Below you will find pages that utilize the taxonomy term “lenovo”
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Enable Hibernation for Lenovo Z500 on Ubuntu 12.04
Using Terminal add this file:
sudo gedit /etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla This:
[Re-enable hibernate by default] Identity=unix-user:* Action=org.freedesktop.upower.hibernate ResultActive=yes Save & reboot
Source
Blog
Hotkeys (special keys) Volume/Brightness Controls Don't Work After Suspend
What seems to solve this problem on Ubuntu 12.04 LTS (Lenovo Z500):
Open this file:
sudo gedit /etc/default/grub Modify the line as this:
GRUB_CMDLINE_LINUX="noapic" Close it and run the following:
sudo update-grub Restart your computer
Source
Blog
Suspend Laptop When Lid Closed Ubuntu 12.04 LTS in Lenovo Z500
I guess this is a bug. Although suspend is set in Power settings, it doesn’t suspend the laptop when its lid is closed.
To solve it, I’ve found a workaround on web. Here is how you implement it:
Generate folder if it’s not present:
sudo mkdir /etc/acpi/local Set its permissions:
sudo chmod 755 /etc/acpi/local Generate the script:
sudo gedit /etc/acpi/local/lid.sh.post Copy-paste the following:
#!/bin/bash grep -q closed /proc/acpi/button/lid/*/state if [ $?