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diff --git a/know-how/hardware/hp-spectre-x360/_posts/2018-09-02-mute-led.md b/know-how/hardware/hp-spectre-x360/_posts/2018-09-02-mute-led.md
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+---
+title: hp Spectre x360 Mute LED
+language: en
+layout: default
+created: 2018-09-02 15:15:45 +0200
+updated: 2018-09-02 15:15:45 +0200
+toc: false
+tags:
+  - know-how
+  - hardware
+  - hp
+  - spectre
+  - mute
+  - led
+  - gpio
+---
+The LED in the mute key doesn't work out of the box. To enable it, add a file `/etc/modprobe.d/hp-spectre.conf`
+with the following contents:
+
+```
+options snd-hda-intel model=mute-led-gpio
+```
+
+After a reboot, the LED should light up when the audio is muted.
+
+(Source: [wiki.archlinux.org](https://wiki.archlinux.org/index.php/HP_Spectre_x360_15-ap012dx#Mute_Button_LED))