How-To Geek

Sleep Mode

Sleep mode, or standby, is power-saving state employed by both computers and mobile devices. While in sleep mode, a device will partially power down components and peripherals to save power, but will leave the core systems operational so that the user may get back to work as quickly as possible.

When Windows enters sleep mode, for example, it will turn off the computer monitors, spin down the hard disks, and switch the CPU to a low-power state. The RAM is still active, the operating system is still running, and as soon as the user returns and taps the keyboard or moves the mouse, the system will spring back to life.

Setting your computer or mobile device to enter sleep mode shortly after you stop interacting with it is an excellent way to cut down on power consumption and preserve battery life on laptops and mobile devices.

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