diff --git a/src/com/limelight/Limelight.java b/src/com/limelight/Limelight.java
index d66c9b26..c7442735 100644
--- a/src/com/limelight/Limelight.java
+++ b/src/com/limelight/Limelight.java
@@ -53,6 +53,11 @@ private void startUp(StreamConfiguration streamConfig, List<String> inputs, Stri
 			System.err.println("You are using a unsupported VM: " + vm);
 			System.err.println("Please update to Oracle Java (Embedded) for better performances");
 		}
+		String display = System.getenv("DISPLAY");
+		if (display!=null) {
+			System.err.println("X server is propably running");
+			System.err.println("Please exit the X server for a lower latency");
+		}
 	
 		conn = new NvConnection(host, this, streamConfig);