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# Lenovo IdeaPad 720s (AMD)

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Hardware | PCI/USB ID | Working?
--- | --- | ---
Audio |  | Yes
GPU |  | Yes
Wi-Fi |  | Yes
Bluetooth |  | Yes
Webcam |  | Yes
Touchpad |  | Yes

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

Reason: Needs IDs in the hardware table and an accessibility and proper function keys section. (Discuss in Talk:Lenovo IdeaPad 720s (AMD))

The Lenovo IdeaPad 720s (AMD) is a laptop computer with a 13.3" screen, AMD Ryzen™ processor, webcam, microphone, audio in/out, 80211ac wireless card with Bluetooth 4.1, 1 USB 3.0 Type-C (DP & Power Delivery), 1 x USB 3.0 Type-C (DP), 2 USB3 ports, and a fingerprint reader.

## Installation

Before installing, disable Secure Boot in the BIOS. You can access the BIOS by pressing `F2` at the Splash screen. The boot menu can also be accessed by pressing `F12`.

## Video

X works natively with a current linux and xf86-video-amdgpu.

If you are having video issues with only the xf86-video-amdgpu installed, also install the AMD PRO package amdgpu-pro-oglpAUR. See AMDGPU

## Wireless

The rtl8821ce-dkms-gitAUR wireless driver is required in order for Wi-Fi and Bluetooth to work.

Sometimes upon reboot, rfkill may block wireless communications. To unblock, run : `rfkill unblock all`.

Active bluetooth may lock up the PC on lid close/suspend, then `rfkill block bluetooth`.

## Function keys

No dedicated keys. The `Fn` functions on the `F1` to `F12` keys are correctly recognized by X11 and work out of the box (Touchpad on/off etc.). The default state can be inverted in the BIOS menu.

## ACPI annoyances

ttys get filled with massive amounts of ACPI complaints, and are unusable as such. Mitigate by passing the `pci=noaer` kernel commandline option.

## CPU soft lockup

The mwait cpu instruction can cause a CPU soft lockup.

To fix the issue, add `idle=nomwait` to kernel parameters.

## See also

- Random Freeze on Ryzen 2500U using amdgpu driver

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- Lenovo

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