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Blank screen after sleep

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As title, my laptop got blank screen after wakeup from sleep mode.
Anyone got this problem? :eek:
 
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RehabMan

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As title, my laptop got blank screen after wakeup from sleep mode.
Anyone got this problem? :eek:

Is it just a brightness issue? (perhaps you're not running the latest ACPIBacklight.kext)
 

RehabMan

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Tried sudo pmset -a hibernatemode 0, hope this can fixed this bug.
This problem not
usually, just some time, maybe sleep a long time.

Hibernate is not supported and should always be disabled.

You didn't mention there was a problem only with "long" sleep in your OP.
 
Joined
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Motherboard
HP ProBook 4430s
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i3 - 2330M
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HD3000
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Classic Mac
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Hibernate is not supported and should always be disabled.

You didn't mention there was a problem only with "long" sleep in your OP.
Im not sure, just assume.
Other question, first time, i followed 2a way and have Recovery partition. Then i clean my hardisk, format to one partition then using 2b way to install Yosemite on it. And now, Recovery partition still exist :crazy:
 
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