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[How To] Convert a disk from MBR to GPT
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<blockquote data-quote="Deleted member 178" data-source="post: 556760"><p>hi guys,</p><p></p><p>So i had a machine originally shipped with Win8 (GPT partition scheme); on it, i installed Win7 and changed the disk scheme to MBR , but after being disappointed by Win7, i want to put Win10 back , but there is a issue :</p><p></p><p>Win10 won't install on a MBR partition scheme ! nooooooooooooo im done , im stuck on Win7 !!!!!!!!!!!!! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite117" alt=":eek:" title="Eek! :eek:" loading="lazy" data-shortname=":eek:" /></p><p></p><p>In fact , no ! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite116" alt=":D" title="Big grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>There is some steps to do convert the MBR partition to GPT; however you will lost all datas on your disks !!! </p><p>Noooooooooooo !!!! my datas are done !!!!! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite113" alt=":confused:" title="Confused :confused:" loading="lazy" data-shortname=":confused:" /></p><p></p><p>In fact no ! just back up them on cloud or external HDD <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite115" alt=":p" title="Stick out tongue :p" loading="lazy" data-shortname=":p" /></p><p></p><p><strong><u>so there are the steps:</u></strong></p><p></p><p>0- Start the installation process.</p><p>1- When Win8/10 show the "Install now" screen , click Shift + F10 to open command prompt.</p><p>2- Once open, type : Diskpart , press enter</p><p>3- Then type : List Disk , the list of your disks will appear, your HDD should be "disk 0" unles you have several of them.</p><p>4- Type : Select Disk 0 (or the number of the appropriate disk you want to convert) , it should show "disk 0 is now the selected disk"</p><p>5- Type : Clean , it will wipe the disk of datas/partitions , hence preparing it for the transition to GPT (also , now you should have any malware running on it <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite115" alt=":p" title="Stick out tongue :p" loading="lazy" data-shortname=":p" /> ), it should show "succeeded to clean the disk "</p><p>6- Type: Convert GPT , it should show "succesfully converted the selected disk to GPT format"</p><p>7- Exit the command prompt, then continue with the installation.</p><p></p><p>8- Once arrived on the installation option screen, select "Custom install", then you should see your disk(s) listed; select the one you want install the OS.</p><p>9- Click on "New" button, set his size, click "apply" , Windows should show a popup warning you that some partitions will be created to ensure a proper installation, click "ok"</p><p>10- Click next, then the installation should start, proceed as usual.</p><p></p><p>This tutorial wade made in real-time, im typing while doing it <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite116" alt=":D" title="Big grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>Thanks for reading , and i hope i helped you.</p></blockquote><p></p>
[QUOTE="Deleted member 178, post: 556760"] hi guys, So i had a machine originally shipped with Win8 (GPT partition scheme); on it, i installed Win7 and changed the disk scheme to MBR , but after being disappointed by Win7, i want to put Win10 back , but there is a issue : Win10 won't install on a MBR partition scheme ! nooooooooooooo im done , im stuck on Win7 !!!!!!!!!!!!! :eek: In fact , no ! :D There is some steps to do convert the MBR partition to GPT; however you will lost all datas on your disks !!! Noooooooooooo !!!! my datas are done !!!!! :confused: In fact no ! just back up them on cloud or external HDD :p [B][U]so there are the steps:[/U][/B] 0- Start the installation process. 1- When Win8/10 show the "Install now" screen , click Shift + F10 to open command prompt. 2- Once open, type : Diskpart , press enter 3- Then type : List Disk , the list of your disks will appear, your HDD should be "disk 0" unles you have several of them. 4- Type : Select Disk 0 (or the number of the appropriate disk you want to convert) , it should show "disk 0 is now the selected disk" 5- Type : Clean , it will wipe the disk of datas/partitions , hence preparing it for the transition to GPT (also , now you should have any malware running on it :p ), it should show "succeeded to clean the disk " 6- Type: Convert GPT , it should show "succesfully converted the selected disk to GPT format" 7- Exit the command prompt, then continue with the installation. 8- Once arrived on the installation option screen, select "Custom install", then you should see your disk(s) listed; select the one you want install the OS. 9- Click on "New" button, set his size, click "apply" , Windows should show a popup warning you that some partitions will be created to ensure a proper installation, click "ok" 10- Click next, then the installation should start, proceed as usual. This tutorial wade made in real-time, im typing while doing it :D Thanks for reading , and i hope i helped you. [/QUOTE]
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