diff --git a/src/ui_client.py b/src/ui_client.py
index 7b449b6..fc3e50c 100644
--- a/src/ui_client.py
+++ b/src/ui_client.py
@@ -352,11 +352,18 @@ class UIClient:
         self.root.configure(bg=bg_color)
         self.root.title("Lighting Controller - UI Client")
         
-        # Set window size to fit all content properly - 4x4 button grid needs more space
-        self.root.geometry("2700x1800")
+        # Set window size to fit all content properly - removed knobs section
+        # Make window fit the screen
+        try:
+            self.root.state('zoomed')  # Windows
+        except:
+            try:
+                self.root.attributes('-zoomed', True)  # Linux
+            except:
+                self.root.attributes('-fullscreen', True)  # Fallback
         
-        # Load saved window geometry if available
-        self.load_window_geometry()
+        # Load saved window geometry if available (but don't override maximized state)
+        # self.load_window_geometry()
         
         # MIDI controller
         self.midi_controller = MidiController(None)
@@ -432,7 +439,7 @@ class UIClient:
 
         # Top bar: MIDI Controller (left) + Selected Colors (right)
         top_bar = ttk.Frame(self.root)
-        top_bar.pack(padx=16, pady=8, fill="x")
+        top_bar.pack(padx=16, pady=8, fill="x", expand=True)
 
         # MIDI Controller Selection (smaller, on the left)
         midi_frame = ttk.LabelFrame(top_bar, text="MIDI Controller")
@@ -493,15 +500,15 @@ class UIClient:
 
         # Controls overview
         controls_frame = ttk.Frame(self.root)
-        controls_frame.pack(padx=16, pady=8, fill="both")
+        controls_frame.pack(padx=16, pady=8, fill="both", expand=True)
 
         # Dials display
         dials_frame = ttk.LabelFrame(controls_frame, text="Dials (CC30-37)")
-        dials_frame.pack(side="left", padx=12)
+        dials_frame.pack(side="left", padx=12, fill="both", expand=True)
         for c in range(2):
-            dials_frame.grid_columnconfigure(c, minsize=210)
+            dials_frame.grid_columnconfigure(c, weight=1)
         for rr in range(4):
-            dials_frame.grid_rowconfigure(rr, minsize=105)
+            dials_frame.grid_rowconfigure(rr, weight=1)
 
         self.dials_boxes = []
         placeholders = {
@@ -526,47 +533,17 @@ class UIClient:
                 lbl.grid(row=r, column=c, padx=9, pady=9, sticky="nsew")
                 self.dials_boxes.append(lbl)
 
-        # Knobs display
-        knobs_frame = ttk.LabelFrame(controls_frame, text="Knobs (CC38-45)")
-        knobs_frame.pack(side="left", padx=12)
-        for c in range(2):
-            knobs_frame.grid_columnconfigure(c, minsize=210)
-        for rr in range(4):
-            knobs_frame.grid_rowconfigure(rr, minsize=105)
-
-        self.knobs_boxes = []
-        knob_placeholders = {
-            (0, 0): "CC44\n-", (0, 1): "CC45\n-",
-            (1, 0): "Rad n1\n-", (1, 1): "Rad delay\n-",
-            (2, 0): "Alt n1\n-", (2, 1): "Alt n2\n-",
-            (3, 0): "Pulse n1\n-", (3, 1): "Pulse n2\n-",
-        }
-        for r in range(4):
-            for c in range(2):
-                lbl = tk.Label(
-                    knobs_frame,
-                    text=knob_placeholders.get((r, c), "-"),
-                    bg=bg_color,
-                    fg=fg_color,
-                    font=("Arial", 21),
-                    padx=9, pady=9,
-                    borderwidth=3, relief="ridge",
-                    width=21, height=6,
-                    anchor="center", justify="center",
-                )
-                lbl.grid(row=r, column=c, padx=9, pady=9, sticky="nsew")
-                self.knobs_boxes.append(lbl)
 
         # Buttons display
         buttons_frame = ttk.Frame(controls_frame)
-        buttons_frame.pack(side="left", padx=12)
+        buttons_frame.pack(side="left", padx=12, fill="both", expand=True)
 
         buttons1_frame = ttk.LabelFrame(buttons_frame, text="Buttons (notes 36-51)")
-        buttons1_frame.pack(side="top", pady=8)
+        buttons1_frame.pack(side="top", pady=8, fill="both", expand=True)
         for c in range(4):
-            buttons1_frame.grid_columnconfigure(c, minsize=210)
+            buttons1_frame.grid_columnconfigure(c, weight=1)
         for rr in range(1, 5):
-            buttons1_frame.grid_rowconfigure(rr, minsize=105)
+            buttons1_frame.grid_rowconfigure(rr, weight=1)
         
         self.button1_cells = []
         for r in range(4):
@@ -828,16 +805,6 @@ class UIClient:
             if idx < len(self.dials_boxes):
                 self.dials_boxes[idx].config(text=f"{label}\n{value}")
 
-        # Update knobs
-        knob_values = [
-            ("CC44", self.midi_controller.knob7), ("CC45", self.midi_controller.knob8),
-            ("Rad n1", self.midi_controller.n1), ("Rad delay", self.midi_controller.delay),
-            ("Alt n1", self.midi_controller.n1), ("Alt n2", self.midi_controller.n2),
-            ("Pulse n1", self.midi_controller.n1), ("Pulse n2", self.midi_controller.n2),
-        ]
-        for idx, (label, value) in enumerate(knob_values):
-            if idx < len(self.knobs_boxes):
-                self.knobs_boxes[idx].config(text=f"{label}\n{value}")
 
         # Update buttons
         icon_for = {