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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Notebooks > Sleep light turns all the way off

Sleep light turns all the way off
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Velocity211
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Nov 25, 2006, 08:45 PM
 
My powerbook's sleep light turns all the way off when it...sleeps. Usually the light pulsates, from bright to dim, but now, it goes from bright to off. It isn't really a problem for me but I'm just wondering why it does this.
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analogika
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Nov 25, 2006, 09:00 PM
 
mine does too - black Macbook Core 2 Duo. Normal.
     
Velocity211  (op)
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Nov 25, 2006, 09:58 PM
 
well maybe for the new intel macs they're normal. But my Powerbooks (Pismo, Ti, and Al) don't do it. Maybe an update did it?
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cbrfanatic
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Nov 25, 2006, 11:13 PM
 
no, i dont think it should. I have a 15" 1.67 i bought in august of 2005. i have the most recent updates. I dont know why it could be doing this, but im just letting you know that it should not.
     
osiris
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Nov 26, 2006, 03:32 AM
 
I haven't figured it out yet. Sometimes it pulses or just stays dim during sleep. When it's plugged in, sometimes the light is on, sometimes not.
Must be a random generator thingy to entertain us.
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harrisjamieh
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Nov 26, 2006, 06:10 AM
 
My iMacs sleep light pulses all the way off, then on, then all the way off etc.

My MacBook CD gets brighter/dimmer/brighter/dimmer, without ever dimming all the way off. My iBook G4 was the same as the MacBook
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HeldUp
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Nov 27, 2006, 02:30 AM
 
My screen saver NEVER would turn on. Sleep started within a minute of non-activity, then went black after five. I finally figured out how to adjust this.
     
Simon
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Nov 27, 2006, 03:52 AM
 
When my MBP pulsates it dims down, but never turns the LED fully off. My MB's LED actually goes off when it pulsates.
     
tooki
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Nov 27, 2006, 08:43 PM
 
Originally Posted by osiris View Post
I haven't figured it out yet. Sometimes it pulses or just stays dim during sleep. When it's plugged in, sometimes the light is on, sometimes not.
Must be a random generator thingy to entertain us.
No. The light should never be on while the unit is on and awake, and it should never stop throbbing when it's asleep.

What you might be noticing, though, is that the brightness of the throbbing light depends on whether the lid is open or closed. (I forget which state makes it throb brighter.)

tooki
     
Simon
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Nov 28, 2006, 08:43 AM
 
No. The light should never be on while the unit is on and awake, and it should never stop throbbing when it's asleep.
Not true on a MB or MBP.

If it is on and awake but
• has a sleeping display
• is running in closed-lid mode
it will show a light to let you know it's in fact on.

If it is sleeping and the power & battery have been removed (SafeSleep activated), the sleep light will stop throbbing.
( Last edited by Simon; Nov 28, 2006 at 08:53 AM. )
     
osiris
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Nov 28, 2006, 10:09 AM
 
Originally Posted by tooki View Post
No. The light should never be on while the unit is on and awake, and it should never stop throbbing when it's asleep.

What you might be noticing, though, is that the brightness of the throbbing light depends on whether the lid is open or closed. (I forget which state makes it throb brighter.)

tooki

No. It does what I said it does. I can't figure it out.

EDIT: the lid is always open; but when closed it does pulse brighter.
( Last edited by osiris; Nov 28, 2006 at 10:41 AM. Reason: edit: the lid is always open.)
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