Keyboard back light does not turn on about macosx-nosleep-extension

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Cannot reproduce:( do you still have the issue?

Original comment by [email protected] on 23 Apr 2012 at 10:16

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Original comment by [email protected] on 23 Apr 2012 at 10:32

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I do still have this issue.  I should have noted before that FileVault is in 
use.  The computer must be restarted to relight the keyboard.

Original comment by [email protected] on 23 Apr 2012 at 3:34

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Hitting F5/F6 turn the keyboard backlight back on for me.

Original comment by [email protected] on 26 Jun 2012 at 11:40

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I have seen this too under 10.7.5 on a Mid 2011 MBA 11", pushing either F5 or 
F6 brings the backlight back on. However this seems to be related to the 
automatic control of the Keyboard backlight and not related specifically to the 
extension.

I suspect but have not been able to confirm that all "Ambient Light Sensor" 
functions are impaired (ie things that use the iSight camera to determine how 
dark the room is)

Original comment by [email protected] on 20 Oct 2012 at 7:18

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Well that was dumb of me, used the LED on my iPhone to test, it's not 
refreshing properly when the screen comes back on, applying any change in light 
to the sensor that would trigger a change in the level causes the backlight for 
the keyboard to snap back.

Also can confirm (on AC at least) that the Ambient Light Sensor itself is 
working properly on Lid Open but not the automated controls, they seem to 
activate but not make changes until there is a shift in the light level.

Original comment by [email protected] on 20 Oct 2012 at 7:22

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Yes, I am finding exactly the same probelms as noted above.

I did not see it for the first few months of use.  Perhaps a few roundabout OSX 
updates changed this.

Original comment by [email protected] on 11 Oct 2013 at 7:01

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Confirming this in Mountain Lion with 1.3.3, will post again if behaviour is 
noticed in Mavericks.

Original comment by [email protected] on 24 Oct 2013 at 3:39

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I have this issue for some time on Mavericks

Original comment by [email protected] on 21 Jun 2014 at 2:09