The Y450XP system power options are grayed out

The solution is as follows: Enable the ACPI Advanced Power Management option in the BIOS. That is, press the DEL key when booting, enter the BIOS and enter the Power Management Setup Set the ACPI option inside to enable type to S3, press F10 to save, and then restart, Control Panel - Power Management - Enable Advanced Power Management Options.

How to set the system power options: Open the system's built-in "Add or Remove Program", and find a program called "Energy Management" or "EnergyCut", which is the power supply usage scheme driver manager installed in the Lenovo notebook series, click on the back"Changes", and then select"Modifications"option,Remove the tick in front of energy management or energycut,It's OK,So that the power supply scheme of the system can be adjusted and modified by itself After analysis, as long as the Lenovo driver disc or the power management (energycut) of the online ** drive is installed, this phenomenon will be caused。 But if you don't install this driver, it will cause the device manager to have no driver installed hardware, you can find the energycut program through the add or delete program in windows, and then click Change Delete, and then a dialog box will pop up, select the first modification, and remove the tick in front of the energycut.

Method 1: Use the utility to restore the default power usage scenario You can use the utility to copy the power usage scenario from the Default User profile to the currently logged-in user.

1: After installing the Lenovo power management software, the gray color that comes with the system is normal.

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The command line executes the following command.

powercfg /h on

Generally, because Lenovo has a special power management application, so the system comes with it can't be adjusted, you look for it, and the power program application that you bring.

Is it not used for batteries, or is there a battery for them?

Go to the BIOS and set it up.

1.Click "Start Settings Control Panel Power Options Advanced Power Management" and check "Enable Advanced Power Management Support" if your machine supports advanced power management features;

2.Click "Start", and run "regedit", then find PowerDownAfterShutdown in hkey local machine software microsoft windowsnt currentversion winlogon and set the value to 1;

Check whether ACPI is enabled in CMOS, if not, please open ACPI Advanced Management and reinstall the operating system, generally refers to entering CMOS, selecting Power Management, and finding ACPI function in this item must be set to Enable. If it is set to disable, it will fail to shut down automatically.

If the ACPI option is not available in CMOS, go to the corresponding system to check whether advanced power management support is enabled in Power Management, and select it if so.

If the console does not have this option, the motherboard does not support ACPI Advanced Power Management, and a "You can safely shut down the computer" prompt will appear during the shutdown.

What about the kind of win operating system you use, because the power supply of the computer in the various operating systems of win is the same, reinstall your win system, it may be that you have chosen to install the win system to install it yourself, and the solution is to choose the phase of all the installation of the win system. The system installs and collects information to set up and reboot, and when the system has installed all the program charts you want, as well as the power options in your head, you will be there.

In the power options section of your computer, you can now see advanced power management settings.

The power options --- the control panel --- advanced.

Also, select the Always fully charged option --- --- battery maintenance in your power management software—restart your computer and see if that resolves your problem.

Think Forum:

Lenovo Community.

Power Options--- ENERGY STAR Change plan settings--- change advanced power settings--- Lenovo power management--- boot management software--- select the maximum battery life!

Lenovo notebooks have their own power management, and you can go and find the power management software that corresponds to your notebook.

Go to Zhongguancun for the next power management software, install it directly, and he will automatically uninstall the existing management scheme to the original by default. Address.

This solves the problem.

You change it in the power manager, and you can cancel it.

The Y450 power management item for the pilot selection has the best performance, in the lower right corner. However, the system must be installed in the place where you buy the computer or the after-sales service, if it is your own special, there is no power management software, you can install it on the Lenovo official website.

Lenovo comes with a power management program in the bottom right corner of the taskbar to look for.