There is usually an entry what application caused the suspension to fail: Freezing of tasks failed after 20.01 seconds (1 tasks refusing to freeze, wq_busy=0): To Troubleshoot the hibernate/suspend mode you should type following command in terminal : dmesg|less Then run : sudo service systemd-logind restart Open the /etc/systemd/nf file in a text editor as root, for example, sudo nano /etc/systemd/nfĬhange this line : #HandleLidSwitch=ignoreĪlternately you can also add this line, but i prefer the first one : HandleLidSwitchDocked=suspend
