diff --git a/rdp_client.py b/rdp_client.py
index a50f178..f01384f 100755
--- a/rdp_client.py
+++ b/rdp_client.py
@@ -891,7 +891,7 @@ Multi-Monitor Support:
                 multimon = conn.get("multimon", "No")
                 use_specific_monitors = multimon in ["2 Monitors", "3 Monitors", "4 Monitors"]
                 
-                # Get monitor list once if needed
+                # Get monitor list if needed
                 monitor_list = None
                 if use_specific_monitors:
                     if multimon == "2 Monitors":
@@ -901,15 +901,11 @@ Multi-Monitor Support:
                     elif multimon == "4 Monitors":
                         monitor_list = self._get_best_monitor_selection(4)
                 
-                # Resolution - calculate proper size for specific monitor selection
+                # Resolution - for specific monitors, use /f with /monitors
                 resolution = conn.get("resolution", "1920x1080")
-                if resolution == "Full Screen" and not use_specific_monitors:
+                if resolution == "Full Screen":
                     cmd.append("/f")
-                elif resolution == "Full Screen" and use_specific_monitors:
-                    # Calculate combined resolution for selected monitors
-                    combined_res = self._get_monitors_combined_resolution(monitor_list)
-                    cmd.append(f"/size:{combined_res}")
-                    self.logger.info(f"Using calculated resolution {combined_res} for {multimon}: {monitor_list}")
+                    self.logger.info("Using fullscreen mode")
                 else:
                     cmd.append(f"/size:{resolution}")
                 
@@ -917,15 +913,10 @@ Multi-Monitor Support:
                 color_depth = conn.get("color_depth", 32)
                 cmd.append(f"/bpp:{color_depth}")
                 
-                # Multiple monitors - try different approaches for better compatibility
+                # Multiple monitors - use /f + /monitors for fullscreen across specific monitors
                 if use_specific_monitors:
-                    # Method 1: Try /monitors: without /size for better compatibility
                     cmd.append(f"/monitors:{monitor_list}")
-                    self.logger.info(f"Using specific monitors for {multimon}: {monitor_list} (Method 1: /monitors: only)")
-                    
-                    # Remove the /size: parameter we added earlier - let /monitors: handle sizing
-                    cmd = [x for x in cmd if not x.startswith('/size:')]
-                    self.logger.info("Removed /size: parameter to avoid conflict with /monitors:")
+                    self.logger.info(f"Using fullscreen across specific monitors for {multimon}: {monitor_list}")
                     
                 elif multimon == "All Monitors":
                     cmd.append("/multimon")