Usually use a computer, we often choose to shut down when leaving, generally think that this is both power-saving and safe. However, this is just a habitual practice for everyone. Many people have not thought about whether this is reasonable. In fact, since Windows XP (hereafter referred to as WinXP) system, Microsoft has provided "standby" and "sleep" functions, and to Windows7 (hereafter referred to as Win7), this feature has been strengthened, providing more rich The mode is available for selection. Let's take a look at what kind of different situations we should choose for Windows 7 to "sleep".
First, leave for a short time with "sleep", let the computer take a nap for a while
Usually use a computer, often there is such a situation: occasionally need to leave for a period of time, long or short, not very fixed, such as noon or dinner at night That's the time. At this time, if you turn off the computer, it seems to be a bit of a big problem, because many programs and web pages have to be reopened when you come back, but if you don't shut down, the computer is wasting electricity, if there is anything to delay, time from one It doesn't matter if the hour becomes two hours, it is not a waste! It’s a bit difficult, what should I do? In fact, this time you just need to enable the system's sleep function.
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 continue working. Speed can be much faster than restarting after shutdown! And all work before sleep can continue without restarting. At the same time, after entering the sleep state, the computer will only have the memory power-on to save the data of the working state, while the other hardware is all powered off, so the power consumption is very low.
What is "sleep”?
When the computer is in sleep state, it will cut off the power of other accessories except memory, and the working status data will be stored in the memory, so that when the computer is reawakened, it can quickly resume the working state before sleep. 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.
But I need to remind you that because the sleep state does not save the desktop state to the hard disk, if the power is cut off during sleep, the unsaved information will be lost, so before the system sleeps, you are best. Save all the documents you need to save, Ctrl+S”, just in case.
Tip: 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 the computer has not been operated and reached. After this set time, it will automatically go to sleep.
In addition, the methods for enabling hibernation, mixed sleep, and leave mode are similar to the method for enabling sleep.
Second, do not use for a long time "sleep", let the computer sleep well
In addition to leaving the computer for a short time, sometimes we may leave longer, such as going out, maybe even one day Next to the computer, then at this time, it will not shut down. 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 is not back, the power is off, all the data is over, even if it is sleepless! How to do? Very simple! Enable another useful feature ——“hibernate”!
Compared with the sleep function, the data is saved in the memory. The sleep function saves 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 during the sleep state, it will not affect the saved data. When the computer wakes up, all the work can still be resumed normally. At the same time, because the data is saved on the hard disk, the speed of wake-up is much faster than restarting the computer.
What is "hibernation"
quo;Hibernation is a power-saving state that is mainly designed for portable computers. In this state, the open documents and programs are saved to a file on the hard disk (can be understood as a mirror image of the memory state). After the boot, the data is read from this file and loaded into physical memory. This file is the same size as physical memory. Since 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.
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 generated on the system disk to store the data in the memory. The user should pay attention to whether there is enough space in the system disk. . For the stable operation of the system, 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.
Tip: If you do not use the computer for a long time, it is best to choose to shut down. 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 save the original dialog window) and many network management programs may appear after recovery It is not working properly, so it is best to quit these programs before the system sleeps.
Third, the departure time is not fixed with "mixed sleep" let the computer choose their own
Well, above we talked about the short time to leave and leave for a long time, but sometimes life is always full of variables & mdash; — I don't know how long to leave, what should I do? It may be an hour, or it may be a day. It is not safe to use sleep. It is not as convenient to sleep as dormancy!
Takeiteasy! The best way is to let the computer choose the flexible —— if it is not powered, it will recover from the memory; if it is powered off, it will be restored from the hard disk. And this is the "mixed sleep" function!
After the hybrid sleep is enabled, the computer will automatically go to sleep. However, unlike the sleep state, the data stored in the memory will also be saved in the hard disk. Therefore, even if the power is turned off, the data will not be lost. And when you wake up your computer, you can recover at a faster rate. This is the advantage of mixed sleep.
What is "hybrid sleep"
Hybrid sleep is unique to Win7 and not available in WinXP, which combines all the advantages of sleep and hibernation. After entering the hybrid sleep, the system will first save the data in the memory to the hard disk, and cut off the power supply of other devices except the memory. In the recovery, if there is no power failure, the system will recover directly from the memory, it only takes a few seconds; if the power is off, because the memory is still stored in the hard disk, you can also recover from the hard disk without worrying about the data. Lost.
Tip: Hybrid sleep mode requires the motherboard's power management to support S3 mode, but the general motherboard supports this mode. If your computer supports the Hybrid Sleep feature, then when you start Sleep after turning on the Hybrid Sleep feature, the system automatically goes into Hybrid Sleep.
Fourth, hang up download with “ leave mode & rdquo; let the computer run low consumption
In addition to the above we will say that several things will make the computer in the "hang-up" state, there is another very different in daily life Important application —— hang up download. In the past, we usually started the download process, then turned off the monitor and speakers to let the computer run automatically. However, in this state, some non-working hardware will continue to consume power, such as video cards and sound cards. In Win7, we can enable the new "leave mode", which will not break the network, and will not affect the normal operation of the download program!