Understand the standby state of windows7 system - sleep, sleep

When we do not operate win7 system, the system will enter the sleep mode by default, making the system more energy-efficient, let's understand the standby state, make the system more Energy saving settings.

What is the difference between sleep, hibernation and mixed sleep?

<;Sleep> is a state of energy saving, when you want to start working again, Allows the computer to quickly resume full power operation (usually within a few seconds). 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.

Why can't I find "sleep" or "sleep" on my computer?

Click the "Start" button and click “Shutdown” The arrow next to the button.
“Sleep"> Sleep & rdquo;

on the Start menu may be due to one or more of the following reasons:

1. Your The video card may not support sleep. Update the driver for your video card, or check the information that came with your computer about the video card and supported drivers.

2. Some settings are managed by the system administrator.

3. 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. To learn more, check the information that came with your computer or go to the manufacturer's website.

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

How do I prevent my computer from automatically waking up from sleep or hibernation?

You can adjust how long your computer waits before it goes to sleep or hibernate, 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. Open by clicking the Start button, clicking Control Panel, clicking System & Security, and "Power Options" “Power Options”.

2. On the "Select Power Plan" page, click “Change Plan Settings next to the selected plan.

3. On the “Change Plan Settings” page, click “Change Advanced Power Settings”.

4. On the “Advanced Settings“ tab, double-click “sleep", double-click “after this time to sleep”, then do one of the following:

If you are using a laptop, click "Battery" or "Power On" (or both), click the arrow, then click “never”. If you are using a desktop computer, click “Set", then click the arrow and then click “never”.

5. Double-click “ After this time to hibernate”, then do one of the following:

If you are using a laptop, click “Battery” or “Power on” (or both), click on the arrow and then click “never”. If you are using a desktop computer, click “Set", then click the arrow and then click “never”.

6. If you still want the monitor to remain on, double-click “Display”, double-click “ Turn off the monitor after this time, and then do one of the following:

If you are using a laptop, click "Battery" or "Power On" (or both), click the arrow, and then click "Never". If you are using a desktop computer, click “Set", then click the arrow and then click “never”.

7. Click “OK", then click “Save Changes”.

How do I wake my computer from sleep or hibernation?

On most computers, you can resume working by pressing the computer's power button. However, not all computers are the same. You may be able to wake your computer by pressing any key on your keyboard, clicking the mouse button, or opening the lid of your laptop. Check the documentation that came with your computer or go to the manufacturer's website.

Does sleep eventually drain the battery of your laptop?

Sleep consumes very little power, which is equivalent to the power consumption of a night light. If the battery is critically low while the laptop is asleep, Windows automatically puts the computer into hibernation mode.

Is my data safe when my computer is asleep?

When you wake your computer, you can prevent unauthorized access by entering a password set by the user. Access.