Common knowledge and frequently asked questions about Win7 sleep and hibernation

Previously published "Small knowledge: the difference between shutdown, sleep and hibernation in Windows Vista/7", friends who are not familiar with sleep and hibernation functions recommend flowers A few minutes of careful reading, this article has been very detailed, including Windows7 optimization master and Rubik's cube also supports Vista and Windows7's leaving mode (screen power saving state but the network is still available, suitable for leaving when downloading tasks) Mode) and so on.

Today, I saw that Microsoft officially provided this answer after the release of Windows7, especially to share with you again!

Here are some of Microsoft's official FAQs about sleep and hibernation.

Q: What is the difference between sleep, dormancy and mixed sleep?

A: "Sleep> is a state of energy saving that allows the computer to quickly resume full power operation (usually within a few seconds) when you want to start working again. Putting your computer to sleep is like pausing a DVD player: the computer stops working immediately and is ready to continue working.

 Hibernate> is a power-saving state that is primarily designed for portable computers. Sleep usually saves work and settings in memory and consumes a small amount of power, while hibernation saves open documents and programs to your hard drive, then shuts down your computer. Hibernation uses the least amount of power in all power-saving states used by Windows. For laptops, if you know that you will not be using it for a long time and it is not possible to charge the battery during that time, you should use sleep mode.

& ldquo; Hybrid Sleep & rdquo; mainly designed for desktop computers. Hybrid sleep is a combination of sleep and hibernation - it saves all open documents and programs to memory and hard drive, then puts the computer into a low-power state so that it can be quickly resumed. This way, if a power failure occurs, Windows can resume your work from the hard drive. If you turn on Hybrid Sleep and put your computer to sleep, the computer automatically enters a mixed sleep state. On desktop computers, mixed sleep is usually turned on by default.

Q: Why can't I find the "Sleep" or "Hibernate" option on my computer?

A: Click the Start button and then click the arrow next to the “Shutdown” button.

Above: "Start" menu on the & ldquo; sleep & rdquo; and & ldquo; sleep & rdquo;

If the sleep or hibernation is not available, may be due to one or more of Reason:

• Your graphics card may not support sleep. Update the graphics card driver or check the information about the graphics card and supported drivers that came with your computer.

• Some settings are managed by the system administrator. Requires administrator privileges.

• The sleep state and other power-saving states in the computer's basic input/output system (BIOS) are turned off. To turn on sleep, restart your computer and enter the BIOS setup. When you start your computer, a description usually appears on the screen that prompts you to press the key or keyboard shortcuts you want to enter during the BIOS setup process. Since not all computer manufacturers use the same BIOS, the keys used to enter the BIOS settings will vary.

• If the hibernate option is missing, you may have turned on Hybrid Sleep.

Q: How can I prevent my computer from automatically waking up from sleep or hibernation?

A: You can adjust the amount of time the computer waits before going to sleep or hibernate, ie preventing it from automatically shutting down completely. But please be careful. On portable computers that use batteries as a power source, suppressing sleep or hibernation can result in data loss when the battery is dead. Here's how to prevent your computer from entering a power-saving state:

1. Click on the power icon in the lower right corner of Windows7/Vista and click on the “More Power Options” button, or by clicking the “Start” button, “&” Control Panel ", "System & Security" & "Power Options", turn on “Power Options”.