You can also try to use s3 (deep) instead of s2idle: echo deep | sudo tee /sys/power/mem_sleep
to change back, simply reboot or "echo s2idle | sudo tee /sys/power/mem_sleep"
You can also try to use s3 (deep) instead of s2idle: echo deep | sudo tee /sys/power/ mem_sleep
to change back, simply reboot or "echo s2idle | sudo tee /sys/power/ mem_sleep"