Suspend Mode

What Does Suspend Mode Mean?

Suspend mode is a low-power computer setting that helps reduce electrical power consumption by shutting down devices that are not in use. Most laptops automatically enter suspend mode when the system runs on batteries or the lid is closed. This status is often signaled by a pulsing LED-powered light.

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Suspend mode is also known as sleep mode, standby mode or power save mode.

Techopedia Explains Suspend Mode

The latest standard for power management is advanced configuration and power interface (ACPI), which provides a backbone for sleep and hibernation in computers. The suspend mode in computers generally corresponds to ACPI mode S3. The absence of ACPI restricts the turning off monitors and spinning down of the hard drive.

Windows 2000 and higher versions support the suspend mode at the operating system level without the need of special drivers. The fast sleep and resume feature of Windows Vista saves volatile memory contents to the hard disk before entering suspend mode.

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Margaret Rouse
Technology Expert

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.