{"id":3178,"date":"2014-04-22T20:00:54","date_gmt":"2014-04-22T20:00:54","guid":{"rendered":"http:\/\/help.cleverfiles.com\/?p=3178"},"modified":"2021-06-03T12:34:00","modified_gmt":"2021-06-03T12:34:00","slug":"external-usb-drives-randomly-disconnecting","status":"publish","type":"post","link":"https:\/\/www.cleverfiles.com\/help\/external-usb-drives-randomly-disconnecting\/","title":{"rendered":"FAQ: External USB drives randomly disconnecting&#8230;"},"content":{"rendered":"<p><img src=\"\/help\/wp-content\/uploads\/2014\/04\/hard-disk.png\" alt=\"\" width=\"128\" height=\"128\" class=\"alignright size-full wp-image-12855 colorbox-3178\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"the_problem\"><\/span>The Problem<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Occasionally we are hearing from our users that their external drives, connected via USB to their Macs, may randomly disconnect while Disk Drill is scanning them for lost data. We have to confirm that in most cases this is not related to\u00a0Disk Drill at all<\/p>\n<h2><span class=\"ez-toc-section\" id=\"solution_1\"><\/span>Solution #1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In most cases this problem can be fixed by <a href=\"http:\/\/support.apple.com\/kb\/ph14222\" target=\"_blank\" rel=\"nofollow noopener\" class=\"external\">resetting PRAM<\/a>, as recommended by Apple. The issue may be caused by incorrect configuration of your USB controller, hardware issues or macOS USB drivers trying to prevent further disk damage.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"solution_2\"><\/span>Solution #2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In some cases it might help to <a href=\"https:\/\/www.cleverfiles.com\/help\/bad-sectors-blocks.html\">reset bad sectors<\/a> found on this storage device by Disk Drill. Though, our regular recommendation in this and similar cases is <a href=\"https:\/\/www.cleverfiles.com\/help\/dmg-iso-backup.html\">creating a byte-to-byte DMG backup<\/a> of the disk in question first, and running the recovery from the disk image instead of the original storage device.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"solution_3\"><\/span>Solution #3<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Our additional tests also confirmed that replacing USB cables or even switching to another USB port may well help in similar situations.<\/p>\n<div class=\"post-relative post-download\">\r\n<i class=\"box-60x36 icons icon-winmac-xs  \"><\/i>\r\nDownload Disk Drill data recovery app\r\n<a class=\"btn btn-primary btn-xs-block pull-right\" href=\"\/\/www.cleverfiles.com\/dl.html\">Download now<\/a>\r\n<div class=\"clearfix\"><\/div>\r\n<\/div><p>\n<p>Disk Drill is a great <a href=\"https:\/\/www.cleverfiles.com\/mac-data-recovery.html\">data recovery software<\/a>, but it&#8217;s just a software, and requires reliable hardware in the first place.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Problem Occasionally we are hearing from our users that their external drives, connected via USB to their Macs, may randomly disconnect while Disk Drill is scanning them for lost data. We have to confirm that in most cases this [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5,52],"tags":[],"class_list":{"0":"post-3178","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-recovery","7":"category-troubleshooting"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>FAQ: External USB drives randomly disconnecting...<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cleverfiles.com\/help\/external-usb-drives-randomly-disconnecting\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FAQ: External USB drives randomly disconnecting...\" \/>\n<meta property=\"og:description\" content=\"The Problem Occasionally we are hearing from our users that their external drives, connected via USB to their Macs, may randomly disconnect while Disk Drill is scanning them for lost data. 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