Question

Dark Screen after Macbook Pro wakes up from sleep mode

Asked by: palladion

Hi,

I have the following problem - very often (but not always haven't found out when, but it is annoyingly often) my Screen on my Macbook Pro stays just dark when I open the lid to wake it up from sleep mode.

Now I can use the keyboard and it even is working (tested it with a musical software keyboard that was the front application) so it seem like the system is running and working it is just the display that stays dark.

One Solution is of course to press the Power-On-Button for 5 Seconds and Restart the Mac.

Another solution is to hook it to an external monitor (in my office I have an external monitor which is the primary one, when attached) and then most of the times also the Macbook Pro Monitor starts to work - if not, then I have to synchronise both monitors (that always works).

Both solutions are very unsatisfying ... and restarting when you are away from office is a real pain.

Have found several hints on some forums (so it is a known problem) but no real help so far.

Anyone here who had that problem and soled it for good?

Thanks

Patrick

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Asked On
2008-03-14 at 04:13:00ID23241305
Tags

Apple

,

OS X

,

10.5 (Leopard)

,

Macbook Pro

Topics

Apple Laptop

,

Mac OS X

,

Mac OS 10.5 (Leopard)

Participating Experts
2
Points
200
Comments
8

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Answers

 

by: pheidiusPosted on 2008-03-14 at 05:04:47ID: 21124620

You may have read this thread already. http://forums.macrumors.com/showthread.php?t=441089
In it, some people have reported that removing istat fixes it. Others have pointed at disabling safe sleep.
Others say don't wake the book up in any other way than opening the lid. In a different thread, it was suggested that you should not move the MBP until the activity light is off so that the sudden motion sensor doesn't prevent safe sleep from finishing its routine. None of these seemed definitive though. Some blame the keyboard update that fixed the no response to first keystroke issue but others say the problem predated it. others say sleep with lid open. either way a lot of people are hopping mad about this. One thing you might try since you have an external display that you use as a primary at wwork is to always switch back to the mbp display before disconnecting the external display.

 

by: palladionPosted on 2008-03-14 at 08:25:09ID: 21126386

Pheidius,

thank you for your response. Think I haven't read this forum article yet, so thanks again for seeing again how frustrated others are too with this problem :-)

Here my comments on your suggestions:

1. I don't think I have iStat installed (this Macbook came out of the box) and I haven't installed it. It is not a widget I can see and Spotlight won't find it.

2. I only wake up my mac and bring it to sleep through the lid

3. Always disconnecting the external monitor (while the mac is on) before i move my mac is something I now always do - still no change.

4. I am using the Mac-Autoupdate, so I hope to always have the newest driver. Not sure which keyboard update I can do manually. But I had my Macbook for about 2 months and since then the problem exists.

5. In Terminal I checked ... my hibernatemode was 3 ... I changed it to 0 ... we will see what that brings

6. I will also take extra care for the next days to not move my book before it is in sleep (LED indicator showing me that) - that is something I haven't checked.


 

by: pheidiusPosted on 2008-03-14 at 08:41:02ID: 21126530

If this problem was going on with my MBP I would be going ape. I think I would try manually applying the 10.5.1 update after repairing permissions to isolate whether or not this was a 10.5.2 update issue or that keyboard update. If the problem went away you could always stay at 10.5.1 until 10.5.3 comes out. Or if you want to  get more advanced you could use a program like Pacifist and strip out just the old keyboard drivers from 10.5.1 and reapply that to 10.5.2

 

by: palladionPosted on 2008-03-14 at 09:07:34ID: 21126765

Yeah going ape really comes close :-)

I will try out the changes I made today for the next days and if it persists then I have to get more advanced as you suggested ... damn updates :-/

Thanx

 

by: strungPosted on 2008-03-16 at 07:16:21ID: 21136983

Try disconnecting the power plug from the side of the computer before opening the lid. For some reason, on my MBP it will wake from sleep if it is running on battery, but often not when running on power.

 

by: palladionPosted on 2008-03-30 at 14:03:49ID: 21241936

Ok - since I have turned off Safe Sleep, this problem hasn't occurred.

Here is how to do it:

I entered this command at the terminal to change the safesleep mode to 0, and I haven't had the same problem so far....

This command allows you to see what mode you are in...

Code:
pmset -g | grep hibernatemode

This command changes it to NO SafeSleep

Code:
sudo pmset -a hibernatemode 0

 

by: pheidiusPosted on 2008-04-06 at 13:47:26ID: 21293094

no objection here

20120131-EE-VQP-002

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