I recently acquired a Lecoo Pro 14 laptop (N155A, Lenovo sub-brand) with Windows 11.
However, I realized that Windows 11 seems to default to standby mode (S0) instead of the sleep mode (S3).
After reading carefully, I disabled S0 mode through the Windows Regedit, but S3 mode didn’t activate on its own.
Then I learned that S3 can be enabled through the BIOS.
After reading some topics, I found the ACPI Sleep State setting in the BIOS and switched it to S3 (Suspend to RAM). I saved it.
But when I rebooted laptop, nothing changed.
I realized that for some reason, the BIOS wasn’t saving this setting.
I tried to save it several times in the BIOS, trying different ways, but it doesn’t work.
Do you have any ideas on how to work with BIOS to make sleep mode work?
BIOS Screenshots:
