diff --git a/cluster4npu_ui/core/functions/Multidongle.py b/cluster4npu_ui/core/functions/Multidongle.py
index 6e1c88b..9a4a7a5 100644
--- a/cluster4npu_ui/core/functions/Multidongle.py
+++ b/cluster4npu_ui/core/functions/Multidongle.py
@@ -289,9 +289,9 @@ class MultiDongle:
             sys.exit(1)
 
         # setting timeout of the usb communication with the device
+        # Note: Timeout setting removed as it causes crashes when camera is connected
         print('[Set Device Timeout]')
-        # kp.core.set_timeout(device_group=self.device_group, milliseconds=5000)
-        print(' - Success')
+        print(' - Skipped (prevents camera connection crashes)')
 
         # if self.upload_fw:
         try:
diff --git a/cluster4npu_ui/ui/dialogs/deployment.py b/cluster4npu_ui/ui/dialogs/deployment.py
index abc20b3..4249a9b 100644
--- a/cluster4npu_ui/ui/dialogs/deployment.py
+++ b/cluster4npu_ui/ui/dialogs/deployment.py
@@ -32,8 +32,8 @@ from PyQt5.QtWidgets import (
     QCheckBox, QGroupBox, QScrollArea, QTableWidget, QTableWidgetItem,
     QHeaderView, QMessageBox, QSplitter, QFrame
 )
-from PyQt5.QtCore import Qt, QThread, pyqtSignal, QTimer
-from PyQt5.QtGui import QFont, QColor, QPalette, QImage, QPixmap
+from PyQt5.QtCore import Qt, QThread, pyqtSignal, QTimer, qRegisterMetaType
+from PyQt5.QtGui import QFont, QColor, QPalette, QImage, QPixmap, QTextCursor
 
 # Import our converter and pipeline system
 sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'core', 'functions'))
@@ -317,6 +317,9 @@ class DeploymentDialog(QDialog):
     
     def __init__(self, pipeline_data: Dict[str, Any], parent=None):
         super().__init__(parent)
+        # Register QTextCursor for thread-safe signal passing
+        qRegisterMetaType(QTextCursor)
+        
         self.pipeline_data = pipeline_data
         self.deployment_worker = None
         self.pipeline_config = None
@@ -877,19 +880,22 @@ Stage Configurations:
     def update_terminal_output(self, terminal_text: str):
         """Update the terminal output display with new text."""
         try:
-            # Append to terminal display (keep last 200 lines)
-            current_text = self.terminal_output_display.toPlainText()
-            lines = current_text.split('\n')
-            if len(lines) > 200:
-                lines = lines[-100:]  # Keep last 100 lines
-                current_text = '\n'.join(lines)
-            
-            self.terminal_output_display.setPlainText(current_text + terminal_text)
+            # Use append() instead of setPlainText() for better performance and no truncation
+            self.terminal_output_display.append(terminal_text.rstrip('\n'))
             
             # Auto-scroll to bottom
             scrollbar = self.terminal_output_display.verticalScrollBar()
             scrollbar.setValue(scrollbar.maximum())
             
+            # Optional: Limit total lines to prevent excessive memory usage
+            # Only trim if we have way too many lines (e.g., > 1000)
+            document = self.terminal_output_display.document()
+            if document.lineCount() > 1000:
+                cursor = self.terminal_output_display.textCursor()
+                cursor.movePosition(cursor.Start)
+                cursor.movePosition(cursor.Down, cursor.KeepAnchor, 200)  # Select first 200 lines
+                cursor.removeSelectedText()
+            
         except Exception as e:
             print(f"Error updating terminal output: {e}")