User Manual

Note: To maximize the life of the battery, use the battery until the charge is depleted and recharge the
battery completely before using it. Once the battery is fully charged, it must discharge to 94% or lower
before it will be allowed to recharge again.
Use P-to-P 2.0 (Peer to Peer 2.0) charging function
Both USB-C connectors on the computer feature the Lenovo-unique P-to-P 2.0 charging function. To use
the function, ensure that Always On USB and Charge in Battery Mode are enabled in UEFI BIOS of your
computers, so that the function works even when the computers are off or in hibernation mode.
To enable Always On USB and Charge in Battery Mode:
1. Press F1 to enter the UEFI BIOS menu.
2. Click Config ➙ USB, and then to enable Always On USB and Charge in Battery Mode.
Note: The actual charging speed of your computer depends on many factors, such as the remaining battery
power of the computers, the wattage of the ac power adapter, and whether you are using the computers.
Change the power settings
For ENERGY STAR
®
compliant computers, the following power plan takes effect when your computer has
been idle for a specified duration:
• Turn off the display: After 10 minutes
• Put the computer to sleep: After 30 minutes
To reset the power plan:
1. Go to Control Panel and view by Large icons or Small icons.
2. Click Power Options.
3. Choose or customize a power plan of your preference.
To reset the power button function:
1. Go to Control Panel and view by Large icons or Small icons.
2. Click Power Options, and then click Choose what the power buttons do on the left pane.
3. Change the settings as you prefer.
Transfer data
Quickly share your files using the built-in Bluetooth technology among devices with the same features.
Set up a Bluetooth connection
You can connect all types of Bluetooth-enabled devices to your computer, such as a keyboard, a mouse, a
smartphone, or speakers. To ensure successful connection, place the devices at most 10 meters (33 feet)
from the computer.
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E14 Gen 4 / E15 Gen 4 User Guide