diff --git a/system_stm32l1xx.c b/system_stm32l1xx.c
--- a/system_stm32l1xx.c
+++ b/system_stm32l1xx.c
@@ -374,7 +374,7 @@ static void SetSysClock(void)
   }
   else
   {
-	while(1);
+//	while(1);
     /* If HSE fails to start-up, the application will have wrong clock
        configuration. User can add here some code to deal with this error */
   }