Redémarrer sur le Tails définitif

Redémarrer sur le nouveau Tails

Redémarrer sur la clé USB Tails

  1. Éteindre l'ordinateur.

    Clé USB débranchée sur la gauche et ordinateur redémarrant avec la clé USB sur la droite DVD éjecté et ordinateur redémarrant avec la clé USB sur la droite
  2. Déconnecter la première l'autre clé USB et laisser la seconde la nouvelle clé USB connectée.

    Éjecter le DVD et laisser la clé USB connectée.

  3. Allumer l'ordinateur.

    Immediately press-and-hold the Option key (Alt key) until a list of possible startup disks appears.

    'Option' or 'alt' key in the bottom left of Mac keyboard

    Choose the USB stick and press Enter. The USB stick appears as an external hard disk and might be labeled EFI Boot or Windows like in the following screenshot:

    Screen with the logo of an internal hard disk labeled 'Macintosh HD' and an external hard disk labelled 'Windows' (selected)

    Certains ordinateurs démarrent correctement le Tails intermédiaire mais échouent à démarrer le Tails définitif. Si c'est votre cas, reportez vous à la partie résolution des problèmes concernant Tails ne démarre pas du tout.

    Résolution des problèmes

    Tails does not start at all

    The following section applies if the Boot Loader Menu does not appear when starting on a USB stick.

    It is quite common for computers not to start automatically on a USB stick with Tails installed. Here are some troubleshooting techniques. You should try them one after the other.

    Getting to the boot menu

    On most computers, you can press a boot menu key to display a list of possible devices to start from. The following instructions explain how to display the boot menu and start on the USB stick. The following screenshot is an example of such boot menu:

    1. Shut down the computer.

    2. Make sure that the first USB stick is plugged in the computer.

    3. Identify the potential boot menu keys for the computer depending on the computer manufacturer in the following list:

      ManufacturerKey
      AcerEsc, F12, F9
      AsusEsc, F8
      DellF12
      FujitsuF12, Esc
      HPEsc, F9
      LenovoF12, Novo, F8, F10
      SamsungEsc, F12, F2
      SonyF11, Esc, F10
      ToshibaF12
      others…F12, Esc
    4. Switch on the computer.

      Immediately press several times the first potential boot menu key identified in step 3.

      1. If a boot menu with a list of devices appears, select your USB stick and press Enter.

      2. If the computer starts on another operating system, then:

        1. Shut down the computer.

        2. Press-and-hold the potential boot menu key identified in step 3.

        3. Switch on the computer again while holding the potential boot menu key pressed.

          1. If a boot menu with a list of devices appears, select your USB stick and press Enter.

          2. If the computer starts on another operating system or returns an error message, then shut down the computer again and repeat step 4 for all the potential boot menu keys identified in step 3.

    If none of the potential boot menu keys identified in step 3 work or if the USB stick does not appear in the list, then try the second troubleshooting technique described below.

    Check our list of known issues

    Similar problems might have been reported already for your model of computer in our list of known issues.

    Edit the BIOS settings

    You might need to edit the BIOS settings of the computer.

    Search for the user manual of the computer on the website of its manufacturer to learn how to edit the BIOS settings:

    In the BIOS settings, try to apply the following changes one by one and restart the computer after each change. Some changes might not apply to certain computer models.

    Take note of the changes that you apply to the BIOS settings, to be able to revert them if they prevent the computer to start on its usual operating system.

    1. Edit the Boot Order. Depending on the computer model you might see an entry for removable devices or USB media. Move this entry to the top of the list to force the computer to try to start from the first USB stick before starting from the internal hard disk.

    2. Disable Fast boot.

    3. If the computer is configured to start with legacy BIOS, try to configure it to start with UEFI. Else, if the computer is configured to start with UEFI, try to configure it to start with legacy BIOS. To do so, try any of the following options if available:

    4. Try to upgrade the BIOS to the latest version provided by the manufacturer.

    Report the problem to our support team

    If none of these options work, we are sorry but you might not be able to use Tails on this computer.

    Please, send an email to our support team, including the following information:

    1. Which version of Tails are you trying to start?

    2. How did you verify the ISO image?

    3. Which is the brand and model of the computer?

    4. What exactly happens when trying to start? Report the complete error message that appears on the screen, if any.

    5. Are you trying to start Tails on a USB stick or a DVD?

    6. If you are trying to start on a USB stick, which program did you use to install it:

      • Universal USB Installer,
      • GNOME Disks,
      • Tails Installer, or
      • dd on the command line?

      Note that these are the only supported installation methods.

    7. Have you been able to start Tails successfully on this computer before, from another USB stick or DVD, or with another version of Tails? If so, which ones?

    8. Does the same USB stick or DVD start successfully on other computers?

    Si votre ordinateur échoue à démarrer sur le Tails définitif, la clé USB Tails, vous pouvez continuer d'utiliser le Tails intermédiaire. DVD Tails. Sur le Tails intermédiaire vous ne pouvez pas bénéficier des mises à jour automatiques ou créer un stockage persistant chiffré.

    Vous devriez regarder les recommandations finales. recommandations finales.

  4. Le menu du chargeur d’amorçage apparaît et Tails démarre automatiquement après 4 secondes.

    Black screen with Tails artwork. Boot Loader Menu with two options 'Tails' and 'Tails (Troubleshooting Mode)'.

  5. Après 30–60 secondes, le Tails Greeter apparaît.

  6. Dans le Tails Greeter, sélectionnez votre langue et votre disposition de clavier dans la section Langue et région. Cliquez sur Démarrer Tails.

  7. Après 15–30 secondes, le bureau de Tails apparaît.