diff --git a/files_to_inject/preseeds/Debian Gaming Deployment Tool.desktop b/files_to_inject/preseeds/Debian Gaming Deployment Tool.desktop
new file mode 100755
index 0000000..b3e1844
--- /dev/null
+++ b/files_to_inject/preseeds/Debian Gaming Deployment Tool.desktop	
@@ -0,0 +1,23 @@
+[Desktop Entry]
+Version=1.0
+Type=Application
+Name=Debian Gaming Deployment Tool
+Name[fr]=Outil de Déploiement Gaming Debian
+Name[fr_CH]=Outil de Déploiement Gaming Debian
+Comment=Gaming installation script with GUI for Debian
+Comment[fr]=Script d'installation gaming avec interface graphique pour Debian
+Comment[fr_CH]=Script d'installation gaming avec interface graphique pour Debian
+GenericName=Gaming Setup Tool
+GenericName[fr]=Outil de Configuration Gaming
+GenericName[fr_CH]=Outil de Configuration Gaming
+Exec=/usr/bin/install_gaming.sh
+Icon=applications-games
+Terminal=false
+StartupNotify=true
+Categories=Game;System;Utility;
+Keywords=gaming;installation;debian;steam;wine;lutris;setup;
+MimeType=
+StartupWMClass=Debian Gaming Deployment Tool
+X-GNOME-UsesNotifications=true
+X-KDE-SubstituteUID=false
+X-Desktop-File-Install-Version=0.26
diff --git a/files_to_inject/preseeds/default.preseed b/files_to_inject/preseeds/default.preseed
index eb87f27..555ebe7 100755
--- a/files_to_inject/preseeds/default.preseed
+++ b/files_to_inject/preseeds/default.preseed
@@ -75,8 +75,8 @@ d-i pkgsel/include string \
 d-i grub-installer/only_debian boolean true
 d-i grub-installer/with_other_os boolean true
 
-# Choix manuel du périphérique d'installation GRUB
-d-i grub-installer/bootdev string manual
+# Détection automatique du périphérique d'installation GRUB
+d-i grub-installer/bootdev string default
 
 # Configuration post-installation : suppression navigateurs par défaut et installation Firefox Mozilla ainsi que fish
 d-i preseed/late_command string \
@@ -94,7 +94,9 @@ d-i preseed/late_command string \
     in-target dpkg --add-architecture i386 ; \
     in-target apt-get update ; \
     sh -c 'cp /cdrom/preseeds/install_gaming.sh /target/usr/local/bin/install_gaming.sh ; \
-           chmod +x /target/usr/local/bin/install_gaming.sh' \
+           chmod +x /target/usr/local/bin/install_gaming.sh' ; \
+    sh -c 'cp "/cdrom/preseeds/Debian Gaming Deployment Tool.desktop" /target/usr/share/applications/ ; \
+           chmod 644 /target/usr/share/applications/"Debian Gaming Deployment Tool.desktop"' \
 
 # Finalisation : redémarrage automatique
 d-i finish-install/reboot_in_progress note
\ No newline at end of file