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System-level NixOS configuration for an October 2019 Thinkpad x395
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NixOS for a Lenovo Thinkpad X395

Because of the various and sundry complications with getting NixOS to work on this machine, I'm posting my system level configuration files here.

Be sure to disable secure boot. NixOS cannot boot with secure boot mode enabled in UEFI

Feature Status
Suspend/Resume usually working
Restart working
X working
Sound working
Backlight brightness working
Webcam working
Avahi working
Lock on suspend delegated to user space
Disable Root user no

Suspend/Resume sometimes fails. It appears to fail in the suspend step, in that the screen remains on, the laptop remains on, but the system remains unresponsive.


  • Ryzen 7 PRO 3700U 2.3G
  • 16GB DDR4 2666
  • Graphics: Radeon Mobile Vega Gfx (processor integrated)
  • Wireless: Intel 9260
  • Storage: 1TB M.2 2280 NVMe


Graham Christensen for introducing me to NixOS originally.

adisbladis in the #nixos-chat channel for pointing me to the correct kernel and for providing an install image.

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