Lenovo IdeaPad Yoga 900

The Lenovo Yoga 900 is a 2 in 1 laptop with a faux-3200x1800 RG/BW Pentile display.

Device	Status	Modules
Intel	Working	xf86-video-intel
Wireless	Working	iwlwifi
Audio	Working
Touchpad	Working	xf86-input-libinput
Touchscreen	Working	xf86-input-libinput
Camera	Working
Card Reader	Working
Bluetooth	Working	btusb

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

Lenovo has released a BIOS (version 2UCN10T) for Yoga 900 13ISK2, in which Lenovo gives back the right for choosing RAID/AHCI mode to the users. Hence, 13ISK2 is edible for Linux now.

Installation

BIOS

Lenovo does not currently offer a BIOS update ISO image. This means you can only upgrade the BIOS from Windows 10.

Wifi

During install the wifi-menu may show no networks. This is caused by a soft-block. Using rfkill should fix the issue.

rfkill unblock all

Configuration

Keyboard

Note:

BIOS has a setting to flip the behavior of the FN key.
The status below is based on Gnome

Keys	Function	Status
`Fn+F1`	Audio mute/unmute	Working
`Fn+F2`	Audio volume down	Working
`Fn+F3`	Audio volume up	Working
`Fn+F4`	Close application	Working
	Refresh page	Working
	Disable Touchpad	Not Working
	Airplane mode	Working
	Display active apps	Not Working
`Fn+F9`	Turn off LCD	Working
	Toggle display	Working
	Dim LCD backlight	Working
	Brighten LCD backlight	Working
`Fn+Space`	Toggle keyboard backlight	Working

KVM

KVM can be enabled in the BIOS via the Intel Virtual Technology option.

HiDPI

See HiDPI.

Sensors

Install the to get the accelerometer and light sensor working

Troubleshooting

Card Reader

Initial testing shows the card read working fine out of the box. There are a few errors on boot that need more research.

Boot message:

Insert of card message:

External Monitor

Several issues occur when trying to display on an external monitor. This laptop only has a display port over USBC-C, which requires dongles to connect to most monitors. Testing to a monitor with a display port connection has yielded the best result. Testing with HDMI and VGA dongles have revealed several issues. Often xrandr does not show a display connected. Rebooting with the monitor attached does not fix the issue. Sometimes running xrandr several times will show a connection.

If you try to force xrandr to display with the following:

Sometimes you will see the following kernel message:

Toggle Trackpad

Note: This fix has an unintended consequence that needs more research. The mapping will work and it disables the trackpad when you go into tablet mode. The issue is the trackpad will be automatically disabled if you close the laptop lid and re-open it. This requires you to hit F6 to re-enable it. Not mapping this key will leave the trackpad enabled in tablet mode, but otherwise all other operations are normal.

The trackpad key (F6) is not mapped correctly to toggle the trackpad. Using UDEV to Map scancodes to keycodes will restore this function. This is a custom hwdb file to restore the feature.

Depending of the exact model, the scancode can vary. If this not work, try or use as explained in Map scancodes to keycodes to get the scancode.

Screen Rotation

When you first boot the screen rotation may not work. A bug currently requires you to suspend and resume the laptop before the screen will rotate using the package.

Light Sensor

When you first boot the light sensor for automatic screen brightness may not work. A bug currently requires you to suspend and resume the laptop before the light sensor will work using the package.

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