diff --git a/html/launcher.php b/html/launcher.php
index 1f62403..65e3a0d 100755
--- a/html/launcher.php
+++ b/html/launcher.php
@@ -1755,12 +1755,13 @@ if ($type == "set_cpu_power_mode") {
 if ($type == "screen_control") {
     $action = $_GET['action'];
     if ($action == "start") {
-        // Run as background process
-        $command = 'nohup sudo /usr/bin/python3 /var/www/nebuleair_pro_4g/screen_control/screen.py > /dev/null 2>&1 &';
+        // Run as background process without sudo (requires www-data in video group)
+        // Redirecting to a temp log file to debug startup issues
+        $command = 'export DISPLAY=:0 && nohup /usr/bin/python3 /var/www/nebuleair_pro_4g/screen_control/screen.py > /tmp/screen_control.log 2>&1 &';
         shell_exec($command);
-        echo "Started";
+        echo "Started. Check /tmp/screen_control.log for details.";
     } elseif ($action == "stop") {
-        $command = 'sudo pkill -f "screen.py" 2>&1';
+        $command = 'pkill -f "screen.py" 2>&1';
         $output = shell_exec($command);
         echo "Stopped. Output: " . $output;
     }