teacher. Since I am using a Keynote, attendance software, Google Classroom, Classcraft, Windows, and sometimes Geogebra, imovie, or Pages, it is a real pain to have to log in with my complete user name and password, then restart all of my software and reset it to where it was all over again. This is the first time I've seen a mention of power cord and HDMI connected when this happens, so I'll try that tomorrow and hopefully it will work!

Thanks for the suggestion!

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thank you so much , i did exactly what you mentioned and it works perfect now

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Same problem with my macbook pro 2010 (mid) 15

when i wake my macbook pro from sleep (opening the lid) it restarts .

this even happens some times when i am in middle of something(this not not waking from sleep) but rarely.

Does anyone have the same problem ?

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did you ever find a solution? I'm having the same issue.

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I'm on the Sierra OS now and don't see Network Preferences in System Preferences. There's "Network" but there is nothing to do with Ethernet or Built in Ethernet there.

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Hi!

Im on a macbook pro mid 13, and i have the same problem.

From no where the screen stays black when it powers up from sleep mode, and i have to force shut it down like three times before it reboots and i can use it again. Alos, sometimes i have to disconect the charger and other cables and restart.

After 10 minutes of restarting and trying it goes back to normal, and works perfectly fine. Untill i put it pack to sleep mode. I can then here the mac start sound (EVEN THO THE LID IS CLOSED DOWN??) and its restarting and acting wierd.

Does anybody know what to do about this? I really think there is a easy solution, but i really cant how to find it right now...

Thanx for anwsers.

Cheers

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Hi!

Im on a macbook pro mid 13, and i have the same problem.

From no where the screen stays black when it powers up from sleep mode, and i have to force shut it down like three times before it reboots and i can use it again. Alos, sometimes i have to disconect the charger and other cables and restart.

After 10 minutes of restarting and trying it goes back to normal, and works perfectly fine. Untill i put it pack to sleep mode. I can then here the mac start sound (EVEN THO THE LID IS CLOSED DOWN??) and its restarting and acting wierd.

Does anybody know what to do about this? I really think there is a easy solution, but i really cant how to find it right now...

Thanx for anwsers.

Cheers

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Hi everybody,

I have exact same issue with my MacBook Pro 2016, it seems that the problem comes from Power Nap. I switched it off on both battery and power adapter modes and it seems that the issue is gone now. You should try that ;)

Ben

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