Power & battery

Get the most out of your laptop battery — Tips such as "Don't let the battery charge get too low"

Use less power and improve battery life — Tips to reduce your computer's power consumption.

What happens when I suspend or hibernate the computer? — Suspend sends it to sleep; hibernate saves your files but completely switches off the 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

It says X minutes of battery remaining, but that's not true — The battery life that is displayed is only 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's on battery? — Some laptops intentionally slow down when they are running on battery.

Problems

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Hardware problems

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Hardware & drivers — Hardware problems, printers, power settings, color management, Bluetooth, disks...
User & system settings — Keyboard, mouse, display, languages, user accounts...