diff --git a/data_pools_api.py b/data_pools_api.py
index 8fcc1bb..a7733c6 100644
--- a/data_pools_api.py
+++ b/data_pools_api.py
@@ -7,15 +7,13 @@ def data_pools(base_url , api_key): #output data pool info
     if response.status_code == 200:
         data_pools = response.json()
         results_data_pools_info = data_pools['results']
-
         print("\nData pools overview:")
         print(f"\nData pools total: {data_pools['count']}")
         print("-" * 44)         
         for x in results_data_pools_info:
             print(f"\nData pool: {x['verbose_name']} ({x['status']})")
-            print(f"type: {x['type']} | Used: {round((x['free_space']/1024), 1)} Gb/{round((x['size'] / 1024), 1)} Gb")
-            print(f"UID: {x['id']}")
-            print("-" * 44)
-        
+            print(f"Type: {x['type']} | Used: {round((x['free_space']/1024), 1)} Gb / {round((x['size'] / 1024), 1)} Gb")
+            print(f"UUID: {x['id']}")
+            print("-" * 44) 
     else:
         print(f"Failed to retrieve data {response.status_code} ")
diff --git a/domain_api.py b/domain_api.py
index 8c5369e..923c49c 100644
--- a/domain_api.py
+++ b/domain_api.py
@@ -3,7 +3,6 @@
 
 import requests
 import secrets #for generating unique names
-#from main import power_state 
 
 
 power_state = ["Unknown" , "Off" , "Suspend" , "On"] #3 - on; 2 - suspend; 1 - off; 0 - unknown
@@ -152,4 +151,17 @@ def create_and_attach_disk(base_url , api_key , vm_id, data_pool_uuid, vdisk_siz
         return True
     else:
         print(f"ERROR creating vDisk :\n {response.status_code} - {response.text}")
-        return False  
\ No newline at end of file
+        return False  
+
+#checks for power on.     
+def vm_check_power(base_url , api_key , vm_uuids):
+    domain_info = get_domain_info(base_url , api_key , vm_uuids)
+
+    if domain_info:
+        #3 - on; 2 - suspend; 1 - off; 0 - unknown
+        if domain_info['user_power_state'] == 3 or domain_info['user_power_state'] == 2 : #if ON or SUSPEND
+            raise Exception(f"VM - {vm_uuids} IS POWERED ON! \n Turn it off and relaunch Utility.")
+        if domain_info['user_power_state'] == 0:  
+            raise Exception(f"VM - {vm_uuids} is UNAVAILABLE! \n Have fun figuring that out D:")
+        if domain_info['user_power_state'] == 1:
+            print(f"VM - {vm_uuids} Power check passed!")
\ No newline at end of file
diff --git a/main.py b/main.py
index 11af9c1..53ac68f 100644
--- a/main.py
+++ b/main.py
@@ -4,11 +4,8 @@ from cluster_api import *
 from domain_api import * 
 from data_pools_api import *
 
-#config.txt in the same directory with main.py
-config_relative_path = os.path.join(os.getcwd() , 'config.txt')
-print(config_relative_path)
-#check if config exists and not empty            
-if os.path.exists(config_relative_path) and os.path.getsize(config_relative_path) > 0: 
+config_relative_path = os.path.join(os.getcwd() , 'config.txt')  #config.txt in the same directory with main.py      
+if os.path.exists(config_relative_path) and os.path.getsize(config_relative_path) > 0: #check if config exists and not empty   
     pass #do nothing
 else:
     print("Config file was not found or empty.. ")
@@ -53,6 +50,7 @@ while(menu_choice != ""):    #main menu loop
         if sub_choice == "2":
             print(vm_uuids)
             select_uuids=int(input("Select VM to delete disks from. \n Type VM uuid index number (from list above) to select: ")) - 1
+            vm_check_power(vm_uuids[select_uuids]) #power on check
             domain_all_content = get_domain_all_content(base_url , api_key , vm_uuids[select_uuids])
             disk_uuids = get_disk_uuids(base_url , api_key , domain_all_content)
             for x in disk_uuids:
@@ -66,6 +64,9 @@ while(menu_choice != ""):    #main menu loop
             
         if sub_choice == "4":
             print("#" * 5 , "Preparing VMs for Courses" , "#" * 5) 
+            for y in vm_uuids: #power-on check
+                domain_uuid = y.strip('\n')
+                vm_check_power(base_url , api_key , domain_uuid)
             for x in vm_uuids: # only for removing disks
                 domain_uuid = x.strip('\n')
                 domain_info = get_domain_info(base_url , api_key , domain_uuid)
@@ -94,5 +95,5 @@ while(menu_choice != ""):    #main menu loop
     if menu_choice == "5":
         data_pools(base_url , api_key)
     if menu_choice == "6":
-        vm_info_short(base_url , api_key)
+        vm_info_short(base_url , api_key)       
 print("Exiting Utility..")
\ No newline at end of file