{"id":18378,"date":"2022-08-11T09:11:38","date_gmt":"2022-08-11T09:11:38","guid":{"rendered":"https:\/\/techmaina.com\/?p=18378"},"modified":"2023-01-23T11:53:21","modified_gmt":"2023-01-23T11:53:21","slug":"how-to-convert-mbr-to-gpt-without-reinstalling-os","status":"publish","type":"post","link":"https:\/\/techmaina.com\/how-to-convert-mbr-to-gpt-without-reinstalling-os\/","title":{"rendered":"How to Convert MBR to GPT without Reinstalling OS?"},"content":{"rendered":"<p>In this article, we are going to share with you\u00a0How to Convert MBR to GPT without Reinstalling OS?<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-18384 size-full\" title=\"How to Convert MBR to GPT without Reinstalling OS\" src=\"https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/How-to-Convert-MBR-to-GPT-without-Reinstalling-OS.png\" alt=\"How to Convert MBR to GPT without Reinstalling OS\" width=\"700\" height=\"370\" srcset=\"https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/How-to-Convert-MBR-to-GPT-without-Reinstalling-OS.png 700w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/How-to-Convert-MBR-to-GPT-without-Reinstalling-OS-300x159.png 300w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/How-to-Convert-MBR-to-GPT-without-Reinstalling-OS-150x79.png 150w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/How-to-Convert-MBR-to-GPT-without-Reinstalling-OS-696x368.png 696w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_65 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-662d9e67b0091\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-662d9e67b0091\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/techmaina.com\/how-to-convert-mbr-to-gpt-without-reinstalling-os\/#MBR_VS_GPT_Whats_the_Difference\" title=\"MBR VS. GPT: What\u2019s the Difference?\">MBR VS. GPT: What\u2019s the Difference?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/techmaina.com\/how-to-convert-mbr-to-gpt-without-reinstalling-os\/#When_Need_to_Convert_MBR_to_GPT\" title=\"When Need to Convert MBR to GPT?\">When Need to Convert MBR to GPT?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/techmaina.com\/how-to-convert-mbr-to-gpt-without-reinstalling-os\/#Easiest_Way_to_Convert_MBR_to_GPT_Without_Reinstalling_OS\" title=\"Easiest Way to Convert MBR to GPT Without Reinstalling OS\">Easiest Way to Convert MBR to GPT Without Reinstalling OS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/techmaina.com\/how-to-convert-mbr-to-gpt-without-reinstalling-os\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"MBR_VS_GPT_Whats_the_Difference\"><\/span><strong>MBR VS. GPT: What\u2019s the Difference?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>MBR (Master Boot Record) and GPT (GUID Partition Table) are two kinds of partition schemes.<\/p>\n<p>They\u2019re used to help the Windows system find the files or programs you want. Each time when you need to initialize a disk, you will be asked to choose MBR or GPT for your disk.<\/p>\n<p>And if you know the differences between them, it will help you make the right choice for your computer disks.<\/p>\n<p><strong>For operating system: <\/strong>Comparatively, MBR is older than GPT, thus, MBR is more suitable for some previous Windows system while GPT is more compatible with the later systems.<\/p>\n<p><strong>For partition capacity: <\/strong>The maximum size of a partition on an MBR disk is 2 TB, if your disk has 3TB in size, only the front 2TB can be recognized and used. To get around the limitation, many users convert MBR to GPT whose partition capacity amounts to 9.4ZB.<\/p>\n<p><strong>For partition number:<\/strong> If your disk is MBR, you can only create 4 primary partitions or convert one into extended partition on which you can create multiple logical drives. While a GPT disk supports 128 primary partitions at most.<\/p>\n<p><strong>For firmware:<\/strong> This is the main factor you need to take into account when you choose partition style or plan to convert between MBR and GPT. Since MBR + BIOS and GPT + UEFI are the best combinations, your computer will meet boot failure if you make MBR and UEFI or GPT and BIOS together.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"When_Need_to_Convert_MBR_to_GPT\"><\/span><strong>When Need to Convert MBR to GPT?<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>From the contents above, GPT disks have more advantages than MBR disks in terms of partition size, partition number, and resilience. So, it\u2019s no doubt that the majority of users are inclined to convert MBR to GPT on the following occasions:<\/p>\n<ul>\n<li><strong>Need to upgrade to Windows 11. <\/strong>Microsoft announced officially that if you want to upgrade to Windows 11 directly, you have to make sure your motherboard supports UEFI which pairs with GPT. Therefore, if you are running on an MBR disk, it\u2019s inevitable to convert MBR to GPT at first.<\/li>\n<li><strong>Want to get larger disk space.<\/strong> As we have described above, GPT disks have a much larger partition capacity than MBR disks, thus, you don\u2019t need to worry about running out of space soon after conversion.<\/li>\n<li><strong>Need more primary partitions. <\/strong>Windows system can only be installed on a primary partition, if you plan to dual boot two different partitions but don\u2019t have an extra primary partition, you could convert the boot drive from MBR to GPT to get more primary partitions.<\/li>\n<\/ul>\n<p><span style=\"text-decoration: underline;\"><strong>Read Also:<\/strong><\/span><\/p>\n<ul>\n<li class=\"entry-title td-module-title\"><a title=\"How to Increase Dedicated VRAM in Windows 10 [2022]\" href=\"https:\/\/techmaina.com\/how-to-increase-dedicated-vram\/\" target=\"_blank\" rel=\"noopener\">How to Increase Dedicated VRAM in Windows 10<\/a><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Easiest_Way_to_Convert_MBR_to_GPT_Without_Reinstalling_OS\"><\/span><strong>Easiest Way to Convert MBR to GPT Without Reinstalling OS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>If you intend to convert the MBR system disk to GPT, what you most concerned is whether you need to reinstall OS.<\/p>\n<p>Actually, if you choose Command Prompt as an MBR2GPT converter, please be careful. This utility only supports converting an empty MBR disk to GPT so you have to delete all existing partitions on the target disk, which is easy to cause data loss.<\/p>\n<p>Besides, you can\u2019t convert the system disk from MBR to GPT via Command Prompt because can you delete the system partition when the system partition is running.<\/p>\n<p>So is there any way to convert the system disk from MBR to GPT without reinstalling Windows and without losing data?<\/p>\n<p>You come to the right place, here we will introduce you to a reliable and professional third-party tool named AOMEI Partition Assistant Professional.<\/p>\n<p>This <a href=\"https:\/\/www.diskpart.com\/partition-manager-pro-edition.html?utm_source=article&amp;utm_medium=anchor&amp;utm_campaign=techmaina&amp;utm_content=anchor-lmj-20220808\" target=\"_blank\" rel=\"noopener\">Windows partition manager<\/a> can convert both data disk and system disk between MBR and GPT in only three steps. Besides, it\u2019s compatible with almost all Windows editions like Windows 11\/10\/8\/8.1\/7\/XP and Vista.<\/p>\n<p>The following content will take convert system disk as an example to show you how to convert MBR to GPT without reinstalling OS:<\/p>\n<p><strong>Note:<\/strong> Please make sure your computer supports the UEFI interface, otherwise, your PC will fail to boot after conversion.<\/p>\n<p><strong>Step 1: <\/strong>Install and launch AOMEI Partition Assistant Professional, right-click the MBR disk you want to convert, and select \u201cConvert to GPT disk\u201d.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-18379 size-full\" title=\"Easiest Way to Convert MBR to GPT Without Reinstalling OS\" src=\"https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/Easiest-Way-to-Convert-MBR-to-GPT-Without-Reinstalling-OS.png\" alt=\"Easiest Way to Convert MBR to GPT Without Reinstalling OS\" width=\"650\" height=\"487\" srcset=\"https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/Easiest-Way-to-Convert-MBR-to-GPT-Without-Reinstalling-OS.png 650w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/Easiest-Way-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-300x225.png 300w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/Easiest-Way-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-150x112.png 150w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/Easiest-Way-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-561x420.png 561w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/Easiest-Way-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-80x60.png 80w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/Easiest-Way-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-265x198.png 265w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/p>\n<p><strong>Step 2: <\/strong>In the pop-out window, Click \u201cOK\u201d to continue.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-18380 size-full\" title=\"How to Convert MBR to GPT Without Reinstalling OS\" src=\"https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/How-to-Convert-MBR-to-GPT-Without-Reinstalling-OS.jpg\" alt=\"How to Convert MBR to GPT Without Reinstalling OS\" width=\"650\" height=\"487\" srcset=\"https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/How-to-Convert-MBR-to-GPT-Without-Reinstalling-OS.jpg 650w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/How-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-300x225.jpg 300w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/How-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-150x112.jpg 150w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/How-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-561x420.jpg 561w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/How-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-80x60.jpg 80w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/How-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-265x198.jpg 265w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/p>\n<p><strong>Step 3:<\/strong> Then, click \u201cApply\u201d and you will find your disk style has been changed into GPT.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-18381 size-full\" title=\"Easiest Way to Convert MBR to GPT Without Reinstalling OS 1\" src=\"https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/Easiest-Way-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-1.jpg\" alt=\"Easiest Way to Convert MBR to GPT Without Reinstalling OS 1\" width=\"650\" height=\"487\" srcset=\"https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/Easiest-Way-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-1.jpg 650w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/Easiest-Way-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-1-300x225.jpg 300w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/Easiest-Way-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-1-150x112.jpg 150w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/Easiest-Way-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-1-561x420.jpg 561w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/Easiest-Way-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-1-80x60.jpg 80w, https:\/\/techmaina.com\/wp-content\/uploads\/2022\/08\/Easiest-Way-to-Convert-MBR-to-GPT-Without-Reinstalling-OS-1-265x198.jpg 265w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/p>\n<p>Please remember to reboot your computer to get into the BIOS setup after conversion, and then change the boot mode from Legacy to UEFI.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>From this passage, you have known the differences between MBR and GPT and learned how to convert MBR to GPT without reinstalling OS as well as without losing data with the help of AOMEI software.<\/p>\n<p>It\u2019s a very powerful <a href=\"https:\/\/www.diskpart.com\/windows-10\/windows-10-disk-management-0528.html?utm_source=article&amp;utm_medium=anchor&amp;utm_campaign=techmaina&amp;utm_content=anchor-lmj-20220808\" target=\"_blank\" rel=\"noopener\">Windows disk management<\/a> tool, if you need to use an MBR disk one day, this software will help you convert it back to MBR safely.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this article, we are going to share with you\u00a0How to Convert MBR to GPT without Reinstalling OS? MBR VS. GPT: What\u2019s the Difference? MBR (Master Boot Record) and GPT (GUID Partition Table) are two kinds of partition schemes. They\u2019re used to help the Windows system find the files or programs you want. Each time [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18384,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","footnotes":""},"categories":[1],"tags":[3291],"_links":{"self":[{"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/posts\/18378"}],"collection":[{"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/comments?post=18378"}],"version-history":[{"count":4,"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/posts\/18378\/revisions"}],"predecessor-version":[{"id":18386,"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/posts\/18378\/revisions\/18386"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/media\/18384"}],"wp:attachment":[{"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/media?parent=18378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/categories?post=18378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/techmaina.com\/wp-json\/wp\/v2\/tags?post=18378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}