Why does my macbook pro "goes to sleep" when charging?

Why does my macbook pro "goes to sleep" when charging? It is working fine without charging but once I attach the charger to my laptop, it just blacks out or goes to sleep mode and I can't wake it up unless I unpluck the charger.
I read from threads that it is a logic board problem....How do I solve this problem?

Try an SMC reset. Follow the method for "a battery you should not remove yourself."
http://support.apple.com/kb/ht3964

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Why does my macbook pro go to sleep when i move it?

I'll be sitting a my desk and decide to slightly move my macbook pro so its facing me a little better and it will go to sleep.
I have a MacBook Pro (retina display) 13-inch, which I bought in February 2014.
It happened both when I had it connected to power and when it was running just off battery.
I was watching youtube videos at the time, and now that I've stopped the problem has gone away.
What would youtube have to do with my macbook going to sleep?
And now I've gone back into youtube and its not doing it anymore, so confused?

Try resetting PRAM and SMC.
Reset PRAM: http://support.apple.com/kb/PH14222
Reset SMC. http://support.apple.com/kb/HT3964
Choose the appropriate method.
"Resetting SMC on portables with a battery you should not remove on your own".

Why does my Macbook keep going to sleep every 10-20 secs!

why does my Macbook keep going to sleep every 10-20 secs when first turning on then it seems ok after about 10 mins ? This has only happened since upgrding to Lion 3 days ago, it's driving me mad!

You are most welcome

MacBook Pro goes to sleep when copying files from attached drives

I have noticed that since installing Yosemite my MacBook Pro goes to sleep when it is in the middle of copying a large number of files. When I wake it up the copying continues.
I have also noticed that when I am watching videos from my shared iTunes library on an Apple TV the video will stop after about 15 minutes and the connection to the library is lost because the MacBook Pro has gone to sleep. When woken up then access to the library is restored but I need to reselect the movie and then resume.
I have changed the power saving options to do not let drives sleep when idle and do not sleep laptop.
Anyone else have any experience of this or better still a fix.
Thanks in advance.

I have just found that if I turn off the display sleep in the power settings then the problem is resolved. It means though that the screen on my MacBook Pro is on all the time albeit with a screen saver.

Why does that entire thread goes to sleep when we put a wait function in time critical loop?

why does that entire thread goes to sleep when we put a wait function in time critical loop but not when it is not time critical

Norbert B wrote:
Ujjval,
in a RT system, priorities have (in general) increased effect on the execution of the application.
It is recommended that you only have a single task in your RT program at "time critical". If you have two task "time critical" (that means you are running into issues caused by your quoted "feature"), you have a flaw in your application architecture.
Since LV 7.1, it is recommended to work with Timed Loops in order to prioritize tasks on a RT system. Timed Loops are executed on priorities between "time critical" and "above normal". Each Timed Loop will execute its content in a single thread in order to keep a good overview of the timing (like finished late [i-1]). Using those structures (and according settings) in a reasoned manner will prevent your RT system to run into priority issues.
Ujjval Shah wrote:
[...]also i would really appreciate if i can get more documentations regarding how LV creates threads and assigns subvis to them[...]
You will have a real hard time to go into this very deep. This is the feature of LV: you can just use multithreading (multicores) without the needed knowledge of scheduling and load balancing. This makes LV programming in general very easy in comparison to e.g. ANSI C (in regard of multithreading). So creation of threads, distribution of tasks to the threads are abstracted and most often not visible to the programmer.
There are some switches and levers you can "play around" in order to make LV to behave differently in this matter. But this most often requires deep LV knowledge and cannot be explained in a simple posting.....
hope this helps,
Norbert
Amen to that!
The question can not be fully answered without digging into the internals of the OS LV is run on because LV works with the OS and lets it do the scheduling.
Yes that note applies to pre- LV 7 RT. When run under RT the ONE Time Critical loop was guarenteed to stay determinisitic.
Since then the Timed Loop was introduced that allowed multiple levels of priority and later allowed us to assign which CPU the code would run on.
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
Rayner's Ridge is under construction

MacBook Pro won't sleep when charging

My 15" i5 MacBook Pro won't sleep when charging; a reboot of the machine solves the problem temporarily, but it always recurs. When I close the lid and listen carefully, I can hear hard drive activity; the drive sounds like it keeps spinning up every 10 seconds or so.
This is not an issue when trying to sleep when running on the battery only. Any advice?

I don't have launch2net installed.
I'm not sure how this will help, but here's the last 5 lines from Console:
11-07-13 5:19:46 PM          Butler[156]          cache: adding applications...
11-07-13 5:19:46 PM          Butler[156]          cache: adding addresses...
11-07-13 5:19:47 PM          Butler[156]          cache: categorizing...
11-07-13 5:19:49 PM          Butler[156]          updated abbreviations cache (enabled)
11-07-13 5:19:58 PM          SIMBL Agent[133]          warning: failed to get scripting definition from /Applications/Utilities/Console.app; it may not be scriptable.

Why wont my macbook pro wake from sleep when i try to use it?

When my Macbook pro goes to sleep I cannot wake it back up, the rainbow spiral spins and spins and will not stop with the black screen i have to hold the power button to turn it off and then turn it back on

Hello kmgarabedian13,
Thanks for using Apple Support Communities.
For more information on this, take a look at:
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/HT3964
Best of luck,
Mario

Why doesn't MacBook Pro go to sleep when the battery is empty?

Hi there!
I was calibrating my MacBook Pro's battery and when I was running the battery down, after the point where the "Low Battery" warning popped up, it ran for 9-10 minutes and the computer just shut down. Let me mention that my battery has no problem lasting for 7 hours. What could be the issue? Is this normal behaviour?

You're just panicing - after there's no more battery reserve left, the Mac will shut down. And if you've a newer MacBook Pro with the unremovable battery, there's no reason to calibrate the battery. See http://support.apple.com/kb/HT1490. As it states:
"Portables with built-in batteries
Current Apple portable computer batteries are pre-calibrated and do not require the calibration procedure outlined in this article. These computers use batteries that should be replaced only by an Apple Authorized Service Provider."
Regards,
Clinton

Why does my Macbook Pro go to sleep randomnly?

My Macbook Pro with a 2.5 GHz intel core i5 and 4GB 1600 MHz DDR3 Memory, just goes to sleep randomnly for no reason at all, i was just doing some work when my macbook just suddenly goes to sleep, there is no magnets around, only the ethernet cable is plugged in, the charger and a wireless mouse usb, even when im other places with nothing attached to the computer it goes to sleep, no magnets are around it. Any help?

Reset SMC. worked.
1. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own"
2.Reset PRAM. http://support.apple.com/kb/PH4405
Best.

Why does my MacBook Pro close open programmes when it sleeps?

Hi,
I'm having an Auto Sleep issue with my MacBook Pro (13 inch, Mid-2012).
When my mac goes to sleep it closes any and all open programmes. Not only is this annoying but it means the mac can't be left to run a process, such as a length Time Machine back-up, as it will close down the programme mid way through.
The issue happens when running on battery or mains power.
I've gone to System Preferences > Energy Saver > and I've set the Computer Sleep slider-bar to be Never.
I've done this for both Battery and Power Adaptor settings.
I've also made sure the 'Put Hard Disc to Sleep when possible' setting is disabled
I've tried changing to these Power Saver settings then restarting immediately but no joy.
It only seems to happen when the mac goes to sleep from inactivity. If I manually put the mac to sleep it doesn't happen.
It hasn't always done this. It started about a year after I purchased the Mac (new from Apple).
I recently upgraded to OS X Yosemite 10.10.1. and this hasn't done anything to fix it.
I've tried searching the net and various Mac forums and I can't seem to find anyone reporting the exact same issue. I'm hoping someone on here will be able to help.
Any ideas anyone?

Or take it to your nearest Genius Bar; if there is a problem, you can exchange it for another machine. Or return this one (14 days from the date of purchase if it was purchased from Apple) and buy another.

My Macbook Pro goes to sleep when I connect the magsafe adapter.

Hi, if I am using my MBP on battery and then 1) close the lid to put it to sleep, 2) later connect it to the magsafe and then 3) try to wake it up (in that order only, and more frequently if in the login screen), it powers up for a second then goes back to sleep. Not always but frequently. It takes about 10 seconds to power down, and then once asleep, it takes about 5 seconds before it will wake up again. After that, everything is fine. My only workaround seems to be to wake the computer first, wait about 10 seconds and then connect the magsafe. Has anyone else experienced this? I never noticed this before I upgraded to Mountain Lion.

This very well could be the same issue as below. Please read the full copy of the post and see if the behavior matches. What's happeing is that if you have this update installed, whenever you plug or unplug the power adapter to the laptop, the system will wake from sleep and then go back to sleep if the lid is closed. What you're doing is plugging it in which causes it to wake up, then when you finally open it a couple of seconds later, you're catching it as it's going back to sleep and once it does that it then sees that you opened it and wakes back up again. Either plug it in and wait for that wake/sleep and then open it or open it and then plug it in.
Post about the problem in detail:
This is a problem with all 2012 MacBook Pros that have applied the update DL1609 via Software Update. This update is called MacBook Air and MacBook Pro Update 2.0. The only fix that exists for this is to reinstall OSX and just not install this update when it shows in the available updates list in the AppStore. Just hide it until this issue is fixed by Apple.
If your OSX 10.8.2 version is anything after version (12C60) then you will have this problem. The problem is as follows. With the system asleep with clamshell closed, plugging and unplugging the power cable causes the system to wake up and go back to sleep. Additionally, leaving the system plugged into power for over 4 hours will cause the system to go into hibernation, but only when plugged in. If it's not connected to AC power while sleeping for that long, it will not enter hibernation.
Please call Apple and complain about this problem. I have been working with them for over a month and a half trying to get them to fix this and it's a major hand-holding process because they didn't initially understand the issue. Add to that the fact that they insisted that this problem doesn't exist and it just made it that much harder to get them to see the issue.
You need to call them AppleCare and let them know you're having this problem. Along with that, email the rep you're working with links to every Apple Support Forum thread you can find on this. Trust me, there are several with this same exact problem.

Why does my MacBook Pro battery discharge even when the charger is plugged in?

I've been having a myriad of problems with my MacBook Pro's battery. The main problem is that when in use, the battery steadily discharges often at a very quick rate even when I have the charger plugged in, the only way I can get it to recharge is to close the lid or turn the computer off, however, it has recently started to take a very long time to recharge (I left it for 12 hours and it charged from 0% to 60%). I also noticed that while off, the charger light occassionaly goes green and then back to orange every few minutes. When I manage to get the battery up to 100% charge, it usually stays at 'Charged' for around 5 or 10 minutes and then it just comes up with 'Calculating...' as it slowly discharges, it also occassionaly claims that it is recharging and that it will take around 6 to 8 hours but it only charges about 1% of the battery and switches to 'Not charging'. Also, sometimes the charger light wont come on when it is plugged in and the Mac refuses to acknowledge it is plugged in for some time.
I took it to the Apple Store a few months ago and one of the Geniuses reset the System Management controller and did a quick hardware test which seemed to fix it but the problems returned soon after, I cannot enter the hardware test screen and subsequent attempts to reset the SMC have done nothing, he also tested the charger and tried it with another charger but it did not help. Hope you guys can help me as I am completely stumped by this and its beginning to annoy me as my Mac is becoming almost unusable.
System Specs:
MacBook Pro (13inch, Mid-2010)
Processor: 2.4GHz Intel Core 2 Duo
Memory: 4GB 1067MHz DDR3
Graphics: NVIDIA GeForce 320M (256MB)
Hard Drive: Toshiba 250GB (50GB devoted to Windows partition)
Software: Mac OS X Lion 10.7.2 (Also have a partition containing Windows 7 Ultimate)
Battery Information (from System Information):
Model Information:
Serial Number:          9G02903MAD3NB
Manufacturer:          DP
Device Name:          bq20z451
Pack Lot Code:          0
PCB Lot Code:          0
Firmware Version:          201
Hardware Revision:          2
Cell Revision:          164
Charge Information:
Charge Remaining (mAh):          509
Fully Charged:          No
Charging:          Yes
Full Charge Capacity (mAh):          5066
Health Information:
Cycle Count:          450
Condition:          Normal
Battery Installed:          Yes
Amperage (mA):          -742
Voltage (mV):          10807
Notice, the amperage is in Negative while the computer is plugged in!

Battery condition says normal but cycle count is on the high side.
May be better off with a new battery.
Hope everything turns out right.

Why does my Macbook Pro crash almost immediately when I'm offline?

My Macbook Pro (late 2007 if i'm right) crashes randomly, whether I'm using a program or not. Suddenly the whole screen freezes (I see a black mouse and not the spinning ball of death). So I'm forced to use the hard restart.
It started a while ago, when I still was using Snow Leopard. So I did a clean install, and had to buy Mountain Lion. Ever since the clean install there were 3 software updates. But still I'm having the crash problem.
After this last update to 10.8.5 I'm noticing that when I turn WiFi off it almost immediately crashes. And sometimes when I reboot I don't have the time to turn on WiFi again or it already has crashed.
Though I remember that my mac also crashed when I was using the ethernet cable and when i was using WiFi. Only now with the offline modus it seems that crashing is the only thing he can do.
This is what I already tried:
-Making a second account as administrator and start up in the safe mode: but still crashes when I go offline.
-using disk utility to veridy and repair disk permissions: all good.
-NVRAM reset
-SMC reset
I don't know what kind of information anyone needs, but:
Processor 2,2 GHz Intel Core 2 Duo
Geheugen 4 GB 667 MHz DDR2 SDRAM
Videokaart NVIDIA GeForce 8600M GT 128 MB
Software OS X 10.8.5 (12F45)
And my harddrive has 56 gb free right now.

Thank you for your fast answer.
Even though I don't understand the connection between working offline and my videocard I believe you because I see sometimes blocked images when something tries to load or when i scroll down, mostly in photoshop. So I'm considering buying a new computer.
I tested my harddrive a while ago and it still seemed ok. (still i back up all the important stuff constantly).
Though I wanted to ask if you know if the Nvidia is a part of my logic board. I had my logic board replaced in 2010 because of an Nvidia error. So that part isn't that old. Still I can imagine that it doesn't work well anymore with other hardware or software on my computer.

Why does my MacBook Pro make clicking noises when pressure is applied to the unibody?

I purchased a MacBook Pro in late July of this year. Recently, I have noticed that when I begin to type on the keyboard, the unibody will make a faint sound when pressure from my hands is applied to the MacBook. I also notice a faint clicking noise when I pick up the MacBook Pro to move it somewhere. Additionally, the screen hinge makes a faint clicking noise when the screen is opened. Are these sounds normal?

Check if an AASP (Apple Authorised Service Provider) is closer, as some do not trust Geek Squad to diagnose something as simple as "all the keys are missing". But judge for yourself.: http://support.apple.com/kb/HT1434

MacBook Pro will not sleep when charging and display is closed.

Hi,
My Mac will not sleep when it is charging. When I close my display, it will not sleep.
When I unplug the power cable, it sleeps...
I've tried to reset the SMC, and I think i did, the charger went from green to red etc different colours..
Does anybody know what this might be?
thanks

AIGHT GUYS!
This is how to fix it, and i guarantee u its 90% the cause.!
first of all, if you are a lion user (most likely all of you with this problem) go to system preferences, and then to sharing. turn all sharing OFF. especially printers....
open a terminal, and type in :
pmset -g assertions
This will show u if somehting is preventing ur mac from sleeping. on the left colomn, it should say "PreventSystemSleep" and on the right colomn a number. mine was one, which is probably the same for you guys.
Go to system preferences > Print & Scan > Open Print Queue. Make sure all the printing queues are empty and nothing is in there. You do not need to pause any or anything like that just make sure nothing is in the queue.
Close your macbook lid and look at ur light it should be sleeping. HOPE THIS WORKS FOR U
took me long enough to find out.
dont hesitate to ask me any questions

Why does my macbook pro "goes to sleep" when charging?

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