diff --git a/XPS-13-7390-2-in-1--.md b/XPS-13-7390-2-in-1--.md
index d80c06d..9596a7e 100644
--- a/XPS-13-7390-2-in-1--.md
+++ b/XPS-13-7390-2-in-1--.md
@@ -198,6 +198,24 @@ change /etc/default/grub : add your resume UUID into GRUB_CMDLINE_LINUX_DEFAULT
 GRUB_CMDLINE_LINUX_DEFAULT="quiet splash resume=UUID=75034ff5-...-9e4564e16d34"
 ~~~
 
+## enable hibernate in system
+
+/etc/polkit-1/localauthority/50-local.d/com.ubuntu.enable-hibernate.pkla
+
+~~~
+[Réactive hiberner par défaut dans upower]
+Identity=unix-user:*
+Action=org.freedesktop.upower.hibernate
+ResultActive=yes
+
+[Réactive hiberner par défaut dans logind]
+Identity=unix-user:*
+Action=org.freedesktop.login1.hibernate;org.freedesktop.login1.handle-hibernate-key;org.freedesktop.login1;org.freedesktop.login1.hibernate-multiple-sessions;org.freedesktop.login1.hibernate-ignore-inhibit
+ResultActive=yes
+~~~
+
+[](https://doc.ubuntu-fr.org/tutoriel/activer_hibernation)
+
 kernel lockdown prevent hibernation :
 
 [](https://unix.stackexchange.com/questions/591488/why-does-the-kernel-lockdown-prevent-hibernation)