diff --git a/- b/-
deleted file mode 100644
index 8b13789..0000000
--- a/-
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/src/hooks/useScreenRecorder.ts b/src/hooks/useScreenRecorder.ts
index ee848fa..ccaeb90 100644
--- a/src/hooks/useScreenRecorder.ts
+++ b/src/hooks/useScreenRecorder.ts
@@ -20,8 +20,6 @@ const DEFAULT_HEIGHT = 1080;
 const CODEC_ALIGNMENT = 2;
 const RECORDER_TIMESLICE_MS = 1000;
 const BITS_PER_MEGABIT = 1_000_000;
-const MIN_FRAME_RATE = 30;
-const CHROME_MEDIA_SOURCE = "desktop";
 const RECORDING_FILE_PREFIX = "recording-";
 const VIDEO_FILE_EXTENSION = ".webm";
 const AUDIO_BITRATE_VOICE = 128_000;
@@ -57,6 +55,11 @@ type UseScreenRecorderReturn = {
   setCountdownDelay: (delay: number) => void;
 };
 
+type ExtendedDisplayMediaStreamOptions = DisplayMediaStreamOptions & {
+  selfBrowserSurface?: "exclude" | "include";
+  surfaceSwitching?: "exclude" | "include";
+};
+
 export function useScreenRecorder(): UseScreenRecorderReturn {
   const [recording, setRecording] = useState(false);
   const [paused, setPaused] = useState(false);
@@ -571,45 +574,47 @@ export function useScreenRecorder(): UseScreenRecorderReturn {
 
       let videoTrack: MediaStreamTrack | undefined;
       let systemAudioIncluded = false;
-      const browserScreenVideoConstraints = {
-        mandatory: {
-          chromeMediaSource: CHROME_MEDIA_SOURCE,
-          chromeMediaSourceId: selectedSource.id,
-          maxWidth: TARGET_WIDTH,
-          maxHeight: TARGET_HEIGHT,
-          maxFrameRate: TARGET_FRAME_RATE,
-          minFrameRate: MIN_FRAME_RATE,
-          googCaptureCursor: false,
-        },
+      const displayMediaVideoConstraints = {
+        displaySurface: selectedSource.id?.startsWith("window:") ? "window" : "monitor",
+        width: { ideal: TARGET_WIDTH, max: TARGET_WIDTH },
+        height: { ideal: TARGET_HEIGHT, max: TARGET_HEIGHT },
+        frameRate: { ideal: TARGET_FRAME_RATE, max: TARGET_FRAME_RATE },
         cursor: "never" as const,
       };
+      const displayMediaOptions: ExtendedDisplayMediaStreamOptions = {
+        selfBrowserSurface: "exclude",
+        surfaceSwitching: "exclude",
+      };
 
       if (wantsAudioCapture) {
         let screenMediaStream: MediaStream;
 
         if (systemAudioEnabled) {
           try {
-            screenMediaStream = await (navigator.mediaDevices as any).getUserMedia({
-              audio: {
-                mandatory: {
-                  chromeMediaSource: CHROME_MEDIA_SOURCE,
-                  chromeMediaSourceId: selectedSource.id,
-                },
-              },
-                video: browserScreenVideoConstraints,
+            screenMediaStream = await navigator.mediaDevices.getDisplayMedia({
+              audio: true,
+              video: displayMediaVideoConstraints,
+              ...displayMediaOptions,
             });
+            if (screenMediaStream.getAudioTracks().length === 0) {
+              alert(
+                "System audio is not available for this source. Recording will continue without system audio.",
+              );
+            }
           } catch (audioError) {
             console.warn("System audio capture failed, falling back to video-only:", audioError);
             alert("System audio is not available for this source. Recording will continue without system audio.");
-            screenMediaStream = await (navigator.mediaDevices as any).getUserMedia({
+            screenMediaStream = await navigator.mediaDevices.getDisplayMedia({
               audio: false,
-                  video: browserScreenVideoConstraints,
+              video: displayMediaVideoConstraints,
+              ...displayMediaOptions,
             });
           }
         } else {
-          screenMediaStream = await (navigator.mediaDevices as any).getUserMedia({
+          screenMediaStream = await navigator.mediaDevices.getDisplayMedia({
             audio: false,
-                video: browserScreenVideoConstraints,
+            video: displayMediaVideoConstraints,
+            ...displayMediaOptions,
           });
         }
 
@@ -676,16 +681,9 @@ export function useScreenRecorder(): UseScreenRecorderReturn {
       } else {
         const mediaStream = await navigator.mediaDevices.getDisplayMedia({
           audio: false,
-          video: {
-            displaySurface: selectedSource.id?.startsWith("window:") ? "window" : "monitor",
-            width: { ideal: TARGET_WIDTH, max: TARGET_WIDTH },
-            height: { ideal: TARGET_HEIGHT, max: TARGET_HEIGHT },
-            frameRate: { ideal: TARGET_FRAME_RATE, max: TARGET_FRAME_RATE },
-            cursor: "never",
-          },
-          selfBrowserSurface: "exclude",
-          surfaceSwitching: "exclude",
-        } as any);
+          video: displayMediaVideoConstraints,
+          ...displayMediaOptions,
+        });
 
         stream.current = mediaStream;
         videoTrack = mediaStream.getVideoTracks()[0];