diff --git a/mmpose/loop_mmpose.py b/mmpose/loop_mmpose.py
index 6f18a880..eed0e461 100644
--- a/mmpose/loop_mmpose.py
+++ b/mmpose/loop_mmpose.py
@@ -35,7 +35,13 @@ def checkCudaPyTorch():
 if os.path.isfile(video_path):
     os.remove(video_path)
 
-checkCudaPyTorch()
+# checkCudaPyTorch()
+if torch.cuda.is_available():
+    num_gpus = torch.cuda.device_count()
+    logging.info(f"Found {num_gpus} GPU(s).")
+else:
+    logging.info("No GPU detected. Exiting.")
+    raise Exception("No GPU detected. Exiting.")
 while True:    
     if not os.path.isfile(video_path):
         time.sleep(0.1)
@@ -48,7 +54,13 @@ def checkCudaPyTorch():
     os.makedirs(output_dir)
     
     try:
-        checkCudaPyTorch()
+        # checkCudaPyTorch()
+        if torch.cuda.is_available():
+            num_gpus = torch.cuda.device_count()
+            logging.info(f"Found {num_gpus} GPU(s).")
+        else:
+            logging.info("No GPU detected. Exiting.")
+            raise Exception("No GPU detected. Exiting.")
         # Run human detection.
         pathModelCkptPerson = model_ckpt_person
         bboxPath = os.path.join(output_dir, 'box.pkl')
diff --git a/openpose/loop_openpose.py b/openpose/loop_openpose.py
index 77acbb10..87d0a9a3 100644
--- a/openpose/loop_openpose.py
+++ b/openpose/loop_openpose.py
@@ -75,7 +75,16 @@ def getResolutionCommand(resolutionPoseDetection, horizontal):
 #%% 
 
 logging.info("Waiting for data...")
-check_cuda_device()
+# check_cuda_device()
+try:
+    # Run the nvidia-smi command and capture the output
+    _ = subprocess.check_output(["nvidia-smi"])
+    # If the command ran successfully, assume a CUDA device is present
+    logging.info("A CUDA-capable device is detected.")
+except subprocess.CalledProcessError as e:
+    # If the command fails, it means no CUDA device is detected
+    logging.info("No CUDA-capable device is detected. Error:", e)
+    raise Exception("No CUDA-capable device is detected.")
 
 video_path = "/openpose/data/video_openpose.mov"
 output_dir = "/openpose/data/output_openpose"
@@ -102,7 +111,16 @@ def getResolutionCommand(resolutionPoseDetection, horizontal):
     horizontal = getVideoOrientation(video_path)
     cmd_hr = getResolutionCommand(resolutionPoseDetection, horizontal)
 
-    check_cuda_device()
+    # check_cuda_device()
+    try:
+        # Run the nvidia-smi command and capture the output
+        _ = subprocess.check_output(["nvidia-smi"])
+        # If the command ran successfully, assume a CUDA device is present
+        logging.info("A CUDA-capable device is detected.")
+    except subprocess.CalledProcessError as e:
+        # If the command fails, it means no CUDA device is detected
+        logging.info("No CUDA-capable device is detected. Error:", e)
+        raise Exception("No CUDA-capable device is detected.")
     command = "/openpose/build/examples/openpose/openpose.bin\
         --video {video_path}\
         --display 0\