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id='toc-hidden-content'> <div id="modal-toc-container" class="modal-content"> <h2 id='modal-heading' class="modal-heading">Guide d’utilisation d’Utilitaire de disque</h2> <ul class='toc hasIcons'> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Bienvenue' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/welcome/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/welcome/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/welcome/mac' id='toc-item-DSKU3D60EEFC' data-tocid='DSKU3D60EEFC' > <span class='name'>Bienvenue</span> </a> </li> <li> <button class='section' data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Vue d’ensemble' data-ss-analytics-event="acs.link_click" aria-expanded='false' aria-controls='node-children-DSKUFAA2ACB1' onClick='' > <span class='name'>Vue d’ensemble</span> </button> <ul id='node-children-DSKUFAA2ACB1' class='non-leaf-node-children'> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Présentation d’Utilitaire de disque' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskutl1029/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskutl1029/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskutl1029/mac' id='toc-item-DSKUTL1029' data-tocid='DSKUTL1029' > <span class='name'>Présentation d’Utilitaire de disque</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Afficher tous les appareils ou uniquement les volumes' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskud6b39edb/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskud6b39edb/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskud6b39edb/mac' id='toc-item-DSKUD6B39EDB' data-tocid='DSKUD6B39EDB' > <span class='name'>Afficher tous les appareils ou uniquement les volumes</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Formats de système de fichiers' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dsku19ed921c/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dsku19ed921c/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dsku19ed921c/mac' id='toc-item-DSKU19ED921C' data-tocid='DSKU19ED921C' > <span class='name'>Formats de système de fichiers</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Schémas de partition' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dsku1c614201/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dsku1c614201/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dsku1c614201/mac' id='toc-item-DSKU1C614201' data-tocid='DSKU1C614201' > <span class='name'>Schémas de partition</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Obtenir des informations détaillées sur un disque' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskutl1005/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskutl1005/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskutl1005/mac' id='toc-item-DSKUTL1005' data-tocid='DSKUTL1005' > <span class='name'>Obtenir des informations détaillées sur un disque</span> </a> </li> </ul> </li> <li> <button class='section' data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Gérer des disques et des volumes physiques' data-ss-analytics-event="acs.link_click" aria-expanded='false' aria-controls='node-children-DSKU7A940903' onClick='' > <span class='name'>Gérer des disques et des volumes physiques</span> </button> <ul id='node-children-DSKU7A940903' class='non-leaf-node-children'> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Ajouter, supprimer ou effacer des volumes APFS' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskua9e6a110/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskua9e6a110/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskua9e6a110/mac' id='toc-item-DSKUA9E6A110' data-tocid='DSKUA9E6A110' > <span class='name'>Ajouter, supprimer ou effacer des volumes APFS</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Effacer et reformater un périphérique de stockage' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskutl14079/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskutl14079/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskutl14079/mac' id='toc-item-DSKUTL14079' data-tocid='DSKUTL14079' > <span class='name'>Effacer et reformater un périphérique de stockage</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Initialiser un périphérique de stockage' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dsku365552c7/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dsku365552c7/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dsku365552c7/mac' id='toc-item-DSKU365552C7' data-tocid='DSKU365552C7' > <span class='name'>Initialiser un périphérique de stockage</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Chiffrer et protéger un périphérique de stockage à l’aide d’un mot de passe' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskutl35612/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskutl35612/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskutl35612/mac' id='toc-item-DSKUTL35612' data-tocid='DSKUTL35612' > <span class='name'>Chiffrer et protéger un périphérique de stockage à l’aide d’un mot de passe</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Partitionner un disque physique' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskutl14027/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskutl14027/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskutl14027/mac' id='toc-item-DSKUTL14027' data-tocid='DSKUTL14027' > <span class='name'>Partitionner un disque physique</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Afficher les instantanés APFS' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskuf82354dc/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskuf82354dc/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskuf82354dc/mac' id='toc-item-DSKUF82354DC' data-tocid='DSKUF82354DC' > <span class='name'>Afficher les instantanés APFS</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Formater un disque pour des ordinateurs Windows' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskutl1010/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskutl1010/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskutl1010/mac' id='toc-item-DSKUTL1010' data-tocid='DSKUTL1010' > <span class='name'>Formater un disque pour des ordinateurs Windows</span> </a> </li> <li class="selected"> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Réparer un périphérique de stockage' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskutl1040/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskutl1040/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskutl1040/mac' id='toc-item-DSKUTL1040' data-tocid='DSKUTL1040' aria-current='page' > <span class='name'>Réparer un périphérique de stockage</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Restaurer un disque' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskutl14062/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskutl14062/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskutl14062/mac' id='toc-item-DSKUTL14062' data-tocid='DSKUTL14062' > <span class='name'>Restaurer un disque</span> </a> </li> </ul> </li> <li> <button class='section' data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Stocker des données sur des images disque' data-ss-analytics-event="acs.link_click" aria-expanded='false' aria-controls='node-children-DSKUF0D74CBF' onClick='' > <span class='name'>Stocker des données sur des images disque</span> </button> <ul id='node-children-DSKUF0D74CBF' class='non-leaf-node-children'> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Créer une image disque' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskutl11888/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskutl11888/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskutl11888/mac' id='toc-item-DSKUTL11888' data-tocid='DSKUTL11888' > <span class='name'>Créer une image disque</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Convertir une image disque dans un autre format' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskutl1002/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskutl1002/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskutl1002/mac' id='toc-item-DSKUTL1002' data-tocid='DSKUTL1002' > <span class='name'>Convertir une image disque dans un autre format</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Redimensionner une image disque' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskuc033a48f/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskuc033a48f/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskuc033a48f/mac' id='toc-item-DSKUC033A48F' data-tocid='DSKUC033A48F' > <span class='name'>Redimensionner une image disque</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Restaurer une image disque sur un disque' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskutl14078/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskutl14078/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskutl14078/mac' id='toc-item-DSKUTL14078' data-tocid='DSKUTL14078' > <span class='name'>Restaurer une image disque sur un disque</span> </a> </li> </ul> </li> <li> <button class='section' data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Configurer et gérer des matrices RAID' data-ss-analytics-event="acs.link_click" aria-expanded='false' aria-controls='node-children-DSKU09759E20' onClick='' > <span class='name'>Configurer et gérer des matrices RAID</span> </button> <ul id='node-children-DSKU09759E20' class='non-leaf-node-children'> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Vue d’ensemble de la création de matrices de disques' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskufd8dce72/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskufd8dce72/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskufd8dce72/mac' id='toc-item-DSKUFD8DCE72' data-tocid='DSKUFD8DCE72' > <span class='name'>Vue d’ensemble de la création de matrices de disques</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Créer une matrice de disques' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskua23150fd/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskua23150fd/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskua23150fd/mac' id='toc-item-DSKUA23150FD' data-tocid='DSKUA23150FD' > <span class='name'>Créer une matrice de disques</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Supprimer une matrice de disques' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskubf6c8ee4/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskubf6c8ee4/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskubf6c8ee4/mac' id='toc-item-DSKUBF6C8EE4' data-tocid='DSKUBF6C8EE4' > <span class='name'>Supprimer une matrice de disques</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Démonter une matrice de disques ou un disque membre' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskud709f49b/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskud709f49b/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskud709f49b/mac' id='toc-item-DSKUD709F49B' data-tocid='DSKUD709F49B' > <span class='name'>Démonter une matrice de disques ou un disque membre</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Réparer un disque dans une matrice de disques en miroir' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dsku56ab32eb/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dsku56ab32eb/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dsku56ab32eb/mac' id='toc-item-DSKU56AB32EB' data-tocid='DSKU56AB32EB' > <span class='name'>Réparer un disque dans une matrice de disques en miroir</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Ajouter un disque à une matrice de disques' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dsku669685e4/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dsku669685e4/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dsku669685e4/mac' id='toc-item-DSKU669685E4' data-tocid='DSKU669685E4' > <span class='name'>Ajouter un disque à une matrice de disques</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Si un disque d’une matrice de disques sur Mac est endommagé ou manquant' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dsku8fd741ac/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dsku8fd741ac/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dsku8fd741ac/mac' id='toc-item-DSKU8FD741AC' data-tocid='DSKU8FD741AC' > <span class='name'>Si un disque d’une matrice de disques sur Mac est endommagé ou manquant</span> </a> </li> </ul> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Dépannage' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dskue2db41be/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dskue2db41be/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dskue2db41be/mac' id='toc-item-DSKUE2DB41BE' data-tocid='DSKUE2DB41BE' > <span class='name'>Dépannage</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Raccourcis clavier' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/dsku1b491744/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/dsku1b491744/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/dsku1b491744/mac' id='toc-item-DSKU1B491744' data-tocid='DSKU1B491744' > <span class='name'>Raccourcis clavier</span> </a> </li> <li> <a data-ss-analytics-link-component_name='Guide d’utilisation d’Utilitaire de disque' data-ss-analytics-link-component_type='toc list' data-ss-analytics-link-text='Copyright' class='toc-item' data-ss-analytics-link-url='https://support.apple.com/fr-mu/guide/disk-utility/apd2185d6ee5/mac' data-ajax-endpoint='https://support.apple.com/fr-mu/guide/disk-utility/apd2185d6ee5/mac' data-ss-analytics-event="acs.link_click" href='https://support.apple.com/fr-mu/guide/disk-utility/apd2185d6ee5/mac' id='toc-item-APD2185D6EE5' data-tocid='APD2185D6EE5' > <span class='name'>Copyright</span> </a> </li> </ul> </div> </div> <div id='article-section-wrapper'> <div id='article-section' role='presentation'> <div class='AppleTopic apd-topic dark-mode-enabled book book-content'> <div><body dir="ltr" id="dskutl1040" class="AppleTopic apd-topic dark-mode-enabled" data-istaskopen="true" data-designversion="2" lang="fr"><a name="dskutl1040"></a><figure class="topicIcon"><img src="https://help.apple.com/assets/6716BA86BD893FF89905E593/6716BA89BD893FF89905E599/fr_FR/f77bef81794f5b467f75cbe202ec7a2c.png" alt="" height="30" width="30" originalImageName="SharedGlobalArt/AppIconTopic_DiskUtility.png"></figure><h1>Réparer un périphérique de stockage dans Utilitaire de disque sur Mac</h1><p>Utilitaire de disque peut détecter et corriger les erreurs liées au formatage et à la structure de répertoire d’un périphérique de stockage Mac.</p><p>Utilitaire de disque peut réparer certains problèmes, par exemple, des apps qui se ferment inopinément, un fichier corrompu, un périphérique externe qui ne fonctionne plus correctement ou votre ordinateur qui ne démarre plus. Utilitaire de disque ne peut pas détecter ou réparer tous les problèmes d’un disque.</p><p>Pour analyser un disque et le réparer, vous devez exécuter S.O.S. sur chaque volume et conteneur du périphérique de stockage, puis l’exécuter directement sur le périphérique de stockage.</p><p>Si Utilitaire de disque vous informe que votre disque va subir une défaillance, <a href="https://support.apple.com/fr-mu/guide/mac-help/mh9052" class="URL">sauvegardez vos données</a> et remplacez le disque ; vous ne pourrez pas le réparer.</p><figure><picture><source media="(not all)" srcset="https://help.apple.com/assets/6716BA86BD893FF89905E593/6716BA89BD893FF89905E599/fr_FR/f7dd65b7fe1d031854147d98e55c476b.png" originalImageName="Art/S0010_AllDevicesView~dark.png"></source><img src="https://help.apple.com/assets/6716BA86BD893FF89905E593/6716BA89BD893FF89905E599/fr_FR/2edb5a4b52522df21548a05cd50c75cc.png" alt="Une fenêtre Utilitaire de disque affichant trois volumes un conteneur et un périphérique de stockage en présentation « Afficher tous les appareils »." height="363" width="466" originalImageName="Art/S0010_AllDevicesView.png"></picture></figure><p><a href="x-help-action://openApp?bundleId=com.apple.DiskUtility" class="URL">Ouvrir Utilitaire de disque</a></p><div id="dsku7e77efac" class="Task no-header"><div class="TaskBody" role="region" aria-hidden="false" id="aria-dsku7e77efac"><ol><li><p>Accédez à l’app Utilitaire de disque <img src="https://help.apple.com/assets/6716BA86BD893FF89905E593/6716BA89BD893FF89905E599/fr_FR/f77bef81794f5b467f75cbe202ec7a2c.png" alt="" height="30" width="30" originalImageName="SharedGlobalArt/AppIconTopic_DiskUtility.png"> sur votre Mac.</p><p>Si Utilitaire de disque n’est pas ouvert, cliquez sur <img src="https://help.apple.com/assets/6716BA86BD893FF89905E593/6716BA89BD893FF89905E599/fr_FR/a1f94c9ca0de21571b88a8bf9aef36b8.png" alt="l’icône du Launchpad" height="30" width="30" originalImageName="SharedGlobalArt/AppIconTopic_Launchpad.png"> dans le <a href="https://support.apple.com/fr-mu/guide/disk-utility/aside/glosc3855c74/22.6/mac/15.0" class="xRef Aside">Dock</a>, saisissez « Utilitaire de disque » dans le champ de recherche, puis cliquez sur <span class="NoBreak"><img src="https://help.apple.com/assets/6716BA86BD893FF89905E593/6716BA89BD893FF89905E599/fr_FR/f77bef81794f5b467f75cbe202ec7a2c.png" alt="l’icône d’Utilitaire de disque" height="30" width="30" originalImageName="SharedGlobalArt/AppIconTopic_DiskUtility.png">.</span></p></li><li><p>Choisissez Présentation > Afficher tous les appareils.</p><div class="Alert"><p class="Note"><em>Remarque : </em>si vous vérifiez votre disque ou volume de démarrage, redémarrez votre ordinateur dans Récupération macOS. Consultez l’article <a href="https://support.apple.com/102518" class="URL">Si vous ne parvenez pas à démarrer à partir de la fonctionnalité de récupération de macOS</a> de l’assistance Apple. Sélectionnez ensuite « Utilitaire de disque » dans la fenêtre « Récupération macOS », puis cliquez sur Continuer. Si vous vérifiez votre volume de démarrage (Macintosh HD), assurez-vous de vérifier également votre volume de données (Macintosh HD - Données).</p></div></li><li><p>Dans la barre latérale, sélectionnez un volume, puis cliquez sur <span class="NoBreak"><img src="https://help.apple.com/assets/6716BA86BD893FF89905E593/6716BA89BD893FF89905E599/fr_FR/7699679941c6d09440483d05cbfa772e.png" alt="le bouton S.O.S." height="30" width="37" originalImageName="SharedGlobalArt/IL_Stethoscope.png">.</span></p></li><li><p>Dans la zone de dialogue S.O.S., cliquez sur Exécuter, puis suivez les instructions à l’écran.</p></li><li><p>Une fois le processus S.O.S. terminé, cliquez sur OK.</p></li><li><p>Répétez les étapes 3 à 5 pour chaque volume présent sur le périphérique de stockage.</p></li><li><p>Dans la barre latérale, sélectionnez un conteneur, puis cliquez sur <span class="NoBreak"><img src="https://help.apple.com/assets/6716BA86BD893FF89905E593/6716BA89BD893FF89905E599/fr_FR/7699679941c6d09440483d05cbfa772e.png" alt="le bouton S.O.S." height="30" width="37" originalImageName="SharedGlobalArt/IL_Stethoscope.png">.</span></p></li><li><p>Dans la zone de dialogue S.O.S., cliquez sur Exécuter, puis suivez les instructions à l’écran.</p></li><li><p>Une fois le processus S.O.S. terminé, cliquez sur OK.</p></li><li><p>Répétez les étapes 7 à 9 pour chaque conteneur présent sur le périphérique de stockage.</p></li><li><p>Dans la barre latérale, sélectionnez le périphérique de stockage, puis cliquez sur <span class="NoBreak"><img src="https://help.apple.com/assets/6716BA86BD893FF89905E593/6716BA89BD893FF89905E599/fr_FR/7699679941c6d09440483d05cbfa772e.png" alt="le bouton S.O.S." height="30" width="37" originalImageName="SharedGlobalArt/IL_Stethoscope.png">.</span></p></li><li><p>Dans la zone de dialogue S.O.S., cliquez sur Exécuter, puis suivez les instructions à l’écran.</p></li><li><p>Une fois le processus S.O.S. terminé, cliquez sur OK.</p></li></ol></div></div><p>Si Utilitaire de disque vous signale que le disque semble correct ou qu’il a été réparé, l’opération est terminée. Vous pouvez cliquer sur Afficher les détails pour afficher plus d’informations sur les réparations. Sinon, vous devrez peut-être procéder comme suit.</p><ul><li><p>Si Utilitaire de disque signale des erreurs de superposition d’allocation étendue, cela signifie que deux fichiers ou plus occupent le même espace sur votre disque et qu’au moins un des fichiers est probablement endommagé. Vous devez vérifier chaque fichier dans la liste des fichiers concernés. La plupart des fichiers de la liste disposent d’alias dans le dossier DamagedFiles qui se trouve au niveau le plus élevé de votre disque.</p><ul><li><p>Si vous pouvez remplacer un fichier ou le recréer, supprimez-le.</p></li><li><p>S’il contient des informations dont vous avez besoin, ouvrez-le et examinez les données qu’il renferme afin de vous assurer qu’elles ne sont pas corrompues.</p></li></ul></li><li><p>Si Utilitaire de disque ne peut pas réparer votre disque ou vous signale que le processus S.O.S. a échoué, réessayez de réparer le disque ou la partition. Si cela ne fonctionne pas, sauvegardez autant de données que possible, reformatez le disque, réinstallez macOS, puis restaurez vos données sauvegardées.</p></li></ul><p>Si le problème persiste ou que le disque ne peut pas être réparé, le disque est peut-être endommagé physiquement ; vous devrez donc le remplacer. Pour en savoir plus sur la réparation de votre Mac, consultez la rubrique <a href="https://support.apple.com/fr-mu/guide/mac-help/syspr35948" class="URL">Apprendre à maintenir ou réparer votre Mac</a>.</p><div class="LinkUniversal"><strong>Voir aussi</strong><a href="https://support.apple.com/fr-mu/guide/disk-utility/dskutl14079/22.6/mac/15.0" class="xRef AppleTopic">Effacer et reformater un périphérique de stockage dans Utilitaire de disque sur Mac</a><a href="https://support.apple.com/fr-mu/guide/disk-utility/dskua9e6a110/22.6/mac/15.0" class="xRef AppleTopic">Ajouter, supprimer ou effacer des volumes AFPS dans Utilitaire de disque sur Mac</a><a href="https://support.apple.com/fr-mu/guide/disk-utility/dskutl14027/22.6/mac/15.0" class="xRef AppleTopic">Partitionner un disque physique dans Utilitaire de disque sur Mac</a><a href="https://support.apple.com/102611" class="URL">Article d’assistance Apple : Comment réparer un disque Mac avec Utilitaire de disque</a></div></body></div> </div> </div> </div> <div id='aside-hidden-content'> <div class="main"> </div> </div> <div id='helpful-rating-wrapper'> <div id='helpful' class='ratings okapi-enabled'> <div id='question-state' class='show'> <fieldset> <legend> <span id="okapi-a">Avez-vous trouvé cet article utile ?</span> </legend> <div class='helpful-btn-grp'> <button class='button button-secondary' id='yes-button' data-ss-analytics-link-component_name='helpful' data-ss-analytics-link-component_type='helpful' data-ss-analytics-link-text='yes' data-ss-analytics-event=acs.link_click title='A résolu mon problème'> Oui </button> <button class='button button-secondary' id='no-button' data-ss-analytics-link-component_name='helpful' data-ss-analytics-link-component_type='helpful' data-ss-analytics-link-text='no' data-ss-analytics-event=acs.link_click title='Inutile'> Non </button> </div> </fieldset> </div> <div id='feedback-state' class="form-element form-textbox-labelbelow hide"> <form autocomplete="off"> <input type='hidden' id='form-counter-error-message' value="La limite maximale des caractères est 250." /> <label id='feedback-label' data-no-label="Merci de nous en avoir informés." data-yes-label="Nous sommes ravis que cet article vous ait été utile." ></label> <div class='form-element form-textbox-labelbelow' id='feedback'> <div class="textarea-wrapper"> <span class='form-label' id='optional_label' aria-hidden='true'></span> <div> <textarea class='form-textbox form-textbox-textarea form-counter-textarea form-textbox-entered' data-no-placeholder="Comment pouvons-nous rendre cet article plus utile ? 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