"Restarting, however, involves the operating system shutting itself down to the point where Windows will reload, but typically does not go the extra step of having to go through the motherboard boot loading process. The primary difference with most computers, and Windows 10 (and 8) is that a reboot typically involves the system being shut down to the point where the motherboard will have to run its initial boot loading process as if you've turned the computer on from being completely powered off," says Meister. So, what about the term Reboot? "For most people, Reboot and Restart mean the same thing. Shut down requires to close all the opened applications and documents, clears the contents of RAM and removes temporary files. However, Hibernate requires more time to wake up your PC than Sleep mode. He adds that it's also possible to disable Fast Startup in your computer's power settings, so that you when you shut down the computer, it will clear everything. Compared with Sleep, Hibernate consumes less power and directly saves the contents of RAM on the hard drive to avoid any chances of data loss. And if you're nostalgic for the pre-Windows days, you can pull up the old-school Command Prompt and type shutdown/r. Besides using the Start Menu, you can hold down the CTRL+ALT+DELETE keys, click one of the icons on the Lock Screen. instead of close opened windows or shut down the PC you can put it in sleep mode to continue where you left. Sleep mode is a good choice if you are moving from a few minutes break. That’s why you may notice Windows 10 wake up from sleep mode faster compared to Hibernation mode. He's an agent for Geek Squad, a tech support and repair service provided by retail consumer electronics and appliance chain Best Buy. Sleep mode saves data on RAM which is faster than HDD. Modern standby has the intelligence to manage hibernate internally and setting a separate hibernate timeout can result in a loss of some features.There are several ways to trigger a restart, explains Derek Meister via email. This time-out is not recommended for modern standby systems. When this timer expires, the system wakes from ACPI Sleep (S3) and immediately enters ACPI Hibernate (S4) to save power. Then the system steps through the preparation phases described in Prepare software for modern sleep. When this time-out occurs, the system enters modern standby and the display is immediately powered down. All applications stop execution because all processors will be powered off. When this time-out occurs, the system immediately enters the ACPI Sleep (S3) state. There is a 5-second grace period between when the display turns off and when the screen off notification is fired. However, the system continues to run and all applications continue to operate normally as if the display was powered on. When this time-out occurs, the display immediately turns off. In Windows 10, the display is automatically dimmed 10 seconds before it is turned off. This time-out is no longer supported starting with Windows 8.1. This time-out is no longer supported starting with Windows 8.1. The following table summarizes the differences between a modern standby PC and a traditional sleep PC. Instead users would expect the system to stay turned on and connected but operate in a low-power mode. A modern standby PC is similar to a smartphone- few users would tolerate their smartphone periodically turning off and entering hibernation. That's because modern standby is a consistently low-power state with long battery life. Instead, Windows manages Hibernate intelligently, only using it when required to preserve user's battery life. Although Modern Standby systems support Hibernate (S4) state, it is not entered automatically after a fixed amount of time in sleep. Hibernate is used to reduce battery drain during sleep by saving all information in memory to the disk and powering off the system completely. Mobile systems also support the ACPI Hibernate (S4) state. If a user sets the two timeouts to be the same on a modern standby PC, the power model is similar to that used by most smartphones: when the screen is off, the system is always in a low-power mode and always connected to the Internet. The reason for providing two separate time-outs is to allow the system to stay turned on and fully running, but save power by turning off the display. Traditional sleep (S3) and Modern Standby systems implement both a display idle time-out and a sleep idle time-out.
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