{"id":49927,"date":"2019-07-23T06:22:32","date_gmt":"2019-07-23T13:22:32","guid":{"rendered":"https:drivesaversdatarecovery.com\/\/?p=49927"},"modified":"2026-10-12T06:23:30","modified_gmt":"2026-10-12T13:23:30","slug":"what-causes-a-head-crash-on-a-hard-disk","status":"publish","type":"post","link":"https:\/\/drivesaversdatarecovery.com\/fr-ca\/blog\/what-causes-a-head-crash-on-a-hard-disk\/","title":{"rendered":"Les causes d'un atterrissage de t\u00eate (head crash) sur un disque dur"},"content":{"rendered":"
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Une <\/span>t\u00eate de lecture de disque dur <\/b>peut ais\u00e9ment \u00eatre compar\u00e9e \u00e0 un cerveau, car elle<\/span> lit et interpr\u00e8te les donn\u00e9es exactement comme le cerveau humain. Cette partie du disque dur enregistre \u00e9galement de nouvelles donn\u00e9es, en conservant les renseignements pour un usage ult\u00e9rieur. Notre cerveau fonctionne de mani\u00e8re similaire : il absorbe, interpr\u00e8te, m\u00e9morise et rappelle le monde qui nous entoure. <\/span><\/p>\n

Autre ressemblance entre la <\/span>t\u00eate de lecture du disque dur <\/b>et la t\u00eate d'un \u00eatre humain : leurs propri\u00e9taires ne peuvent pas fonctionner sans elles.<\/span><\/p>\n

Une <\/span>t\u00eate de lecture de disque dur <\/b>d\u00e9fectueuse laisse les utilisateurs compl\u00e8tement bloqu\u00e9s. Le disque dur ne peut rien faire sans une t\u00eate pleinement fonctionnelle. Les humains ne valent gu\u00e8re mieux sans une t\u00eate qui fonctionne, d'ailleurs. Mais nous garderons l'examen de ces causes pour un autre jour!<\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

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Causes des atterrissages de t\u00eate (head crashes) sur les disques durs<\/span><\/h2>\n

Alors, <\/span>qu'est-ce qui provoque un atterrissage de t\u00eate (head crash) sur un disque dur<\/b>? Il n'existe presque jamais de r\u00e9ponse simple \u00e0 cette question, car plusieurs causes, ou combinaisons de causes, peuvent \u00eatre \u00e0 l'origine du probl\u00e8me. Voici quelques-unes des causes les plus courantes des <\/span>atterrissages de t\u00eate sur les disques durs<\/b>.<\/span><\/p>\n

Probl\u00e8mes de plateaux<\/span><\/h3>\n

La plupart des probl\u00e8mes de t\u00eate de lecture de disque dur n'en sont pas du tout. Les plateaux du disque dur, o\u00f9 sont stock\u00e9es les donn\u00e9es du disque, sont en r\u00e9alit\u00e9 \u00e0 l'origine de nombreux <\/span>atterrissages de t\u00eate<\/b>. Lorsque les <\/span>t\u00eates de lecture du disque dur <\/b>ne parviennent pas \u00e0 lire les plateaux, elles ont tendance \u00e0 lire et \u00e9crire \u00e0 r\u00e9p\u00e9tition jusqu'\u00e0 ce que la <\/span>t\u00eate du disque dur atterrisse sur le plateau<\/b>. <\/span><\/p>\n

Les plateaux peuvent \u00eatre endommag\u00e9s pour de multiples raisons. Lorsque cela arrive, la <\/span>t\u00eate de lecture du disque dur <\/b>en subit les cons\u00e9quences et finit par atterrir sur le plateau. Dans certains cas, ils s'usent tout simplement avec le temps et apr\u00e8s de longues p\u00e9riodes d'utilisation. L'usure est un probl\u00e8me courant pour les plateaux et constitue, de ce fait, une cons\u00e9quence fr\u00e9quente des <\/span>atterrissages de t\u00eate sur les disques durs<\/b>.<\/span><\/p>\n

Il arrive que le bras d'actionneur de la <\/span>t\u00eate de lecture du disque dur <\/b>(l'\u00e9l\u00e9ment qui lit et \u00e9crit r\u00e9ellement) endommage les plateaux. Si ce composant dysfonctionne, le rev\u00eatement magn\u00e9tique du plateau peut \u00eatre d\u00e9truit. Sans ce rev\u00eatement, des particules de poussi\u00e8re microscopiques commencent \u00e0 se d\u00e9velopper et provoquent la d\u00e9faillance de la <\/span>t\u00eate du disque dur<\/b>. <\/span><\/p>\n

Disque encrass\u00e9<\/span><\/h3>\n

\u00c0 propos, la poussi\u00e8re est l'un des pires ennemis du disque dur. Ces minuscules particules de salet\u00e9 peuvent sembler inoffensives, mais pour une <\/span>t\u00eate de lecture de disque dur<\/b> en rotation, elles pourraient tout aussi bien \u00eatre des rochers lanc\u00e9s par un g\u00e9ant. <\/span><\/p>\n

Lorsque des particules de poussi\u00e8re p\u00e9n\u00e8trent dans les composants complexes du disque, elles entrent en contact avec la <\/span>t\u00eate de lecture du disque dur <\/b>pendant la rotation. L'impact de ces particules provoque un <\/span>atterrissage de t\u00eate<\/b> presque imm\u00e9diat. La poussi\u00e8re est destructrice! <\/span><\/p>\n

Manque de pr\u00e9caution<\/span><\/h3>\n

Si un disque dur n'est pas manipul\u00e9 correctement, de nombreux probl\u00e8mes peuvent survenir. Plus pr\u00e9cis\u00e9ment, les bras et les t\u00eates de lecture se d\u00e9salignent facilement si le disque dur est ballott\u00e9 ou, dans le pire des cas, qu'il tombe. Lorsque les composants sont d\u00e9salign\u00e9s, un atterrissage de t\u00eate (head crash) n'est plus une simple possibilit\u00e9, c'est une certitude.<\/span><\/p>\n

Les dommages caus\u00e9s par tout type de choc physique sont amplifi\u00e9s si les t\u00eates sont en mouvement au moment de l'impact. Dans ce cas, un <\/span>atterrissage de t\u00eate sur le disque dur <\/b>se produira presque certainement. <\/span><\/p>\n

Shoddy craftsmanship<\/span><\/h3>\n

Malgr\u00e9 la fiabilit\u00e9 des disques durs modernes, il arrive encore que des d\u00e9fauts affectent les <\/span>t\u00eates de lecture des disques durs<\/b>. Aucun proc\u00e9d\u00e9 de fabrication n'est parfait, et des composants d\u00e9faillants nuisent bel et bien aux performances. <\/span><\/p>\n

Malheureusement, m\u00eame les disques neufs pr\u00e9sentent probablement quelques d\u00e9fauts, bien que les meilleurs du march\u00e9 soient g\u00e9n\u00e9ralement ceux qui posent le moins de probl\u00e8mes d\u00e8s le d\u00e9part.\u00a0<\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

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Des solutions pour sauvegarder vos donn\u00e9es<\/span><\/h2>\n

Heureusement, il existe des mesures proactives que vous pouvez prendre pour pr\u00e9venir les <\/span>atterrissages de t\u00eate<\/b>.<\/span><\/p>\n

Renseignez-vous sur le produit<\/span><\/h3>\n

Nous parlions justement de fabrication d\u00e9fectueuse \u00e0 l'origine d'<\/span>atterrissages de t\u00eate sur les disques durs<\/b>. \u00c9vitez ce type d'<\/span>atterrissages de t\u00eate <\/b>en vous renseignant <\/span>avant <\/span><\/i>d'acheter un disque dur.<\/span><\/p>\n

Renseignez-vous sur les fabricants \u00e0 \u00e9viter et sur ceux qui con\u00e7oivent des disques durs fiables. Lisez les avis sur chaque mod\u00e8le et n'oubliez pas de tenir compte de la capacit\u00e9. Si vous prenez le temps de bien vous documenter, vous trouverez un excellent disque dur au prix souhait\u00e9 et avec la capacit\u00e9 de stockage de donn\u00e9es dont vous avez besoin.\u00a0<\/span><\/p>\n

Pr\u00e9venir pour prot\u00e9ger<\/span><\/h3>\n

Comme pour beaucoup de choses dans la vie, la pr\u00e9vention est essentielle.\u00a0<\/span><\/p>\n

Un disque dur est une technologie sophistiqu\u00e9e qui doit \u00eatre manipul\u00e9e avec le plus grand soin. Si vous ne traitez pas votre disque dur avec respect, vous risquez de perdre vos donn\u00e9es.\u00a0<\/span><\/p>\n

Prenez bien soin de votre disque dur. Ne laissez pas votre unit\u00e9 centrale s'encrasser et emp\u00eachez la poussi\u00e8re de p\u00e9n\u00e9trer \u00e0 l'int\u00e9rieur de l'appareil. Si de la poussi\u00e8re s'y infiltre, la mani\u00e8re dont la chaleur est dissip\u00e9e en sera affect\u00e9e n\u00e9gativement. Cela augmente le risque de surchauffe de l'appareil. Un disque frais fonctionne efficacement et ne force pas.<\/span><\/p>\n

Surtout, soyez d\u00e9licat avec votre ordinateur portable. Ne le brusquez pas et ne le portez pas dans vos bras sans \u00eatre certain de ne pas le laisser tomber. Cela peut s'av\u00e9rer difficile compte tenu de la portabilit\u00e9 de ces appareils, mais faites de votre mieux! De nombreux <\/span>atterrissages de t\u00eate sur les disques durs <\/b>peuvent \u00eatre facilement \u00e9vit\u00e9s en prenant simplement mieux soin du disque dur d\u00e8s le d\u00e9part. <\/span><\/p>\n

Sauvegardez avant la catastrophe<\/span><\/h3>\n

Les t\u00eates de lecture des disques durs finissent par atterrir sur le plateau<\/b>. C'est ainsi. Mais avant qu'un <\/span>atterrissage de t\u00eate <\/b>ne se produise, il existe des moyens de prot\u00e9ger vos donn\u00e9es. Utilisez un disque dur externe ou une solution de stockage de donn\u00e9es infonuagique pour sauvegarder vos renseignements. <\/span><\/p>\n

Effectuez des sauvegardes \u00e0 intervalles r\u00e9guliers afin de toujours disposer d'une copie r\u00e9cente de vos donn\u00e9es sur votre disque de sauvegarde. \u00c9tablissez donc un calendrier de sauvegarde et respectez-le!\u00a0\u00a0<\/span><\/p>\n

Ne bougez plus!\u00a0<\/span><\/h3>\n

Si vous pensez que la <\/span>t\u00eate de lecture de votre disque dur <\/b>a atterri sur le plateau, arr\u00eatez tout ce que vous faites et \u00e9loignez-vous de l'ordinateur. C'est difficile, car notre r\u00e9action naturelle, dans ces moments-l\u00e0, est de paniquer \u00e0 l'id\u00e9e de perdre nos donn\u00e9es et de tenter d'une mani\u00e8re ou d'une autre de \u00ab r\u00e9parer \u00bb le probl\u00e8me. <\/span><\/p>\n

Toute action suppl\u00e9mentaire risque d'endommager irr\u00e9m\u00e9diablement votre disque dur. Et des dommages suppl\u00e9mentaires peuvent vous emp\u00eacher de jamais pouvoir r\u00e9cup\u00e9rer vos renseignements. R\u00e9sistez donc \u00e0 la tentation et \u00e9loignez-vous de la machine!\u00a0<\/span><\/p>\n

Faites appel \u00e0 un professionnel<\/span><\/h3>\n

Chaque fois que vous rencontrez un probl\u00e8me avec votre disque dur, qu'il soit d\u00fb ou non \u00e0 un <\/span>atterrissage de t\u00eate<\/b>, demandez conseil et assistance \u00e0 un sp\u00e9cialiste qualifi\u00e9 de la r\u00e9cup\u00e9ration de donn\u00e9es. <\/span><\/p>\n

Les sp\u00e9cialistes de la r\u00e9cup\u00e9ration de donn\u00e9es disposent des outils et des techniques n\u00e9cessaires pour \u00e9valuer le probl\u00e8me, concevoir une solution et r\u00e9cup\u00e9rer rapidement vos donn\u00e9es!<\/span><\/a>\u00a0<\/span><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"A hard drive head can easily be compared to a brain, because it reads and interprets data just like human brains. This part of the hard drive also takes in new data, saving the information for later use. Our brains work in a similar fashion absorbing, interpreting, storing and recalling the world around us.\u00a0 Another…","protected":false},"author":25,"featured_media":49928,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"inline_featured_image":false,"footnotes":""},"categories":[264],"tags":[481],"post_series":[],"class_list":["post-49927","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-hdd","entry","has-media"],"acf":[],"yoast_head":"\nWhat Causes a Head Crash on a Hard Disk<\/title>\n<meta name=\"description\" content=\"Worried about a hard drive head crash? Here is why you should contact our experts for professional cleanroom data recovery. Free evaluation.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/drivesaversdatarecovery.com\/fr-ca\/blog\/what-causes-a-head-crash-on-a-hard-disk\/\" \/>\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Causes a Head Crash on a Hard Disk\" \/>\n<meta property=\"og:description\" content=\"Worried about a hard drive head crash? Here is why you should contact our experts for professional cleanroom data recovery. Free evaluation.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/drivesaversdatarecovery.com\/fr-ca\/blog\/what-causes-a-head-crash-on-a-hard-disk\/\" \/>\n<meta property=\"og:site_name\" content=\"DriveSavers Data Recovery Services\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DriveSavers\" \/>\n<meta property=\"article:published_time\" content=\"2019-07-23T13:22:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-12T13:23:30+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/drivesaversdatarecovery.com\/wp-content\/uploads\/2019\/07\/head-crash-on-a-hard-disk-scaled-e1698398385131.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1046\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Mike Cobb\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:description\" content=\"Worried about a hard drive head crash? Here is why you should contact our experts for professional cleanroom data recovery. Free evaluation.\" \/>\n<meta name=\"twitter:creator\" content=\"@drivesavers\" \/>\n<meta name=\"twitter:site\" content=\"@drivesavers\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mike Cobb\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimation du temps de lecture\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"TechArticle\",\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-causes-a-head-crash-on-a-hard-disk\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-causes-a-head-crash-on-a-hard-disk\\\/\"},\"author\":{\"name\":\"Mike Cobb\",\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/#\\\/schema\\\/person\\\/71a038c3b180b1f2df821d2b015b8ee6\"},\"headline\":\"What Causes a Head Crash on a Hard Disk\",\"datePublished\":\"2019-07-23T13:22:32+00:00\",\"dateModified\":\"2026-10-12T13:23:30+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-causes-a-head-crash-on-a-hard-disk\\\/\"},\"wordCount\":1070,\"publisher\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-causes-a-head-crash-on-a-hard-disk\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/wp-content\\\/uploads\\\/2019\\\/07\\\/head-crash-on-a-hard-disk-scaled-e1698398385131.jpg\",\"keywords\":[\"HDD\"],\"articleSection\":[\"Blog\"],\"inLanguage\":\"fr-CA\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-causes-a-head-crash-on-a-hard-disk\\\/\",\"url\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-causes-a-head-crash-on-a-hard-disk\\\/\",\"name\":\"What Causes a Head Crash on a Hard Disk\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-causes-a-head-crash-on-a-hard-disk\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/blog\\\/what-causes-a-head-crash-on-a-hard-disk\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/drivesaversdatarecovery.com\\\/wp-content\\\/uploads\\\/2019\\\/07\\\/head-crash-on-a-hard-disk-scaled-e1698398385131.jpg\",\"datePublished\":\"2019-07-23T13:22:32+00:00\",\"dateModified\":\"2026-10-12T13:23:30+00:00\",\"description\":\"Worried about a hard drive head crash? 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