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Recover full battery capacity
If your computer is constantly plugged in to an electrical outlet and the battery rarely discharges, the battery
may not be charged to its full capacity even if the battery meter reports 100% charge. You can recover the
battery’s full charging potential simply by discharging and re-charging the battery.
Step 1. Unplug the computer and use it until the battery charge drops below 20%.
Step 2. Plug in the computer and charge the battery to 100%.
Set power button behavior
By default, pressing the power button puts the computer to sleep mode. However, you can change the
power button behavior in Windows Control Panel.
Step 1. Type Control Panel in the Windows search box and then press Enter. Open the control panel and
view by large or small icons.
Step 2. Select the power options and then click choose what the power button does.
A power plan
A power plan is a collection of power-saving settings made available by an operating system. With a power
plan, you can set idle time-outs for different hardware components to enter a low-power state. The default
power plan and some of its idle time-out settings are listed below for computer models pre-installed with
Windows.
The listed settings are active when the computer is connected to an electrical outlet. If your computer include
a built-in battery pack, a different collection of time-out settings is set to take effect when the computer is
operating on battery power.
• Default power plan: Balanced
• Turn off the display: after 5 minutes
• Put the computer to sleep:
– AMD models: after 5 minutes
– Intel models: after 15 minutes
Note: To wake the computer from the sleep state, press the power button or any key on the keyboard.
Change or customize a power plan
This operation is applicable to computers with pre-installed Windows.
Step 1. Type power plan in the Windows search box and then press Enter.
Step 2. Customize a power plan of your preference.
System operation modes
Lenovo has preset several modes in which your computer can operate. The maximum attainable
performance, power consumption, and speed limit for the heat sink fan vary among the operation modes.
Consider the following conditions when you want to switch operation modes.
• The environment where you use your computer, and
• The tasks running on your computer
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User Guide
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