Power & battery
Power & battery
Get the most out of your laptop battery
Tips such as "Do not let the battery charge get too low"
How do I hibernate my computer?
Hibernate is disabled by default since it's not well supported.
Log out, power off, switch users
Learn how to leave your user account, by logging out, switching users, and so on.
Use less power and improve battery life
Tips to reduce the power consumption of your computer.
What happens when I suspend my computer?
Suspend sends your computer to sleep so it uses less power.
Why does my computer turn off when I close the lid?
Laptops go to sleep when you close the lid, in order to save power.
Battery settings
The estimated battery life is wrong
The battery life displayed when you click on the battery icon is an estimate.
Why did my computer turn off/hibernate when the battery got to 10%?
Allowing the battery to completely discharge is bad for it.
Why do I have less battery life than I did on Windows/Mac OS?
Tweaks from the manufacturer and differing battery life estimates may be the cause of this problem.
Why does my screen go dim after a while?
When your laptop is running on battery, the screen will dim when the computer is idle in order to save power.
Why is my laptop slow when it is on battery?
Some laptops intentionally slow down when they are running on battery.
Problems
I have no wireless network when I wake up my computer
Some wireless devices have problems handling when your computer is suspended and does not resume properly.
Computers usually get warm, but if they get too hot they can overheat, which can be damaging.
Loose cables and hardware problems are possible reasons.
The laptop fan is always running
Some fan-control software could be missing, or your laptop may be running hot.
Why does my computer not turn back on after I suspended it?
Some computer hardware causes problems with suspend or hibernate.
Will my computer work with a power supply in another country?
Your computer will work, but you might need a different power cable or a travel adapter.
