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GPT , not MBR


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29 replies to this topic

#1 Emile

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Posted 28 January 2015 - 02:57 AM

Hello,

I try to install the Win 10 on a new partition to have a dual boot  on my Win 8.1 X64.

I have created a new partition but when I run the Win 10 installer I receive an error because the partition is on a MBR disk HDD and not on a GPT disk. HDD.

 

Is it possible to create a GPT partition on a MBR HDD Disk?

Or do I need a new HDD in GPT?

 

Thanks in advance.


Emile Asus P7P67 Pro v3, Intel 1155 3.4 GH, Corsair DDR3 8Gb,PCX Nvidia 560 ti,PCX Nvidia 550 ti,
SSD 120Gb, 2 x 1 Tera SATA6, Dual Boot

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#2 Portaller

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Posted 28 January 2015 - 03:16 AM

You need a GPT-partitioned hard drive to continue. It isn't possible to have both on the same drive.


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#3 TheDcoder

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Posted 28 January 2015 - 10:33 AM

:exclame: Proceed ONLY If your system's architecture 64-bit

 

:step1: Uninstall your current OS (Important) & Backup all your HDD

:step2: Wipe your HDD

:step3: Download GParted Live CD

:step4: Convert your HDD to GPT Partition Table

:step5: Restore your files

 

And Vola! you can install as many OSes (must be installed in UEFI mode) you like!  :thumbup2:


Edited by TheDcoder, 28 January 2015 - 10:34 AM.


#4 Aura

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Posted 28 January 2015 - 10:43 AM

You don't even need to use GParted Live CD, the HDD can easily be converted from MBR to GPT using diskpart, which you can bring it during the Windows installation. Way easier if you ask me. Also, how come you're using Windows 8.1 on a MBR partitionned HDD? Did you upgrade from Windows 7 directly?

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#5 Emile

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Posted 28 January 2015 - 11:01 AM

Hello Aura,

Yes , I was running Win 7 and upgraded to win 8 and later 8.1 .

 

My intention is to have a Multiple Boot : one with 8.1 and the other to try Win 10 onto 2 separate HDDs.

So I will move all data from HDD 2 to HDD 1 , wipe the HDD 2 , change to GPT using EaseUS Partition manager and install the ISO Win 10 ...

Cross my fingers ..

Thanks for the answers.


Emile Asus P7P67 Pro v3, Intel 1155 3.4 GH, Corsair DDR3 8Gb,PCX Nvidia 560 ti,PCX Nvidia 550 ti,
SSD 120Gb, 2 x 1 Tera SATA6, Dual Boot

#6 Aura

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Posted 28 January 2015 - 11:03 AM

You don't even need EaseUS Partition Manager Free to convert a HDD from MBR to GPT. You can do it natively under Windows via diskpart or the Disk Management.

http://www.sevenforums.com/tutorials/26203-convert-gpt-disk-mbr-disk.html

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#7 TheDcoder

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Posted 29 January 2015 - 02:08 AM

@Aura *Risky*


Edited by TheDcoder, 29 January 2015 - 02:08 AM.


#8 SleepyDude

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Posted 29 January 2015 - 05:21 AM

Hi Emile,

 

If you do not mind my asking how many partitions you have on HDD now?


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#9 Aura

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Posted 29 January 2015 - 06:23 AM

Why would this be risky? I did it ton of times in the past and they all succeeded. I also told a lot of people how to do it, they did it and it succeeded. What's risky in doing that? You don't always need third-party programs for everything.

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#10 TheDcoder

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Posted 29 January 2015 - 08:48 AM

@Aura. Only C drive needs to be present any other drives means no conversion



#11 Aura

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Posted 29 January 2015 - 08:52 AM

I don't get what you mean? You cannot convert a single partition to GPT or MBR. You need to convert the whole hard disk drive or solid state drive. Since it's "drive partitionning table" and not "partition partitionning table".

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#12 Emile

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Posted 29 January 2015 - 09:09 AM

Hello,

Ok this is the satus to day...

First some explanations ... I already have a "triple" boot ...X64

1/ Win 8.1 with all usual applications

2/ Win 8.1 with Steam FSX Flight simulator

3/ Win 7 Pro with FSX Flight Simulator

 

I want to go for a "Quatro 4" boot this last one with Win 10

Why ... it is fun ...

 

I have now a full HDD in GPT see sceen shots later "they are too big"

I start the installation ...

And finally it is refused .....


Emile Asus P7P67 Pro v3, Intel 1155 3.4 GH, Corsair DDR3 8Gb,PCX Nvidia 560 ti,PCX Nvidia 550 ti,
SSD 120Gb, 2 x 1 Tera SATA6, Dual Boot

#13 Aura

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Posted 29 January 2015 - 09:15 AM

What is the error message that you are getting?

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#14 Emile

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Posted 29 January 2015 - 09:31 AM

We couldn't create a new partition or locate an existing one . For more information, see the setup log files" .

 

How can I attach my screen shots and where are the setup log files ??

thanks in advance


Emile Asus P7P67 Pro v3, Intel 1155 3.4 GH, Corsair DDR3 8Gb,PCX Nvidia 560 ti,PCX Nvidia 550 ti,
SSD 120Gb, 2 x 1 Tera SATA6, Dual Boot

#15 Aura

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Posted 29 January 2015 - 09:46 AM

It's a known issue under a GPT drive and Windows 8+, follow the steps in the link below:

http://blogs.technet.com/b/asiasupp/archive/2012/03/06/error-quot-we-couldn-t-create-a-new-partition-or-locate-an-existing-one-for-more-information-see-the-setup-log-files-quot-when-you-try-to-install-windows-8-cp.aspx

You can also bring up the command prompt during the installation via SHIFT + F10.

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