Jump to content

Lenovo Yoga Pro 7 14ASP9

From ArchWiki
Hardware PCI/USB ID Working?
GPU 1002:150e Yes
Wi-Fi 14c3:0616 Yes
Audio 1002:1640 Yes
Touchpad Yes
Webcam 04f2:b7e8 Yes
Bluetooth 0489:e0d8 Yes
TPM Yes

For a general overview of laptop-related articles and recommendations, see Laptop.

Accessibility

The UEFI offers one mode of operation, GUI.

The GUI can be navigated to some degree via the keyboard. Left and Right arrow keys to move the selection and Space to activate.

Note Blind users may want to request the help of a sighted person to change UEFI settings

Firmware

fwupd does not support this device yet and likely is not going to.

Lenovo support page for this model only provides .exe installer for UEFI updates. There is no option in the UEFI itself to select a binary blob from USB stick.

Updating UEFI

Note Make sure your device is on AC power

It is entirely possible to update the boot firmware of the laptop using the UEFI capsule update method via fwupdtool after downloading the latest Windows firmware installer from Lenovo: 

# extract files from the installer (called pscnxxxx.exe)
7z x pscnxxxx.exe
# the important file is WinPSCNXXXX.fd (where XXXX is the version number)

# get the GUID of the firmware device
sudo fwupdtool get-devices | grep -A 1 "System Firmware"

# prepare the UEFI capsule update
sudo fwupdtool install-blob WinPSCNXXXX.fd [GUID]

fwupd will prompt for a reboot, after which the capsule update should start applying.

Secure boot

Warning Installing with Microsoft vendor keys is recommended as there are not any reports indicating if it is fully safe yet. No Option ROMs in the below output provides some confidence, however it is up to the user as you risk bricking your device.

The firmware does not have any options to install keys through it, to install keys you can use tools such as sbctl. No Option ROMs appear to be present as per testing with: 

# cp /sys/kernel/security/tpm0/binary_bios_measurements eventlog
# tpm2_eventlog eventlog | grep "BOOT_SERVICES_DRIVER"

See Secure Boot for more details.

Speakers

This laptop by default uses the wrong playback device, defaulting to card 0 instead of card 2 which is the Realtek ALC287. This causes it to only use the bottom two speakers and not the top two woofers. We can fix this by manually changing the device used by creating 

/etc/modprobe.d/alc287.conf
options snd-hda-intel model=(null),alc287-yoga9-bass-spk-pin

and rebooting.

RDSEED32 is broken

With Linux ≥6.17.7 an RDSEED32 error message can be seen during boot: 

RDSEED32 is broken. Disabling the corresponding CPUID bit.

Error message is related to AMD-SB-7055/CVE-2025-62626 which affects AMD Zen 5 processors.

Fix will arrive in future UEFI versions: Lenovo Security Advisory: LEN-208435

At the moment of writing, UEFI version for Yoga Pro 7 14ASP9 is TBD with target availability 2026-02-27

LUKS passphrase entry appears frozen

RDSEED32 error message causes Panel Self Refresh (PSR) timing issues so that it seems like it is frozen on the LUKS passphrase entry.

Disabling it fixes the issue.

Panel Self Refresh

PSR can cause flickering and random freezes/crashes on AMD Ryzen AI 300 Series Processors and can be disabled to fix the issues.

Function keys

Key Visible?1 Marked?2 Effect
Fn+Esc No Yes Enables Fn lock
F1 Yes Yes XF86AudioMute
F2 Yes Yes XF86AudioLowerVolume
F3 Yes Yes XF86AudioRaiseVolume
F4 No Yes
F5 Yes Yes XF86MonBrightnessDown
F6 Yes Yes XF86MonBrightnessUp
F7 No Yes
F8 No Yes
F9 Yes Yes
F10 Yes Yes
F11 Yes Yes
F12 Yes Yes XF86Calculator
Fn+Space No Yes Enables/disables keyboard backlight
Fn+I Yes No Insert
Fn+P Yes No Pause
Fn+S Yes No Print
Fn+K Yes No Scroll Lock
Fn+B Yes No Break
Fn+Left Yes Yes Home
Fn+Right Yes Yes End
Fn+Up Yes Yes Page Up
Fn+Down Yes Yes Page Down
  1. The key is visible via xev and similar tools
  2. The physical key has a symbol on it, which describes its function
  3. systemd-logind handles this by default

See also