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AnnoyingTechnology/HP ZBook Ultra G1a Ryzen AI Max+ 395 (Debian testing fixes).md

Last active September 23, 2025 06:08
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HP ZBook Ultra G1a Ryzen AI Max+ 395 (Debian testing fixes)
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HP ZBook Ultra G1a Ryzen AI Max+ 395 (Debian testing fixes).md

[EDIT] I gave up and sent back this laptop.

Kernel

Use 6.16.6

No Audio, despite soundcard recognized

apt install firmware-cirrus

Suspend doesn't suspend and doesn't wake up

In the BIOS, Advanced > System Options disable AMPF and Motion sensing cool mode

It helps, but it's still broken. edit: echo "blacklist ucsi_acpi" | sudo tee /etc/modprobe.d/zzz-ucsi-test.conf + updateinitramfs + reboot works

Charge limit to 80%

Currently broken. Bios settings is ignored. Gnome and Gnome specific extension don't support it.

Battery lifetime

Use amd_pstate=active, allows to drop the package down to 3W.

Use as much VRAM as needed

in your grub default amd_pstate=guided ttm.pages_limit=25165824 ttm.page_pool_size=25165824

The Kernel will dynamicall allocate up to 96Gb of VRAM.

Fingerprint sensors

apt install fprintd + the right libpam

Camera

Broken

Wifi

Works OTB

Bluetooth

Works OTB

Backlit keyboard

Works OTB

Backlight display

Works OTB

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