In Windows Vista I can switch off via power management: PCI Express Modem port Optical DVD drive
Via network connection I disable: Blutooth
How can I do similar in Lubuntu? Under Power Manager I don't have the options.
It would be good to have a GUI manager for this.
Improve Power Usage / Battery Life In Linux With TLP, I been using TLP from 3 to 4 weeks and My laptop is running 4 to 5 Deg cooler than windows 7/8, so here the tlp installation and configuration
sudo add-apt-repository ppa:linrunner/tlp
sudo apt-get update
sudo apt-get install tlp tlp-rdw smartmontools ethtool
Configuration
sudo update-rc.d -f ondemand remove
The main config file of TLP is at /etc/default/tlp
sudo gedit /etc/default/tlp
Go to cpu frequency Section and and uncomment the following lines add the following config.
CPU_SCALING_GOVERNOR_ON_AC=conservative
CPU_SCALING_GOVERNOR_ON_BAT=conservative
Next Section Set the cpu "turbo boost", uncomment if commented
CPU_BOOST_ON_AC=1
CPU_BOOST_ON_BAT=0
Next Section Radeon graphics clock speed, comment it if you not using Radeon graphics
#RADEON_POWER_PROFILE_ON_AC=high
#RADEON_POWER_PROFILE_ON_BAT=low
Next Section optical drive
BAY_POWEROFF_ON_BAT=1
Next Section PM for all pci(e) bus devices, Warning: experimental option, could cause system instabilities..But i found no problem just you have to put usb 2 devices in usb 2 port and usb 3 devices in usb 3 port
RUNTIME_PM_ALL=1
Some times my usb mouse dongle didn't work when i plug it in usb 3 port, work fine when i plug it in usb 2 port, and all my usb 3 devices are working properly no issue.
Save & Exit
You can also configure Devices to Disable on startup etc, there is very good help in config file.
I have an error that my Blue tooth device is not Disabled on start up, so if you face this problem just do the following config
sudo nano /etc/rc.local
And add the following line before exit 0
rfkill block bluetooth
Save & Exit & Reboot
Optional
Install indicator-cpufreq that help you alot Changing freq
sudo apt-get install indicator-cpufreq
Go to Dash > search startup > edit indicator-cpufreq add -f or copy paste the following command
indicator-cpufreq -f
this will let you see what Freq you are running.
Done
Optional
PowerSavingTweaks Intel Graphics
sudo nano /etc/default/grub
change:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
to:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i915.lvds_downclock=1 drm.vblankoffdelay=1"
and run:
sudo update-grub
Done Reboot
You do not need other tweaks as they are already added by defaults.
Check you TLP Stat
sudo tlp-stat
Check You System temperature
sudo tlp-stat -t
