diff --git a/README.md b/README.md
index b01a7dca95c6c8fa4e8323ebd6cc838333f49e32..a4f9f9bc2d41843a6e98dcab9521b73f72d194f7 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,10 @@ HZ-W19
 Intel Core m5-6Y54 2 x 1.1 - 2.7 GHz, Skylake
 Intel HD Graphics 515
 
+# Screen fickering
+
+*  Add `intel_idle.max_cstate=4` to kernel parameters
+
 
 # Need to install :