![]() ![]() This is non-volatile memory and so keeps your data even when the power is off. The big difference here is that the contents of your memory are stored on your hard drive. Hibernation also lets you power on your computer and pick up from where you left off. Hibernation: Going Cold For The Long Haul Move the mouse or open the laptop lid and you’re ready to go. The big convenience with sleep mode is that your computer is ready to work almost instantly. That does add up over days, weeks and months however. ![]() To be sure, it uses less power than an active computer. The second big caveat with sleep mode is that it still uses power. However, you may want to consider using a UPS (uninterruptible power supply) to keep your sleeping computer safe just in case. ![]() Since the on-board batteries will keep supplying power to the sleeping computer in the event of power loss. While this guide lists all the possible power states when running the command, some states won't be listed, for example, S0 and G3, even though they are supported.Laptop computers obviously don’t have this problem at all. The "Mechanical Off" power state has an ACPI state of G3, and it describes when the computer is completely powered off. The "Soft Off" power state on Windows 10 has an ACPI state of S5, and it describes the state between fully powered off and boot cycle. In this mode, the user gets logged off before the hibernation file is created to save storage space and resume to a working state more quickly. You also have the "Fast startup" mode in this category. In this state, Windows 10 will save the data loaded into memory to the hibernation file onto the hard drive, and some hardware will remain active (network adapter, keyboard, mouse, and USB devices) to wake up the computer as needed. It describes when the computer is almost completely powered off, and the user can resume the session even after power loss. The "Hibernate" power state has an ACPI state of S4. In this mode, a hibernation file is created while using one of the sleep power states if the computer loses power during sleep. You also have the "Hybrid sleep" mode in this category. Some peripherals and hardware components will remain active, including network adapter, keyboard, mouse, and USB devices. In this state, the device appears offline, but the system memory will continue to be updated to allow the system to resume to a working state. Windows 10 also support the "Sleep" power state, which has the ACPI state of S1, S2, or S3. If the computer supports Modern Standby, it does not support sleep states S1, S2, and S3. While in this state, the device can switch from a low to a high-power state to quickly react to certain events. It is available for some System On a Chip (SoC) devices that include a low-power idle state. This "Sleep" power state, also known as "Modern Standby," has an ACPI state of SO lower-power idle. Sleep (Modern Standby) power state (S0 lower-power idle) In this state, supported hardware that is not in use can enter into a lower power state to save energy. The "Working" power state has an Advanced Configuration and Power Interface (ACPI) state of S0, and it describes that the device is powered on and usable. The information below describes all the possible sleep states available on Windows 10: ![]()
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