Windows 10: Laptop fails to get into sleep

I have an Acer Aspire 7 A715-72G-76IK. Sometimes when I click sleep, the screen turns dark but the fan will start spinning at high speed and the light is still blue supposed to be orange. Does anyone know what is the culprit and how to solve it? Thanks in advance.

:)

 

Hibernating laptop changes to sleep behaviour after Windows 10 May 2019 update

Hi Aditya,

Thank you for your reply. I have tried the two steps (turning of Hybrid sleep and Fast startup) you suggested but to no avail. Okay, for your two questions:

1. My laptop is a HP Pavilion 14-bf101tx, and currently running Windows 10 1903 (upgrading from 1809).
2. Nope. No error messages. I suppose the boot process was successful, however, my battery was reduced. That's why I suggest the post title as "Hibernating changes to sleep behaviour" because the battery level reduction looks like sleep behaviour.

Please inform me of any diagnostics information you might need. Thank you for your kind assistance.

 

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Why won't my laptop *sleep* anymore?

1) change the power options like the others suggested. Settings/System/Power & sleep/Additional power settings. Try programming the power button tap or lid close options to Sleep and Test. Screenshots here






2) if this fails, test turning Hibernation to Off by opening command prompt or powershell (admin) {don't worry, this is easily reversible}. Type powercfg -h off then Enter.
Confirm by going back to the 'additional power options screen and Hibernate will not be there anymore, like on my system screenshot above where I've had it off for years to disable Fast startup.
Try Sleep now (or better yet, after a reboot). If fixed, great. If not and you actually use Hibernate, simply replace off with on in the command prompt. Good Luck