Blank screen after sleep

[nhieu9200]

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

 

[nguyenmac]

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

Press F3 to turn up brightness.

 

[RehabMan]

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

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

 

[nhieu9200]

Press F3 to turn up brightness.

Its not work, press F3 get more brightness but still blank.

 

[RehabMan]

Its not work, press F3 get more brightness but still blank.

Did you follow the guide?

http://www.tonymacx86.com/hp-proboo...-install-yosemite-hp-laptops-clover-uefi.html

 

[nhieu9200]

Did you follow the guide?

http://www.tonymacx86.com/hp-proboo...-install-yosemite-hp-laptops-clover-uefi.html

Yes, completely

 

[nhieu9200]

Did you follow the guide?

http://www.tonymacx86.com/hp-proboo...-install-yosemite-hp-laptops-clover-uefi.html

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

 

[RehabMan]

Yes, completely

How recently? Have you done a fresh install lately?

 

[RehabMan]

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.

 

[nhieu9200]

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