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Deleting partition on external drive


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#1 OldPhil

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Posted 07 February 2018 - 07:52 PM

I am in the process of trying to install an SSD in my mini, I have deleted partitions but am having an issue with the EFI system partition I tried formatting the drive but it did not do the job.  I need the whole drive clean to install the SSD transfer software, the delete partition tab is grayed as are all but the help tab.  HELP :killcomp:


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#2 JohnC_21

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Posted 07 February 2018 - 08:12 PM

I am assuming you want a clean drive with no partitions on the SSD, correct?

 

Open an elevated command prompt in Windows. If you have the latest version of Windows 10 it will be powershell. I don't know if powershell recognizes the diskpart command. If not you can change the powershell prompt to command prompt in Windows 10.

 

Press the Windows key + X > command as admin

 

Type the following commands

 

diskpart

list disk

select disk X     Where X is the number associated with your external SSD. Make sure you are selecting the correct disk as the next step will wipe it

clean                 Deletes all partitions on the disk

exit

exit

 

At this point you should have no partitions on the disk.  


Edited by JohnC_21, 07 February 2018 - 10:28 PM.


#3 OldPhil

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Posted 07 February 2018 - 08:20 PM

John I do not have 10, have 3 versions of 7


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#4 JohnC_21

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Posted 07 February 2018 - 08:40 PM

Okay, in the search box type CMD. Right click CMD and select Run as Administrator and run the diskpart commands I posted.



#5 OldPhil

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Posted 07 February 2018 - 08:55 PM

In CMD it says it is not recognized as an internal or external, operable program or batch file.


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#6 JohnC_21

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Posted 07 February 2018 - 08:59 PM

That is strange. When you type CMD in the search box you do not get the CMD icon in the results? You should see cmd.exe.



#7 OldPhil

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Posted 07 February 2018 - 09:09 PM

When I type CMD it comes up in the top of the pane I right clicked ran as Admin got the Dos box and typed what you had typed.  I sure hope I have not bricked my SSD.


Edited by OldPhil, 07 February 2018 - 09:10 PM.

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#8 JohnC_21

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Posted 07 February 2018 - 09:15 PM

It will not brick it. The clean command simply deletes the current partition table on the drive. 



#9 OldPhil

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Posted 07 February 2018 - 09:27 PM

I think I have caused what is going on, I formatted it, it left it with no drive number.  In manage it shows as disk 1 maybe CMD is not seeing it.  It shows 100mb EFI partition and 114.57 in the other partition


Edited by OldPhil, 07 February 2018 - 09:31 PM.

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#10 JohnC_21

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Posted 07 February 2018 - 09:37 PM

If you are using software to transfer data from one drive to another the SSD does not need to be formatted. The software should take care of the partitioning and format.

 

Are you saying the diskpart command did not delete the partitions on the drive? Another method is to use Partition Wizard to delete all partitions. All steps are virtual and do not complete until you click apply.

 

https://www.bleepingcomputer.com/download/minitool-partition-wizard-free/

 

https://www.partitionwizard.com/help/delete-all-partitions.html



#11 OldPhil

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Posted 07 February 2018 - 09:51 PM

Thanks John will have to try to get back to fooling with this tomorrow, had to give up for now have a big day coming.  Below is what I typed, did I need to type diskpart also?

 

Type the following commands

 

list disk

select disk X     Where X is the number associated with your external SSD. Make sure you are selecting the correct disk as the next step will wipe it

clean                 Deletes all partitions on the disk

exit

exit


Edited by OldPhil, 07 February 2018 - 09:53 PM.

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#12 JohnC_21

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Posted 07 February 2018 - 10:00 PM

Yes, you need to type diskpart first. You will then get the diskpart command window. You may find it easier to use Partition Wizard.



#13 OldPhil

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Posted 07 February 2018 - 10:21 PM

Oops!  I get back to it some time tomorrow, while I had an array of stuff strewn all over my kitchen table(shop is cold) I should have asked the disk part question.  I have breathed life back into a flash drives, totally forgot!!!!!


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#14 JohnC_21

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Posted 07 February 2018 - 10:27 PM

That was my fault. I should have included diskpart. I edited my post showing the commands.


Edited by JohnC_21, 07 February 2018 - 10:28 PM.


#15 OldPhil

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Posted 07 February 2018 - 10:33 PM

Still part my fault :tophat:

 

Mon Yanna


Edited by OldPhil, 08 February 2018 - 03:58 PM.

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