Windows 8.1 can't be manually/automatically sleep, or sleep can't wake up

  
Symptom:
Upgrading Windows 8.1 can't manually or automatically sleep, or sleep can't wake up, turn off mixed sleep.
Solution:
Control Panel---Hardware and Sound---Power Options---Balance Right Change Plan Settings (or select your own selected mode change)---Change Advanced Power Settings--- Sleep---Allow mixed sleep---Close---Save.



Copyright © Windows knowledge All Rights Reserved