Strange screen behaviour waking after sleep

[Mike Murray]

Hi wamuggers

For a few weeks now (starting before I upgraded to 10.15), when I wake my iMac 
from sleep it comes alive normally, then goes black for about 2-3 secs then 
lights up again, very bright, then gradually fades back to the normal 
brightness setting.

After looking at various forums I have:
uninstalled and discarded all evidence of Google Chrome 
reset the PMC 
reset the NVRAM (Command opt P R)
Any suggestions? Is this a hard disk failure pre-announcing itself? (Backups 
working happily)

iMac 27in, late 2013, Catalina 10.15.2

Cheers
Mike


Mike Murray and Lesley Silvester
TimeTrackers
PO Box 197
Melville, 6956
Western Australia

Tel (08) 9339 8078
International +618 9339 8078
Mob 0407 669 376

British and Australian genealogical and historical research, 
education, publishing, film-making and DNA consulting

www.timetrackers.com.au







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Re: Not waking

[Ronda Brown]

Hi Peter,

If your MacBook Pro won't wake when you open the lid, or you press any key, or 
mouse click.
Have you Reset the System Management Controller (SMC)?

Reset SMC on MacBook Pro (early 2009 and later )

Note: Portable computers that have a battery you should not remove on your own 
include MacBook Pro (Early 2009) and later, all models of MacBook Air, and 
MacBook (Late 2009).

1.  Shut down the computer.

2. Plug in the MagSafe power adapter to a power source, connecting it to the 
Mac if its not already connected.

3. On the built-in keyboard, press the (left side) Shift-Control-Option keys 
and the power button at the same time.

4. Release all the keys and the power button at the same time.

5. Press the power button to turn on the computer.  

Note: The LED on the MagSafe power adapter may change states or temporarily 
turn off when you reset the SMC.

http://support.apple.com/kb/HT3964


Cheers,
Ronni

17 MacBook Pro 2.3GHz Quad-Core i7 “Thunderbolt
2.3GHz / 8GB / 750GB @ 7200rpm HD

OS X 10.7.4 Lion
Windows 7 Ultimate (under sufferance)


On 12/06/2012, at 4:22 PM, Curtis Peter wrote:

 Hi Everyone
 Thanks for all the info on this. I've checked the Firmware updates as you 
 suggested Ronni but don't need it.
 The other suggestions I'll try as required and report back.
 Once again, many thanks.
 Regards
 Peter
 
 On 10/06/2012, at 12:53 PM, Ronda Brown wrote:
 
 Hi Peter,
 
 Have you checked if a EFI and SMC Firmware update is available for your 
 MacBook Pro?
 Some firmware updates for Intel-based Macs may not be displayed 
 automatically using Software Update.
 
 Check your computer's EFI Boot ROM or SMC firmware version.
 
 1.  From the Apple () menu, choose About This Mac.
 2.  Click More Info.
 3.  For OS X Lion, click 'System Report'
 4.  Open the Hardware section to reveal Model Identifier, Boot ROM version, 
 and SMC version numbers.
   The version information is in the pane on the right
 
 This Apple Support document will then show you if there is a Firmware Update 
 available for your model MBP.
 Check the Table shown at this link:   http://support.apple.com/kb/HT1237
 
 Note: In some cases System Profiler may report later versions of firmware 
 than those listed below; if this is the case, your computer does not require 
 any additional firmware updates. If your firmware version is lower than the 
 one listed in this table, you should upgrade by following the link provided.
 
 
 Cheers,
 Ronni
 
 17 MacBook Pro 2.3GHz Quad-Core i7 “Thunderbolt
 2.3GHz / 8GB / 750GB @ 7200rpm HD
 
 OS X 10.7.4 Lion
 Windows 7 Ultimate (under sufferance)
 
 
 On 10/06/2012, at 11:17 AM, Curtis Peter wrote:
 
 Hi everyone
 Over the last couple of months my MacBook Pro (10.7.4) has occasionally 
 refused to wake up! Nothing I can do will open the screen and I end up 
 shutting the computer down and restarting to proceed. 
 Is there anything I can do to resolve this?
 Is this anything to be concerned about?
 I have run DiskWarrior.
 Regards
 Peter
 

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Re: Not waking

[Curtis Peter]

Hi Everyone
Thanks for all the info on this. I've checked the Firmware updates as you 
suggested Ronni but don't need it.
The other suggestions I'll try as required and report back.
Once again, many thanks.
Regards
Peter

On 10/06/2012, at 12:53 PM, Ronda Brown wrote:

 Hi Peter,
 
 Have you checked if a EFI and SMC Firmware update is available for your 
 MacBook Pro?
 Some firmware updates for Intel-based Macs may not be displayed automatically 
 using Software Update.
 
 Check your computer's EFI Boot ROM or SMC firmware version.
 
 1.  From the Apple () menu, choose About This Mac.
 2.  Click More Info.
 3.  For OS X Lion, click 'System Report'
 4.  Open the Hardware section to reveal Model Identifier, Boot ROM version, 
 and SMC version numbers.
The version information is in the pane on the right
 
 This Apple Support document will then show you if there is a Firmware Update 
 available for your model MBP.
 Check the Table shown at this link:   http://support.apple.com/kb/HT1237
 
 Note: In some cases System Profiler may report later versions of firmware 
 than those listed below; if this is the case, your computer does not require 
 any additional firmware updates. If your firmware version is lower than the 
 one listed in this table, you should upgrade by following the link provided.
 
 
 Cheers,
 Ronni
 
 17 MacBook Pro 2.3GHz Quad-Core i7 “Thunderbolt
 2.3GHz / 8GB / 750GB @ 7200rpm HD
 
 OS X 10.7.4 Lion
 Windows 7 Ultimate (under sufferance)
 
 
 On 10/06/2012, at 11:17 AM, Curtis Peter wrote:
 
 Hi everyone
 Over the last couple of months my MacBook Pro (10.7.4) has occasionally 
 refused to wake up! Nothing I can do will open the screen and I end up 
 shutting the computer down and restarting to proceed. 
 Is there anything I can do to resolve this?
 Is this anything to be concerned about?
 I have run DiskWarrior.
 Regards
 Peter
 
 -- The WA Macintosh User Group Mailing List --
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Re: Not waking

[Reg Whitely]

Hi Peter

Mine does that too sometimes. It seems to go into a deep sleep or coma. I can 
usually wake it by pressing the power button for a few seconds until it asks me 
if I want to restart it, or I press the screen brightness key (whatever it's 
called - *F2) and it springs back into life. Maybe it's some esoteric Lion 
characteristic?

Regards, Reg

Reg Whitely

Home: 08 9921 7272
Mob: 04 8899 7313
Email: rwhit...@internode.on.net



On 10/06/2012, at 11:17 am, Curtis Peter wrote:

 Hi everyone
 Over the last couple of months my MacBook Pro (10.7.4) has occasionally 
 refused to wake up! Nothing I can do will open the screen and I end up 
 shutting the computer down and restarting to proceed. 
 Is there anything I can do to resolve this?
 Is this anything to be concerned about?
 I have run DiskWarrior.
 Regards
 Peter
 -- The WA Macintosh User Group Mailing List --
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Not waking

[Curtis Peter]

Hi everyone
Over the last couple of months my MacBook Pro (10.7.4) has occasionally refused 
to wake up! Nothing I can do will open the screen and I end up shutting the 
computer down and restarting to proceed. 
Is there anything I can do to resolve this?
Is this anything to be concerned about?
I have run DiskWarrior.
Regards
Peter
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Re: Not waking

[Peter Sealy]

I suggest first resetting the System Management Controller which is the 
software which controls the sleep function. Very easy to do. Look at Apple 
Support article HT3964.

HTH

.

Peter Sealy
Thurgoona AUSTRALIA

I intend to live forever - so far so good.






On 10/06/2012, at 1:17 PM, Curtis Peter wrote:

 Hi everyone
 Over the last couple of months my MacBook Pro (10.7.4) has occasionally 
 refused to wake up! Nothing I can do will open the screen and I end up 
 shutting the computer down and restarting to proceed. 
 Is there anything I can do to resolve this?
 Is this anything to be concerned about?
 I have run DiskWarrior.
 Regards
 Peter
 -- The WA Macintosh User Group Mailing List --
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 Guidelines - http://www.wamug.org.au/mailinglist/guidelines.shtml
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 http://lists.wamug.org.au/listinfo/wamug.org.au-wamug

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Re: Not waking

[James / Hans Kunz]

did you try just to close the lid, watching for the standby light to show 
breathing then open again  wait a few seconds.
i have to do that when the screen goes blank
James

SAD Technic
U3 6 Chalkley Pl
Bayswater WA
Australia
+618 9370 5307
mob 0414 421132 (international +614 14421132)
sad...@iinet.net.au
http://www.members.iinet.net.au/~saddas/

Patience and perseverance have a magical effect before which difficulties 
disappear and obstacles vanish.

On 10/06/2012, at 11:17 AM, Curtis Peter wrote:

 Hi everyone
 Over the last couple of months my MacBook Pro (10.7.4) has occasionally 
 refused to wake up! Nothing I can do will open the screen and I end up 
 shutting the computer down and restarting to proceed. 
 Is there anything I can do to resolve this?
 Is this anything to be concerned about?
 I have run DiskWarrior.
 Regards
 Peter
 -- The WA Macintosh User Group Mailing List --
 Archives - http://www.wamug.org.au/mailinglist/archives.shtml
 Guidelines - http://www.wamug.org.au/mailinglist/guidelines.shtml
 Settings  Unsubscribe - 
 http://lists.wamug.org.au/listinfo/wamug.org.au-wamug

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Re: Not waking

[Ronda Brown]

Hi Peter,

Have you checked if a EFI and SMC Firmware update is available for your MacBook 
Pro?
Some firmware updates for Intel-based Macs may not be displayed automatically 
using Software Update.

Check your computer's EFI Boot ROM or SMC firmware version.

1.  From the Apple () menu, choose About This Mac.
2.  Click More Info.
3.  For OS X Lion, click 'System Report'
4.  Open the Hardware section to reveal Model Identifier, Boot ROM version, and 
SMC version numbers.
The version information is in the pane on the right

This Apple Support document will then show you if there is a Firmware Update 
available for your model MBP.
Check the Table shown at this link:   http://support.apple.com/kb/HT1237

Note: In some cases System Profiler may report later versions of firmware than 
those listed below; if this is the case, your computer does not require any 
additional firmware updates. If your firmware version is lower than the one 
listed in this table, you should upgrade by following the link provided.


Cheers,
Ronni

17 MacBook Pro 2.3GHz Quad-Core i7 “Thunderbolt
2.3GHz / 8GB / 750GB @ 7200rpm HD

OS X 10.7.4 Lion
Windows 7 Ultimate (under sufferance)


On 10/06/2012, at 11:17 AM, Curtis Peter wrote:

 Hi everyone
 Over the last couple of months my MacBook Pro (10.7.4) has occasionally 
 refused to wake up! Nothing I can do will open the screen and I end up 
 shutting the computer down and restarting to proceed. 
 Is there anything I can do to resolve this?
 Is this anything to be concerned about?
 I have run DiskWarrior.
 Regards
 Peter

-- The WA Macintosh User Group Mailing List --
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Waking my MacBook Pro from sleep

[Ian Reid]

Good evening All

When I wake my MacBook Pro from sleep and move the cursor, it leaves a trail of 
small grey 7 mm squares, separate, if quick movement, overlapping, if slow. It 
is no big deal, I just scribble enough to expose the admin icon and place for 
the password, enter the latter and the screen returns as it was. I have not 
read anything of this happening with Lion.

Until recently it only happened if I was lazy enough to allow the computer to 
put itself to sleep (15 minutes) but now it happens every time after sleep. As 
I have said, no big deal, just interesting.

Ian Reid
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Re: Waking my MacBook Pro from sleep

[Ronda Brown]

Hi Ian,

I think what you are seeing is happening because you have dragged the cursor 
before the computer is fully awake, therefore you see a grey square.
Give it a little more time for the system to fully wake before you drag the 
cursor.

Cheers,
Ronni

Sent from Ronni's iPad

On 16/04/2012, at 9:21 PM, Ian Reid ianre...@westnet.com.au wrote:

 Good evening All
 
 When I wake my MacBook Pro from sleep and move the cursor, it leaves a trail 
 of small grey 7 mm squares, separate, if quick movement, overlapping, if 
 slow. It is no big deal, I just scribble enough to expose the admin icon 
 and place for the password, enter the latter and the screen returns as it 
 was. I have not read anything of this happening with Lion.
 
 Until recently it only happened if I was lazy enough to allow the computer to 
 put itself to sleep (15 minutes) but now it happens every time after sleep. 
 As I have said, no big deal, just interesting.
 
 Ian Reid
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greyscreen when waking

[Rosemary Horton]

Sometimes when my computer is asleep it half wakes up to a screen  
where I can see what's on it but it's all greyed out and dim, and I  
can't do anything. It has a bar across the bottom with solid bars hat  
very slowly fill, then screen becomes active. I've tried pressing the  
trackpad, etc


Very weird anybody any ideas?



Macbook pro 2.16 GHz Intel Core 2 Duo, running Mac os x 10.5.5

Rosemary Horton
[EMAIL PROTECTED]




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Re: greyscreen when waking

[Martin Hill]

The white progress bar means your MacBook is coming out of Deep Sleep.

This usually happens if the laptop battery goes flat while asleep.

When you put recent Mac laptops to sleep, it takes a little while  
writing the contents of RAM to disk to a file called sleep image.   
Then if the battery level gets too low while asleep the laptop flushes  
the RAM and turns off. Then when you plug back into the mains and  
start it up, the Mac loads the contents of the sleep image back off  
disk into RAM again - that is what is happening when you see the  
greyed out screen and white progress bar.


-Mart

On 28/10/2008, at 8:14 PM, Rosemary Horton wrote:

Sometimes when my computer is asleep it half wakes up to a screen  
where I can see what's on it but it's all greyed out and dim, and I  
can't do anything. It has a bar across the bottom with solid bars  
hat very slowly fill, then screen becomes active. I've tried  
pressing the trackpad, etc


Very weird anybody any ideas?



Macbook pro 2.16 GHz Intel Core 2 Duo, running Mac os x 10.5.5

Rosemary Horton
[EMAIL PROTECTED]




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Martin Hill
[EMAIL PROTECTED]




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Re: greyscreen when waking

[Kyle Kreusch]

Hi Martin and Rosemary

Martin you Beat me to it I thought I'd also mention there is a great
dashboard widget That can let you use this feature

Use it on my iMac all the time it is very handy if you need to move
the computer to Another room with out shutting it down

Deep Sleep - Dashboard Widget http://deepsleep.free.fr/

Kyle

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Re: greyscreen when waking

[Martin Hill]

Another option is SmartSleep which is a system preference pane rather  
than a Dashboard widget:


http://www.jinx.de/SmartSleep.html

I actually often turn off Deep Sleep most of the time as I get  
frustrated waiting 10-20 seconds for the Mac to write the Sleep image  
every time the Mac goes to sleep.  If you grab the Mac and sling it  
into your laptop carry bag while it is writing the sleep image, it can  
cause head crashes.  It also means you can't instantly wake the Mac  
back up again if your Mac goes to sleep accidentally.  :-)


-Mart

On 28/10/2008, at 8:35 PM, Kyle Kreusch wrote:


Hi Martin and Rosemary

Martin you Beat me to it I thought I'd also mention there is a great
dashboard widget That can let you use this feature

Use it on my iMac all the time it is very handy if you need to move
the computer to Another room with out shutting it down

Deep Sleep - Dashboard Widget http://deepsleep.free.fr/

Kyle

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Martin Hill
[EMAIL PROTECTED]




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Re: greyscreen when waking

[Rosemary Horton]

Do you need one of these to turn off deep sleep?

Rosemary Horton
[EMAIL PROTECTED]



On 28/10/2008, at 9:05 PM, Martin Hill wrote:

Another option is SmartSleep which is a system preference pane  
rather than a Dashboard widget:


http://www.jinx.de/SmartSleep.html

I actually often turn off Deep Sleep most of the time as I get  
frustrated waiting 10-20 seconds for the Mac to write the Sleep  
image every time the Mac goes to sleep.  If you grab the Mac and  
sling it into your laptop carry bag while it is writing the sleep  
image, it can cause head crashes.  It also means you can't instantly  
wake the Mac back up again if your Mac goes to sleep  
accidentally.  :-)


-Mart

On 28/10/2008, at 8:35 PM, Kyle Kreusch wrote:


Hi Martin and Rosemary

Martin you Beat me to it I thought I'd also mention there is a great
dashboard widget That can let you use this feature

Use it on my iMac all the time it is very handy if you need to move
the computer to Another room with out shutting it down

Deep Sleep - Dashboard Widget http://deepsleep.free.fr/

Kyle

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Martin Hill
[EMAIL PROTECTED]




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Re: greyscreen when waking

[Kyle Kreusch]

Hi Rosemary

No it can be done through the Terminal. But it would be easier to do
it in One of the applications above


Kyle

On Tue, Oct 28, 2008 at 9:11 PM, Rosemary Horton
[EMAIL PROTECTED] wrote:
 Do you need one of these to turn off deep sleep?

 Rosemary Horton
 [EMAIL PROTECTED]



 On 28/10/2008, at 9:05 PM, Martin Hill wrote:

 Another option is SmartSleep which is a system preference pane rather than
 a Dashboard widget:

 http://www.jinx.de/SmartSleep.html

 I actually often turn off Deep Sleep most of the time as I get frustrated
 waiting 10-20 seconds for the Mac to write the Sleep image every time the
 Mac goes to sleep.  If you grab the Mac and sling it into your laptop carry
 bag while it is writing the sleep image, it can cause head crashes.  It also
 means you can't instantly wake the Mac back up again if your Mac goes to
 sleep accidentally.  :-)

 -Mart

 On 28/10/2008, at 8:35 PM, Kyle Kreusch wrote:

 Hi Martin and Rosemary

 Martin you Beat me to it I thought I'd also mention there is a great
 dashboard widget That can let you use this feature

 Use it on my iMac all the time it is very handy if you need to move
 the computer to Another room with out shutting it down

 Deep Sleep - Dashboard Widget http://deepsleep.free.fr/

 Kyle

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 Martin Hill
 [EMAIL PROTECTED]




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Re: greyscreen when waking

[Martin Hill]

On 28/10/2008, at 9:11 PM, Rosemary Horton wrote:


Do you need one of these to turn off deep sleep?


Apple has a tip about putting your computer into sleep mode very fast  
which avoids making a Deep Sleep image:


http://www.apple.com/pro/tips/quicksleep.html

Just press Command-Option and then hold the Eject button for about 2  
seconds



Also, another option for turning off Deep sleep permanently (as long  
as you don't change Energy Saver profiles that is) is to type the  
following commands into Terminal:

$ sudo pmset -a hibernatemode 0
$ sudo nvram use-nvramrc?=false
When done, restart your computer. Then go delete the file //private/ 
var/vm/sleepimage if you want to free up the several gigabytes used  
up by the sleepimage file (up to 4GB in size if you have 4GB of RAM  
for example).


More info here:  http://www.macosxhints.com/article.php?story=20070302210328928

-Mart



Rosemary Horton
[EMAIL PROTECTED]



On 28/10/2008, at 9:05 PM, Martin Hill wrote:

Another option is SmartSleep which is a system preference pane  
rather than a Dashboard widget:


http://www.jinx.de/SmartSleep.html

I actually often turn off Deep Sleep most of the time as I get  
frustrated waiting 10-20 seconds for the Mac to write the Sleep  
image every time the Mac goes to sleep.  If you grab the Mac and  
sling it into your laptop carry bag while it is writing the sleep  
image, it can cause head crashes.  It also means you can't  
instantly wake the Mac back up again if your Mac goes to sleep  
accidentally.  :-)


-Mart

On 28/10/2008, at 8:35 PM, Kyle Kreusch wrote:


Hi Martin and Rosemary

Martin you Beat me to it I thought I'd also mention there is a great
dashboard widget That can let you use this feature

Use it on my iMac all the time it is very handy if you need to move
the computer to Another room with out shutting it down

Deep Sleep - Dashboard Widget http://deepsleep.free.fr/

Kyle

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Martin Hill
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Martin Hill
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Keeps waking up

[Severin Crisp]

My G4/400 on OSX10.3.3 keeps waking from deep sleep for no obvious 
reason.  I am on ADSL so something may come in from there but there may 
be other background processes going on that I am not aware of.

Is there a log file somewhere that allows me to track the activity?
Activity Monitor gives much information but not logged as to time and I 
can see nothing suspicious there.

Comments welcomed
Severin Crisp
___
 Assoc Professor R Severin Crisp, FIP, CPhys, FAIP
   15 Thomas St, Mount Clarence, Albany, 6330, Western Australia.
Phone  (08) 9842 1950   (Int'l +61 8 9842 1950)
email  mailto:[EMAIL PROTECTED]
 Web pages http://www.JennyCrisp.com.au
  http://members.westnet.com.au/Crisp