Lenovo IdeaPad 720s

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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