diff --git a/systest/gpu_stress_test.robot b/systest/gpu_stress_test.robot
index 76ed6b2..a384150 100755
--- a/systest/gpu_stress_test.robot
+++ b/systest/gpu_stress_test.robot
@@ -82,6 +82,7 @@
     Rpvars  loop_count
 
     REST Power On  stack_mode=skip
+    Run Key U  Sleep \ 15s
 
     # Collect data before the test starts.
     Collect NVIDIA Log File  start
@@ -155,6 +156,7 @@
     [Documentation]  Do the initial test setup.
 
     REST Power On  stack_mode=skip
+    Run Key U  Sleep \ 15s
     Delete All Error Logs
     Tool Exist  lspci
     Tool Exist  htxcmdline
diff --git a/systest/htx_hardbootme_test.robot b/systest/htx_hardbootme_test.robot
index 853241c..247016f 100755
--- a/systest/htx_hardbootme_test.robot
+++ b/systest/htx_hardbootme_test.robot
@@ -119,6 +119,7 @@
     Rpvars  loop_count  estimated_loop_time   estimated_time_remaining
 
     REST Power On  stack_mode=skip
+    Run Key U  Sleep \ 15s
 
     # Post Power off and on, the OS SSH session needs to be established.
     Login To OS
@@ -222,6 +223,7 @@
     [Documentation]  Do the initial test setup.
 
     REST Power On  stack_mode=skip
+    Run Key U  Sleep \ 15s
     Delete All Error Logs
     Tool Exist  htxcmdline