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Error during Windows installation

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applemacosx123

applemacosx123

Joined
Nov 2, 2016
Messages
3
Motherboard
Asrock B85M Pro4
CPU
Intel(R) Xeon(R) CPU E3-1230 v3 @ 3.30GHz
Graphics
Nvidia Geforce GTX 760
Hello,

I'm trying to install Windows 10 next to Sierra on my PC (on the same HDD).
Mac OS is working fine but when I try to install windows, right after selecting the partition I get the following error:
Windows could not prepare the computer to boot into the next phase of installation.
Click to expand...

This is what I did right now:
- Creating Sierra bootable USB (with UEFI mode)
- Install Sierra
- Create a second partition for the windows installation
- Create Windows 10 bootable with Microsoft MediaCreationTool
- Boot into Windows 10 bootable DVD (in UEFI mode)

My hardware is:
CPU: Intel(R) Xeon(R) CPU E3-1230 v3 @ 3.30GHz
HDD: Seagate ST1000DM003 1TB
Graphic: Nvidia Geforce GTX 760
Motherboard: Asrock B85M Pro4

Thank you very much
 
Last edited:
applemacosx123 said:
Hello,

I'm trying to install Windows 10 next to Sierra on my PC (on the same HDD).
Mac OS is working fine but when I try to install windows, right after selecting the partition I get the following error:


This is what I did right now:
- Creating Sierra bootable USB (with UEFI mode)
- Install Sierra
- Create a second partition for the windows installation
- Create Windows 10 bootable with Microsoft MediaCreationTool
- Boot into Windows 10 bootable DVD (in UEFI mode)

My hardware is:
CPU: Intel(R) Xeon(R) CPU E3-1230 v3 @ 3.30GHz
HDD: Seagate ST1000DM003 1TB
Graphic: Nvidia Geforce GTX 960
Motherboard: Asus B85M Pro4

Thank you very much
Click to expand...
Please follow forum Rules and enter your hardware in your profile and/or create a sig.

Precisely how did you create the partition for Win10 in OS X Disk Utility app?
List steps.
 
Here's what I tried:
I formatted my drive with OS X Disk Utility in GUID and MAC OS X Journaled. After that I made a second partition (about 600GB for Windows - formatted the same) and installed Mac OS X.
After that I booted my Windows installation in UEFI mode. I deleted the partition in created in Disk Utility and tried to install it to the unallocated space. But I got an error saying that Windows couldn't prepare the computer to boot into the next installation phase. So I to change my UEFI settings but nothing helped.
I even took a second drive, plugged it in, formatted both again with Disk Utility as described above and tried to install windows again. No chance, the same error appeared.
Then I realized that I can install Windows, if I delete both drives in Windows Installation manager. So I was only able to install windows if no "Apple formatted" partition on both drives was available.

So I installed Windows in UEFI mode and then booted the Mac OS X Installer and installed OS X without any problems.
After that I downloaded MultiBeast, installed Clover for UEFI mode and Realtek ALC 892.
Then I also downloaded the Nvidia Web Driver and installed it.

So at the moment I have following problems: Sound isn't working, I can only boot to OS X with my installer USB and I'm having graphic problems (if I have some animations on the GUI, the system is lagging and some graphical problems are visible).
 
applemacosx123 said:
Here's what I tried:
I formatted my drive with OS X Disk Utility in GUID and MAC OS X Journaled. After that I made a second partition (about 600GB for Windows - formatted the same) and installed Mac OS X.
After that I booted my Windows installation in UEFI mode. I deleted the partition in created in Disk Utility and tried to install it to the unallocated space. But I got an error saying that Windows couldn't prepare the computer to boot into the next installation phase. So I to change my UEFI settings but nothing helped.
I even took a second drive, plugged it in, formatted both again with Disk Utility as described above and tried to install windows again. No chance, the same error appeared.
Then I realized that I can install Windows, if I delete both drives in Windows Installation manager. So I was only able to install windows if no "Apple formatted" partition on both drives was available.

So I installed Windows in UEFI mode and then booted the Mac OS X Installer and installed OS X without any problems.
After that I downloaded MultiBeast, installed Clover for UEFI mode and Realtek ALC 892.
Then I also downloaded the Nvidia Web Driver and installed it.

So at the moment I have following problems: Sound isn't working, I can only boot to OS X with my installer USB and I'm having graphic problems (if I have some animations on the GUI, the system is lagging and some graphical problems are visible).
Click to expand...

After that I downloaded MultiBeast, installed Clover for UEFI mode and Realtek ALC 892.
Then I also downloaded the Nvidia Web Driver and installed it.
Click to expand...

  • A Screen Capture image of your Apple>About This Mac>System Report...>Hardware> Graphics/Displays sub-menu window uploaded to the Forum will help us to know better about your Graphics and Monitor to answer that part of your problem list.
To get a Screen capture in Hackintosh:
  1. Open the screen to be captured [ In this case click serially Apple on Top Panel>About This Mac>System Report...>Hardware and then Graphics/Displays
  2. Press the CMD key(Windows key) + Shift key and 4 to get a Cursor to drag the outline of the screen to be captured .
  3. Once outline is drawn the captured Screen image will be on your Desktop with a default Screen Shot dated and Timed
  4. You may edit if you like on a suitable Mac Graphic viewer cum editor and save.
  5. You may then upload the saved Screen Capture image to share with the readers of your post.
 
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Going Bald said:
If you are willing to start over try the guide: https://www.tonymacx86.com/threads/guide-multibooting-uefi.197352/
I did this on a Z77, a Z87 and an X99 following the same steps so I know it works.
Click to expand...

Thanks for your answer. I tried that guide but I keep getting the same error during the Windows installation Windows couldn't prepare the computer to boot into the next installation phase).

cmn699 said:
  • A Screen Capture image of your Apple>About This Mac>System Report...>Hardware> Graphics/Displays sub-menu window uploaded to the Forum will help us to know better about your Graphics and Monitor to answer that part of your problem list
Click to expand...
- I can't really remember but I believe it was iMac 17,1".
- I tried it but still no sound. It even says No output device found in my sound settings.
- Here's the screenshot:
Screen Shot 2016-11-10 at 15.22.36.png
 
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