wake from sleep issue

[Mahmoud2938]

wake from sleep cause blank screen display is turned off but the system is running correctly
how to solve that ?
my spec:
Lenovo z51 laptop
Mojave os
intel graphics hd 5500
info system below

 

[Gobol]

Aint it backlight-last-saved-brightness problem? Have you tried increase screen brightness?

 

[Mahmoud2938]

I tried increase brightness
Light increase but in black screen
No image, no display
So, I must restart or power off .

 

[RehabMan]

wake from sleep cause blank screen display is turned off but the system is running correctly
how to solve that ?
my spec:
Lenovo z51 laptop
Mojave os
intel graphics hd 5500
info system below

No "Problem Reporting" files attached.
Read FAQ, "Problem Reporting" again. Carefully. Attach all requested files/output.
https://www.tonymacx86.com/threads/faq-read-first-laptop-frequent-questions.164990/
Use the gen_debug.sh tool mentioned in the FAQ, that way it is less likely you'll omit something.