{"id":35211,"date":"2019-02-21T05:14:54","date_gmt":"2019-02-21T05:14:54","guid":{"rendered":"https:\/\/www.stellarinfo.com\/blog\/?p=35211"},"modified":"2025-06-30T04:43:49","modified_gmt":"2025-06-30T04:43:49","slug":"recover-external-hard-drive-not-showing-up-on-mac","status":"publish","type":"post","link":"https:\/\/www.stellarinfo.com\/blog\/recover-external-hard-drive-not-showing-up-on-mac\/","title":{"rendered":"External Hard Drive Not Showing Up on Mac \u2013 How to Recover?"},"content":{"rendered":"<?xml encoding=\"utf-8\" ?><?xml encoding=\"utf-8\" ?><p>&ldquo;<em>Hi friends, when I connected my 2 TB Seagate external hard drive after a long time on my MacBook Air (running on macOS Ventura, Monterey, Big Sur,<\/em> or Catalina), the drive did not show up in the <em>Desktop or Finder sidebar. This drive has all my important digital memories. Could anyone please help me out to recover my data from the drive? Thanks.<\/em>&rdquo;<\/p><p>When you connect an external hard drive to your Mac running on macOS Ventura, Monterey, Big Sur, or Catalina, the storage drive may not show up on Desktop, Finder, or even on the Disk Utility app due to several reasons.<\/p><h2 class=\"wp-block-heading\" id=\"common-reasons-for-external-hard-drive-not-showing-up-on-mac\">Common Reasons for External Hard Drive Not Showing Up on Mac<\/h2><ul class=\"wp-block-list\">\n<li>USB connectivity problem<\/li>\n\n\n\n<li>Not setting preferences in macOS<\/li>\n\n\n\n<li>Partition map damage<\/li>\n\n\n\n<li>Device incompatibility<\/li>\n\n\n\n<li>Physical damage on a hard drive<\/li>\n<\/ul><iframe loading=\"lazy\" width=\"650\" height=\"335\" src=\"https:\/\/www.youtube.com\/embed\/kDCZCDptDDk\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"><\/iframe><h2 class=\"wp-block-heading\" id=\"methods-to-fix-the-external-hard-drive-not-showing-up-on-mac\">Methods to fix the External Hard Drive Not Showing Up on Mac<\/h2><p>The next sections describe multiple troubleshooting methods to fix the <em>&lsquo;external drive not showing up on Mac&rsquo;<\/em> issue on macOS.<\/p><h3 class=\"wp-block-heading\" id=\"First_Point_Header\">1. Check the USB Connectivity<\/h3><p>Your external hard drive may not be connected properly to the USB port present on your MacBook Air, iMac, or Mac mini. Try the following steps:<\/p><ul class=\"wp-block-list\">\n<li>Try reconnecting the drive to the same or another compatible USB port.<\/li>\n\n\n\n<li>If that doesn&rsquo;t fix the issue, try changing the USB cable and reconnect.<\/li>\n\n\n\n<li>If you have another Mac, then even try connecting the external drive to it.<\/li>\n<\/ul><h3 class=\"wp-block-heading\" id=\"Second_Point_Header\">2. Enable visibility of external hard drive not showing up on Mac<\/h3><p>In macOS Ventura, Monterey, Big Sur, or Catalina, you need to enable the visibility of external disks. For setting your preferences, do the following:<\/p><ul class=\"wp-block-list\">\n<li>Go to <strong>Finder<\/strong> &gt; <strong>Preferences<\/strong> &gt; <strong>General<\/strong>. Under &lsquo;<strong>Show these items on the desktop<\/strong>&rsquo;, check the &lsquo;<strong>Hard disks<\/strong>&rsquo; and &lsquo;<strong>External disks<\/strong>&rsquo; checkboxes.<\/li>\n<\/ul><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" class=\"apply-gradient-on-post-images\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2019\/02\/mac-external-drive-not-showing-up-1.png\" alt=\" Enable visibility of external hard drive\"><\/figure>\n<\/div><ul class=\"wp-block-list\">\n<li>Similarly, go to <strong>Finder<\/strong> &gt; <strong>Preferences<\/strong> &gt; <strong>Sidebar<\/strong>. Under &lsquo;<strong>Show these items on the sidebar<\/strong>&rsquo;, check the &lsquo;<strong>Hard disks<\/strong>&rsquo; and &lsquo;<strong>External disks<\/strong>&rsquo; checkboxes.<\/li>\n<\/ul><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" class=\"apply-gradient-on-post-images\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2019\/02\/mac-external-drive-not-showing-up.png\" alt=\"external hard drive visibility on Mac\"><\/figure>\n<\/div><ul class=\"wp-block-list\">\n<li>Also, go to <strong>Finder<\/strong> &gt; <strong>Applications<\/strong> &gt; <strong>Utilities<\/strong> &gt; <strong>Disk Utility<\/strong>. In Disk Utility, to view all mountable and non-mountable drives, go to <strong>View<\/strong> &gt; <strong>Show All Devices<\/strong>.<\/li>\n<\/ul><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" class=\"apply-gradient-on-post-images\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2019\/02\/mac-external-hard-drive-not-showing-up.png\" alt=\"External Drive Visible - Disk Utility\"><\/figure>\n<\/div><h3 class=\"wp-block-heading\" id=\"Third_Point_Header\">3. Update macOS<\/h3><p>Try updating your macOS Ventura, Monterey, Big Sur, or Catalina to fix subtle issues of external hard drive connectivity. But before that, back up your Macintosh HD by using Time Machine to avoid any data loss. Ensure your Time Machine drive is connected to your Mac. Go to <strong>Time Machine<\/strong> &gt; <strong>Back Up Now<\/strong>. Once the backup is taken, perform the following steps to update your macOS.<\/p><ol style=\"list-style-type:1\" class=\"wp-block-list\">\n<li>Go to <strong>Apple<\/strong> menu &gt; <strong>System Preferences<\/strong>.<\/li>\n\n\n\n<li>In the <strong>System Preferences<\/strong> window, click <strong>Software Update<\/strong>.<\/li>\n\n\n\n<li>In the <strong>Software Update<\/strong> window, let macOS to check for updates.<\/li>\n\n\n\n<li>When updates are available, click <strong>Update Now<\/strong>.<\/li>\n\n\n\n<li>Click <strong>Download and Restart<\/strong>. Wait till the update is over.<\/li>\n<\/ol><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" class=\"apply-gradient-on-post-images\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2019\/02\/software-update.png\" alt=\"Update macOS\"><\/figure>\n<\/div><h3 class=\"wp-block-heading\" id=\"Four_Point_Header\">4. Repair external hard drive by using Disk Utility<\/h3><p>When your Mac is not recognizing the external hard drive, use <a href=\"https:\/\/www.stellarinfo.com\/blog\/resolve-external-hard-drive-not-mounting-on-mac\/\" target=\"_blank\" rel=\"noreferrer noopener\">Disk Utility to mount<\/a> and repair the unrecognized external drive. The steps are as follows:<\/p><ol style=\"list-style-type:1\" class=\"wp-block-list\">\n<li>Go to <strong>Finder<\/strong> &gt; <strong>Applications<\/strong> &gt; <strong>Utilities<\/strong>. Double-click <strong>Disk Utility<\/strong> to launch it.<\/li>\n\n\n\n<li>If Disk Utility lists the external hard drive in gray, then select your external hard drive from the sidebar.<\/li>\n\n\n\n<li>From the top pane, click the <strong>Mount<\/strong> tab to mount your unmounted external hard drive.<\/li>\n\n\n\n<li>If the drive is yet inaccessible, click the <strong>First Aid<\/strong> tab from the top pane, then click <strong>Run<\/strong> to initiate the external hard drive repair process.<\/li>\n\n\n\n<li>Wait till Disk Utility repairs your external hard drive. If Disk Utility fails, it will show a message that the drive can&rsquo;t be repaired and you need to back up and replace the drive.<\/li>\n<\/ol><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" class=\"apply-gradient-on-post-images\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2019\/02\/fix-mac-external-drive-not-showing-up.png\" alt=\"Repair external hard drive by using Disk Utility\"><\/figure>\n<\/div><h3 class=\"wp-block-heading\" id=\"Five_Point_Header\">5. Repair external hard drive by using Terminal full disk access<\/h3><p>When Disk Utility can&rsquo;t repair your external hard drive, use your Terminal application available in macOS to mount and repair the affected drive. The steps are as follows:<\/p><ol style=\"list-style-type:1\" class=\"wp-block-list\">\n<li>Go to <strong>Finder<\/strong> &gt; <strong>Applications<\/strong> &gt; <strong>Utilities<\/strong>. Double-click <strong>Terminal <\/strong>to launch it.<\/li>\n\n\n\n<li>At the command line, type <strong>diskutil list,<\/strong> then hit <strong>Return<\/strong>. Note <strong>disk#<\/strong> of the external hard drive.<\/li>\n\n\n\n<li>Type <strong>diskutil mountDisk \/dev\/disk#,<\/strong> then hit <strong>Return<\/strong>.<\/li>\n\n\n\n<li>Type <strong>diskutil repairVolume \/dev\/disk#.<\/strong> then hit <strong>Return<\/strong>.<\/li>\n\n\n\n<li>When the repair process is completed, go to <strong>Terminal &gt; Quit Terminal<\/strong>.<\/li>\n<\/ol><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" class=\"apply-gradient-on-post-images\" src=\"https:\/\/www.stellarinfo.com\/blog\/wp-content\/uploads\/2019\/02\/backup-external-hard-drive-on-mac.png\" alt=\"Repair external hard drive by using Terminal\"><\/figure>\n<\/div><h3 class=\"wp-block-heading\" id=\"Six_Point_Header\">6. Erase the external hard drive not showing up on Mac<\/h3><p>In case the external drive&rsquo;s data is not accessible due to file system corruption, you can still recover the data by using a <a href=\"https:\/\/www.stellarinfo.com\/data-recovery-mac.php\" target=\"_blank\" rel=\"noreferrer noopener\">data recovery software for Mac<\/a>.<\/p><p>After recovering the inaccessible data, erase the drive by using Disk Utility to fix any logical issues. Finally, restore the recovered data to the external hard drive.<\/p><h3 class=\"wp-block-heading\" id=\"Seven_Point_Header\">7. Replace the external hard drive not showing up on Mac <\/h3><p>If your external hard drive is not visible in Disk Utility even if you have chosen the <strong>Show All Devices<\/strong> option in the <strong>View <\/strong>tab, then the drive may have undergone physical damage. You need to replace the inoperative drive with a new one.<\/p><p class=\"has-background note-alert\"><strong>Note<\/strong>: To recover data from a dead hard drive, get in touch with a <a href=\"https:\/\/www.stellarinfo.com\/services\/data-recovery.php\" target=\"_blank\" rel=\"noopener noreferrer\">data recovery service provider<\/a>.<\/p><h2 class=\"wp-block-heading\" id=\"tips-to-prevent-permanent-data-loss-on-external-hard-drive-not-showing-up-on-mac\">Tips to Prevent Permanent Data Loss on External Hard Drive not showing up on Mac<\/h2><ul class=\"wp-block-list\">\n<li>Implement a 3-2-1 backup strategy (3 copies of data on 2 different storage media with 1 copy offsite) to safeguard against any data loss incident.<\/li>\n\n\n\n<li>Do not erase the external hard drive straight away if it is not recognized by your Mac unless you recover that data by using a Mac data recovery software.<\/li>\n<\/ul><h2 class=\"wp-block-heading\" id=\"conclusion\">Conclusion<\/h2><p>The blog highlighted common reasons for troubleshooting strategies to resolve the &lsquo;external hard drive not showing up on Mac&rsquo; issue. To perform any critical troubleshooting process, back up your drive. In case of data loss, do not lose hope. Recover your lost data by using a Stellar Data Recovery Professional for macOS Ventura, Monterey, Big Sur, Catalina, or earlier. The Mac data recovery software supports a variety of storage devices including external hard drives formatted with APFS, HFS+, HFS, NTFS, FAT, and ex-FAT file systems. The software is available for a free trial.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&ldquo;Hi friends, when I connected my 2 TB Seagate external hard drive&hellip; <a class=\"more-link\" href=\"https:\/\/www.stellarinfo.com\/blog\/recover-external-hard-drive-not-showing-up-on-mac\/\">Continue reading <span class=\"screen-reader-text\">External Hard Drive Not Showing Up on Mac \u2013 How to Recover?<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":35209,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[244],"tags":[],"class_list":["post-35211","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mac-data-recovery","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>External Hard Drive Not Showing Up on Mac \u2013 How to Recover?<\/title>\n<meta name=\"description\" content=\"Is the external hard drive not showing up on Mac? 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