diff --git a/external-monitor.sh b/external-monitor.sh
new file mode 100755
index 0000000..f725aec
--- /dev/null
+++ b/external-monitor.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+if xrandr | grep 'HDMI-A-0' | grep connected >/dev/null; then
+    # Turn off laptop monitor
+	xrandr --output eDP --off
+    # Make sure it's running at 144hz
+	xrandr --output HDMI-A-0 --mode 1920x1080 --rate 144
+    # Enable tear free
+	xrandr --output HDMI-A-0 --set TearFree on
+else
+    # Just enable tearfree
+	xrandr --output eDP --set TearFree on
+fi