diff --git a/install/config/hardware/fix-tuxedo-backlight.sh b/install/config/hardware/fix-tuxedo-backlight.sh
index cd5a461c..87440873 100644
--- a/install/config/hardware/fix-tuxedo-backlight.sh
+++ b/install/config/hardware/fix-tuxedo-backlight.sh
@@ -2,4 +2,14 @@
 # compatible devices like the Slimbook Executive (Clevo/Tuxedo chassis).
 if cat /sys/class/dmi/id/sys_vendor 2>/dev/null | grep -qi "TUXEDO\|Slimbook"; then
   omarchy-pkg-add linux-headers tuxedo-drivers-nocompatcheck-dkms
+
+  # Blacklist the legacy clevo_xsm_wmi module which conflicts with the tuxedo-drivers
+  # clevo_wmi module. When clevo_xsm_wmi loads first, it grabs the Clevo WMI GUIDs,
+  # preventing tuxedo-drivers from initializing the keyboard backlight properly.
+  echo "blacklist clevo_xsm_wmi" | sudo tee /etc/modprobe.d/blacklist-clevo-xsm-wmi.conf > /dev/null
+
+  # Remove any orphaned clevo_xsm_wmi module files not managed by a package
+  for f in /lib/modules/*/extra/clevo-xsm-wmi.ko; do
+    [ -f "$f" ] && sudo rm "$f"
+  done
 fi