Windows sleep sleep detailed

The speed can be much faster than restarting after shutting down! And all work before sleep can be inherited without having to restart. If you don't use computer for a long time, it is best to choose to shut down.

 Hibernate> is a power-saving state that is primarily designed for portable computers, in which state the open documents and programs are kept in a file on the hard drive (can Understood as a mirror of the memory state, when the next boot, read data from this file, and load physical memory, this file is the same size as physical memory. .

There are two ways to enable the sleep function. One is to click sleep directly in the shutdown button of the start menu, and the other is to set the time in the computer power management, as long as After the computer has not been manipulated and reached this set time, it will automatically go to sleep.

What is "hibernation"

The analog sleep function is to keep the data in the memory, the sleep function is to keep the data to the hard disk, after entering the sleep state, all the accessories are not powered, so the power consumption is almost zero! Moreover, even if the power is turned off in the sleep state, it will not affect the data that has been retained. When the computer wakes up, all the work can still be resumed normally. At the same time, since the data is kept on the hard disk, the wakeup speed is much faster than restarting the computer.

When the computer is in a sleep state, it will block the power of other accessories except the memory, and the working status data will remain in the memory, so that when the computer is reawakened, it can quickly resume sleep. The former working state.

In addition, it must be said that after the hibernation function is enabled, a hibernation file with the same size as your memory will be born in the system disk to store the data in the memory. Pay attention to whether your system disk has enough space.

However, it is important to remind you that since the sleep state does not retain the desktop state to the hard disk, if the power is turned off during sleep, the unreserved information will be lost. So before the system sleeps, you'd better keep all the documents you need to keep, Ctrl+S” keep it, just in case.

In addition to leaving the computer for a short time, sometimes we may leave for a longer period of time, such as going out to work, or maybe not at the computer one day, then it is not shut down at this time. ? When you turn off the computer, the programs, documents, web pages, materials, etc. that are open in the computer will be reopened the next time you turn it on! Do not shut down, if the day does not return, the power is off, all the data is over, even if it is sleepless! How to do? Very simple! Enable another useful feature ——“hibernate”!

Don’t let your computer sleep for a long time

In addition, the methods to enable hibernation, mixed sleep, and leave mode are all enabled with sleep. The method is similar.

What is "sleep”?

When you need to wake up after going to sleep, just press the power button or shake the USB mouse to quickly restore the working state before leaving, and inherit the work. Because the file written by memory during hibernation is a disk file, the speed of reading is much higher than that of accessing the disk during normal startup, so it is much faster than normal startup.

Hibernation is not a substitute for shutdown and reboot. For example, when installing certain software, installing patches to the system, repairing and changing hardware devices, or modifying BIOS settings, be sure to shut down or Restart. If you need to leave the computer for a short time during work, you can use the sleep function to save power on the one hand and resume work quickly on the other.

At the same time, after entering the sleep state, the computer will only be powered on the memory to retain the working status data, while other hardware is powered off, so the power consumption is very low. In order to run the system without random operation, the available space should account for about 10% of the system partition, that is, the 50GB system partition should have at least 5GB of free space.

In addition, some networked programs, such as web applications that need to log in, instant messaging software (most instant messaging software can automatically reconnect after recovery, but can not retain the original dialog window And many network management programs may become unusable after recovery, so it is best to quit these programs before the system sleeps.