diff --git a/src/App.tsx b/src/App.tsx
index 58ac980..75ede5e 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,40 +1,29 @@
-import { useState } from "react";
 import { Routes, Route, Navigate } from "react-router";
 
 import AuthInitializer from "@/hooks/AuthListener";
 import AuthLayout from "@/layouts/AuthLayout";
 import SignInPage from "@/pages/auth/sign-in/SignInPage";
 import SignUpPage from "@/pages/auth/sign-up/SignUpPage";
-import BootScreen from "@/pages/os/BootScreen";
 import OsMain from "@/pages/os/OsMain";
 import ProtectedRoute from "@/router/ProtectedRoute";
 import PublicRoute from "@/router/PublicRoute";
 
 export default function App() {
-  const [isBooting, setIsBooting] = useState(false);
-  const USE_ENTER_MODE = true;
-
   return (
     <>
       <AuthInitializer />
-      {!isBooting ? (
-        <BootScreen onComplete={() => setIsBooting(true)} useEnterMode={USE_ENTER_MODE} />
-      ) : (
-        <Routes>
-          <Route element={<PublicRoute />}>
-            <Route element={<AuthLayout />}>
-              <Route path="/signin" element={<SignInPage />} />
-              <Route path="/signup" element={<SignUpPage />} />
-            </Route>
-          </Route>
-
-          <Route element={<ProtectedRoute />}>
-            <Route path="/" element={<OsMain />} />
+      <Routes>
+        <Route element={<PublicRoute />}>
+          <Route element={<AuthLayout />}>
+            <Route path="/signin" element={<SignInPage />} />
+            <Route path="/signup" element={<SignUpPage />} />
           </Route>
-
-          <Route path="*" element={<Navigate to="/" replace />} />
-        </Routes>
-      )}
+        </Route>
+        <Route element={<ProtectedRoute />}>
+          <Route path="/" element={<OsMain />} />
+        </Route>
+        <Route path="*" element={<Navigate to="/" replace />} />
+      </Routes>
     </>
   );
 }
diff --git a/src/assets/cursors/default.svg b/src/assets/cursors/default.svg
deleted file mode 100644
index 33caa93..0000000
--- a/src/assets/cursors/default.svg
+++ /dev/null
@@ -1,9 +0,0 @@
-<svg width="11" height="19" viewBox="0 0 11 19" fill="none" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-<rect width="11" height="19" fill="url(#pattern0_128_4823)"/>
-<defs>
-<pattern id="pattern0_128_4823" patternContentUnits="objectBoundingBox" width="1" height="1">
-<use xlink:href="#image0_128_4823" transform="scale(0.0909091 0.0526316)"/>
-</pattern>
-<image id="image0_128_4823" width="32" height="32" preserveAspectRatio="none" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAQAAADZc7J/AAAABGdBTUEAALGPC/xhBQAAACBjSFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAAmJLR0QA/4ePzL8AAAAJcEhZcwAAAMgAAADIAGP6560AAAAHdElNRQfnAxENEjbXBr2pAAAAAW9yTlQBz6J3mgAAAE9JREFUSMft1DEOgDAMBMH8/9ODhKCgJEtB4Ut9o8hyspYVoxJEgkgQCSJBJIgEkSASz+p93u9BGuJZ3B/iVQrAt0v9h4cV79B/qMlkspUDy6OiXkvcw/4AAAAldEVYdGRhdGU6Y3JlYXRlADIwMjMtMDMtMTdUMTM6MTg6NTMrMDA6MDBneXhYAAAAJXRFWHRkYXRlOm1vZGlmeQAyMDIzLTAzLTE3VDEzOjE4OjUxKzAwOjAwgbvRzQAAAABJRU5ErkJggg=="/>
-</defs>
-</svg>
diff --git a/src/assets/cursors/disabled.svg b/src/assets/cursors/disabled.svg
deleted file mode 100644
index 61dd734..0000000
--- a/src/assets/cursors/disabled.svg
+++ /dev/null
@@ -1,4 +0,0 @@
-<svg width="18" height="18" viewBox="0 0 18 18" fill="none" xmlns="http://www.w3.org/2000/svg">
-<path fill-rule="evenodd" clip-rule="evenodd" d="M1 6H0V12H1V14H2V15H3V16H4V17H6V18H12V17H14V16H15V15H16V14H17V12H18V6H17V4H16V3H15V2H14V1H12V0H6V1H4V2H3V3H2V4H1V6ZM7 3V2H11V3H13V4H14V5H15V7H16V11H15V13H14V12H13V11H12V10H11V9H10V8H9V7H8V6H7V5H6V4H5V3H7ZM12 13H11V12H10V11H9V10H8V9H7V8H6V7H5V6H4V5H3V7H2V11H3V13H4V14H5V15H7V16H11V15H13V14H12V13Z" fill="black"/>
-<path opacity="0.1" d="M7 3V2H11V3H13V4H14V5H15V7H16V11H15V13H14V14H13V15H11V16H7V15H5V14H4V13H3V11H2V7H3V5H4V4H5V3H7Z" fill="white"/>
-</svg>
diff --git a/src/assets/cursors/loading.svg b/src/assets/cursors/loading.svg
deleted file mode 100644
index 305dcd6..0000000
--- a/src/assets/cursors/loading.svg
+++ /dev/null
@@ -1,9 +0,0 @@
-<svg width="15" height="24" viewBox="0 0 15 24" fill="none" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-<rect width="15" height="24" fill="url(#pattern0_119_208)"/>
-<defs>
-<pattern id="pattern0_119_208" patternContentUnits="objectBoundingBox" width="1" height="1">
-<use xlink:href="#image0_119_208" transform="scale(0.0666667 0.0416667)"/>
-</pattern>
-<image id="image0_119_208" width="15" height="24" preserveAspectRatio="none" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA8AAAAYCAYAAAAlBadpAAAA00lEQVQ4Ea2U0Q7CIAxFpxH8/88VXsxdPKQtHZtRXgrcntvSJdu2H9ZNbCnl9a1H7/35sFBrzR7Tfa113DvYCiNjsdnblq7Wr1ZWy2LuC+NTKYVpP8bolsJqX6CNEdTZwVSSkIFWV84YmA5872xwgAxrqoxAYozoArVc5c+d6wCDCCrXvRn4apwqZ+8+qu4qRxCIAaLT2aiMQCIJNmLG+13lCJKMQdQdTJKiQCVHA5uTwhZcGUxwBh4Z7ANjWLals72G5v4kcSCZgZ2Bg62QgX+9ewMkImbQGkZmvQAAAABJRU5ErkJggg=="/>
-</defs>
-</svg>
diff --git a/src/assets/cursors/pointer.svg b/src/assets/cursors/pointer.svg
deleted file mode 100644
index a794fc9..0000000
--- a/src/assets/cursors/pointer.svg
+++ /dev/null
@@ -1,9 +0,0 @@
-<svg width="17" height="22" viewBox="0 0 17 22" fill="none" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-<rect width="17" height="22" fill="url(#pattern0_128_4818)"/>
-<defs>
-<pattern id="pattern0_128_4818" patternContentUnits="objectBoundingBox" width="1" height="1">
-<use xlink:href="#image0_128_4818" transform="matrix(0.0588235 0 0 0.0454545 -0.294118 -0.409091)"/>
-</pattern>
-<image id="image0_128_4818" width="32" height="32" preserveAspectRatio="none" xlink:href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAQAAADZc7J/AAAABGdBTUEAALGPC/xhBQAAACBjSFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAAAmJLR0QA/4ePzL8AAAAJcEhZcwAAAMgAAADIAGP6560AAAAHdElNRQfnAxENFCPsgf7EAAAAAW9yTlQBz6J3mgAAAFlJREFUSMft0uEKABAMhdH7/i89FIqWxp2U9u23QwCi6FqSh1leYoiPgGOkAufMAHSGA2x30nZSAQvRjzu3BYgCiPlhaQDwAIQCFgQJ7Hyl9wBALvcAlLlVAtGDhYkAuoxdAAAAJXRFWHRkYXRlOmNyZWF0ZQAyMDIzLTAzLTE3VDEzOjIwOjMyKzAwOjAwjVRcngAAACV0RVh0ZGF0ZTptb2RpZnkAMjAyMy0wMy0xN1QxMzoyMDozMSswMDowMM3h/r8AAAAASUVORK5CYII="/>
-</defs>
-</svg>
diff --git a/src/assets/os/bios.png b/src/assets/os/bios.png
deleted file mode 100644
index 7984a05..0000000
Binary files a/src/assets/os/bios.png and /dev/null differ
diff --git a/src/assets/sounds/windows95-startup-sound.mp3 b/src/assets/sounds/windows95-startup-sound.mp3
deleted file mode 100644
index b9e0f6f..0000000
Binary files a/src/assets/sounds/windows95-startup-sound.mp3 and /dev/null differ
diff --git a/src/pages/os/BootScreen.tsx b/src/pages/os/BootScreen.tsx
deleted file mode 100644
index e58a66e..0000000
--- a/src/pages/os/BootScreen.tsx
+++ /dev/null
@@ -1,51 +0,0 @@
-import { useEffect } from "react";
-
-import Bios from "@/assets/os/bios.png";
-import StartupSound from "@/assets/sounds/windows95-startup-sound.mp3";
-
-interface BootScreenProps {
-  onComplete: () => void;
-  useEnterMode: boolean;
-}
-
-export default function BootScreen({ onComplete, useEnterMode }: BootScreenProps) {
-  useEffect(() => {
-    if (!useEnterMode) return;
-
-    const handleKeyDown = async (event: KeyboardEvent) => {
-      if (event.key === "Enter") {
-        onComplete();
-
-        try {
-          const audio = new Audio(StartupSound);
-          audio.volume = 0.1;
-          await audio.play();
-        } catch (error) {
-          console.error("오디오 에러:", error);
-        }
-      }
-    };
-
-    window.addEventListener("keydown", handleKeyDown);
-
-    return () => window.removeEventListener("keydown", handleKeyDown);
-  }, [useEnterMode, onComplete]);
-
-  useEffect(() => {
-    if (useEnterMode) return;
-
-    const timer = setTimeout(() => {
-      onComplete();
-    }, 2000);
-
-    return () => clearTimeout(timer);
-  }, [useEnterMode, onComplete]);
-
-  return (
-    <div className="fixed inset-0 flex items-center justify-center bg-black p-4">
-      <div className="flex h-full w-full flex-col items-center justify-center gap-6">
-        <img src={Bios} alt="바이오스 화면" className="max-h-[90vh] w-auto object-contain" />
-      </div>
-    </div>
-  );
-}
diff --git a/src/router/ProtectedRoute.tsx b/src/router/ProtectedRoute.tsx
index 787727f..8cb120f 100644
--- a/src/router/ProtectedRoute.tsx
+++ b/src/router/ProtectedRoute.tsx
@@ -3,7 +3,11 @@ import { Navigate, Outlet } from "react-router";
 import { useAuthUser } from "@/hooks/useAuthUser";
 
 export default function ProtectedRoute() {
-  const { isLoggedIn } = useAuthUser();
+  const { isLoggedIn, isLoading } = useAuthUser();
+
+  if (isLoading) {
+    return <div>Loading...</div>;
+  }
 
   if (!isLoggedIn) {
     return <Navigate to="/signin" replace />;
diff --git a/src/router/PublicRoute.tsx b/src/router/PublicRoute.tsx
index 1c2d295..1cca07c 100644
--- a/src/router/PublicRoute.tsx
+++ b/src/router/PublicRoute.tsx
@@ -3,7 +3,11 @@ import { Navigate, Outlet } from "react-router";
 import { useAuthUser } from "@/hooks/useAuthUser";
 
 export default function PublicRoute() {
-  const { isLoggedIn } = useAuthUser();
+  const { isLoggedIn, isLoading } = useAuthUser();
+
+  if (isLoading) {
+    return <div>Loading...</div>;
+  }
 
   if (isLoggedIn) {
     return <Navigate to="/" replace />;