For each system, a state is provided in which the system goes into the so-called sleep, in which all active processes stop before waking up. Sleep mode in Windows 7 is as integral a part of the system as turning it on and off. In this article we will look at the main points of this function - how to turn sleep mode on or off in Windows 7, the main errors and problems.

Turning on and off

Sleep mode is primarily aimed at saving energy on your PC. If it is important for a laptop to preserve battery charge, then for a desktop computer this function may interfere. In any case, each user has his own goals for using a computer.

You can turn sleep mode on and off in the Panel Windows management, where the main system configuration is performed.

• To do this, find "Start" in the taskbar and go to Control Panel.

• Or in the Run window (shortcut Win + R) write control and click OK to go to Control Panel.

The device's sleep is controlled by the power settings. It is in the power supply plans (or diagrams) that the settings for sleep, turning the device on, off, and others are specified. Windows settings related to saving energy and turning off the device.

• Select the viewing option Large or Small icons and go to settings "Power supply".

Setting up sleep mode on Windows 7 is done for each individual scheme, and you can either change the sleep time (increase or decrease) or completely disable this functionality.

• Opposite the scheme you are using, click on the button called "Set up a power plan".

• Where you can set the required time not only for sleep, but also for turning off the monitor or display after a certain amount time.
• In meaning “Put the computer into sleep mode” select the desired time, but if you need to turn it off, select “Never”.

• For laptops, there will be a choice of going to sleep, both when powered by battery and mains power.
• Also, if the selected time gradation does not suit you, then you can configure the transition to sleep mode Windows computer 7 and exit from it in the electrical circuit settings. To do this, in the same window, click "Change power settings".

• In a new window, expand the “Sleep” branch, expand “Sleep after” and specify the desired time of PC inactivity so that it automatically falls asleep. Time is indicated in minutes.

This is interesting! Many users ask, hybrid sleeper Windows mode 7, what is it and how is it different from the usual one? Hybrid mode is an analogue of hibernation in laptops, only created for personal computers. Hibernation - energy saving, in which Windows keeps all active processes and applications in memory hard drive and actually turns off.

The difference between normal sleep and hibernation is that if you turn off the computer while asleep, everything open files will be lost because Windows is paused. And during hibernation, if you turn on the computer, all applications will be restored, as they were saved to the drive. Hybrid sleep mode is enabled by default on PCs.

Errors

Let's look at the most common errors, the absence of a sleep mode in the shutdown list, when the computer does not turn on or, on the contrary, does not fall asleep, as well as the reasons that may interfere with this.

Sleep missing from PC shutdown options

Sometimes, purely installed Windows, users may not find Sleep or Hibernation mode in the general shutdown list. This error may be due to a missing video card driver, which is partly responsible for your device's sleep.

To correct this situation, you should do the following:

• Open first "Device Manager"- then find the Run item (Win+R) and write devmgmt.msc, then click on OK.

• Expand the list of video cards - select a discrete video card (some devices have 2 video adapters - built-in and discrete, discrete is usually more powerful and works in priority).
• Right-click on it and select "Update driver"
• The Windows system should automatically find the latest driver in the update center, if, of course, it was provided by the manufacturer of this video card. If there are several video adapters, update for all devices.

• If no fresh drivers were found or simply did not help, you need to update the drivers yourself. To do this, go to the device manufacturer's website and search for the model of your video adapter.

Then install the driver. In case of errors or failures, it is recommended to perform a clean installation of the driver. Or through the installer settings (item clean install, in which the old driver is completely removed and a new one is installed) or through the Display Driver Uninstaller utility, which can also remove and clean the video adapter driver for subsequent installation.

• After installing the new driver, restart your PC and make sure that sleep mode (sleep) is now active.

Important! If the above tips did not help, and there is still no sleep mode, you need to install the chipset driver, which is responsible for the device’s power plans. For some motherboards, there is a separate ACPI power driver that should already be included in the chipset driver

You can download the chipset or ACPI driver from the manufacturer’s website motherboard or laptop.

PC won't wake up from sleep

There have been cases when Windows 7 did not wake up from sleep mode when pressing the keyboard or mouse. Let's look at this case in more detail.

First of all, check whether the keyboard and mouse can wake the device from sleep. To understand this, open "Device Manager"- then the Run window (Win + R) and enter devmgmt.msc, then click OK.

First, let's check the keyboard. Expand the "Keyboards" list, right-click on the keyboard and select Properties. In the window that opens, go to the tab "Power Management". Make sure the checkbox next to the item is checked “Allow the device to wake up the PC from standby mode”.

We check the mouse in the same way.

Important! Often the cause of this error may be a conflict between the driver and the enabled fast startup, which is absent in Windows 7. But in Windows 8 and higher, the error is “cured” by disabling this function and updating the ACPI driver.

PC won't sleep

Sometimes, after updating Windows or drivers, the device does not go into sleep mode on Windows 7 after the required period. In this case, you need to check whether all settings are correct and whether sleep mode is enabled.

• First, try hibernating your PC yourself.
• If everything is fine, try setting the sleep mode value for 1-2 minutes and wait a little. If during this time the PC “does not fall asleep,” the problem must be solved.
• First, let's disable wake timers and the prohibition on entering sleep mode for multimedia. To do this, go to the advanced settings of the power plan and in the Sleep branch, for the parameter "Allow wake timers" For all items, set the value to “Disable”.

• In the same settings, only in a branch Media options, for parameter "When sharing media" set the values "Prohibit transition..."

• After this you need to open the window Command line, in the Run window (Win + R) enter the cmd command and click OK
• We will need to find out which devices are preventing the computer from falling asleep. To do this, enter the command:

Powercfg -devicequery wake_armed

A list of devices that may be preventing the device from entering sleep mode will be displayed. To disable this feature, enter the command:

Powercfg -deviceenablewake "value"

Where instead of “value” you need to enter a device from the previously proposed list. It is worth noting that you must enter the same as written in the list, for example:

Powercfg -deviceenablewake “HID Keyboard”

• If none of the proposed options helped and the computer still does not enter (does not turn on) sleep mode in Windows 7, then try updating the video card and ACPI drivers from the “PC does not wake up from sleep” item.

In this article, we figured out how to set automatic sleep mode in Windows 7, setting the transition (required time), as well as the main problems associated with this function.

Have a great day!

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