Lenovo IdeaPad 720s - ArchWiki

# Lenovo IdeaPad 720s

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This article or section does not follow the Laptop page guidelines.

Reason: Needs a hardware table and a function keys section (Discuss in Talk:Lenovo IdeaPad 720s#)

The Lenovo IdeaPad 720s is a laptop computer with a 13.3" screen, 7th or 8th generation Intel Core i5/i7 processor, webcam, microphone, audio in/out, 802.11ac wireless card with bluetooth 4.1, 1 USB Type-C (DP & Power Delivery + Thunderbold), 1 x USB Type-C (Power Delivery + USB 3.0), 2 x USB3 ports and a fingerprint reader.

## Hardware Support

The only hardware not supported is the fingerprint reader (see remarks for USB ID 06cb:0081 at Validity90 on GitHub).

### UEFI Bios

Before installing, disable Secure Boot in BIOS. The BIOS can be accessed by pressing the NOVO button on the right hand side or by pressing `F2` during boot.The boot menu can be accessed by pressing `F12`.

### Battery Conservation Mode

Lenovo laptops come with a battery controller setting called "Battery Conservation Mode", which shifts the usual loading thresholds from 95/100% to 55/60% to reduce battery degradation. To enable this, install the acpi_call package. The mode is enabled with:

    # echo '\_SB.PCI0.LPCB.EC0.VPC0.SBMC 3' | tee /proc/acpi/call

It can be disable with:

    # echo '\_SB.PCI0.LPCB.EC0.VPC0.SBMC 5' | tee /proc/acpi/call

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- Lenovo

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