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11" MBA July 2011 owners who have issues when waking from sleep

E

Esquire1

macrumors member
Original poster
Jun 4, 2010
67
16
My 11" 128/4 MBA has issues waking up from sleep sometimes. It'll just hang at a black screen and I'll have to restart.

Anyone else have the same issue? It seems fairly common: https://discussions.apple.com/thread/3214368?start=0&tstart=0

Anyone have any solutions they had work for them? Hopefully Apple fixes this in a firmware update. I seriously doubt it's hardware related.
 
I think this is an issue with Lion. I get the same problem on my mid 2009 MBP 13".
 
I've had no issues...pretty fast when waking up from sleep, 2 seconds at the most.
 
Gunny011 said:
I've had no issues...pretty fast when waking up from sleep, 2 seconds at the most.
Click to expand...

Usually, I do not have a problem. However, it does occur every so often. Often enough for me to make a thread about it.
 
Esquire1 said:
Usually, I do not have a problem. However, it does occur every so often. Often enough for me to make a thread about it.
Click to expand...

Do you have a lot of apps open when you put it to sleep? This may be why. I wish I had snow leopard to compare the instant on feature with
 
I had this same problem with my 2011 13" MBA i7/256/4 Lion 10.7.1

Someone on another forum suggested resetting PRAM, which I did. It seems to be working just fine now - wakes up almost instantly just like it should.
 
Gunny011 said:
Do you have a lot of apps open when you put it to sleep? This may be why. I wish I had snow leopard to compare the instant on feature with
Click to expand...
Chrome, Mail. That's all. I always wondered if it's Chrome. I'll see what quitting it before sleep will do.
 
Am having problems with long wakeup times as well. What does resetting PRAM mean and how do I do it?
 
Okay, so the next day after resetting the PRAM it started doing it again. I did a little more research and it appears to be an issue with the machine going into Hibernate Mode (not Sleep, but Hibernate).

Yet another suggestion by someone was to change Hibernate Mode to 0 so the system will not go into Hibernate mode, but will go into Sleep mode only.

I did try this and it seems to be working OK now.

I'll report back in a few days to see if the results are still the same.

Here's links for both PRAM reset and Hibernate Mode change:

PRAM: http://support.apple.com/kb/ht1379

Hibernate: http://www.tuaw.com/2011/08/22/why-hibernate-or-safe-sleep-mode-is-no-longer-necessary-in-os/
 
OK, so after several days now, changing the Hibernate mode to 0 has worked! :D

It wakes up instantly now every single time - no delay at all...
 
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