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Sierra install on second HD after W10

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Jan 18, 2017
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Motherboard
Dell XPS8700(Z87)
CPU
i7-4770k
Graphics
Asus GTX970
Hi everyone,
I want to try Sierra on my XPS8700 (i7-4770, gtx970, realtek HD audio and realtek ethernet....). I have 2 hard disk of 1tb each: on the first Windows 10 + app, the second one is used to save files and is almost empty but I have some folders that must remains here. Is it possible to create a new partition on the second hard drive (let's say 500GB) and install Sierra on it, keeping the existing Windows 10 + secondary hard drive partition with a working dualboot?

Thanks in advance and apologize for my bad english...!

Thomas
 
You could use the Windows tools to resize the second drive's partition to 500GB, then format the second partition in HFS+ as part of the Sierra install.

Your problem may be the bootloader, though, as most use Clover on the first drive. If Windows was not installed in UEFI then then EFI bootloader will have to reside on the second drive.
 
You could use the Windows tools to resize the second drive's partition to 500GB, then format the second partition in HFS+ as part of the Sierra install.

Your problem may be the bootloader, though, as most use Clover on the first drive. If Windows was not installed in UEFI then then EFI bootloader will have to reside on the second drive.

Hi, thanks for your reply. Yes, Windows 10 was installed in UEFI. So the bootloader must reside on the first drive? Is it possible?
 
Hi, thanks for your reply. Yes, Windows 10 was installed in UEFI. So the bootloader must reside on the first drive? Is it possible?
Not required - see the pinned guide at the start of this forum for multi-booting on separate drives. It, too, starts with Win10 installed UEFI first. You can skip the Linux part unless you want to install Linux sometime.
 
Not required - see the pinned guide at the start of this forum for multi-booting on separate drives. It, too, starts with Win10 installed UEFI first. You can skip the Linux part unless you want to install Linux sometime.

Thanks Going Bald. Keep in mind that on the second drive I need to keep the partition with windows files. From the guide on this forum, it seems that a full format of the HD (in my case, the second hard disk) is required in order to create the EFI partition (also on the second drive).... That's the point that I don't understand...
 
Thanks Going Bald. Keep in mind that on the second drive I need to keep the partition with windows files. From the guide on this forum, it seems that a full format of the HD (in my case, the second hard disk) is required in order to create the EFI partition (also on the second drive).... That's the point that I don't understand...
Please follow the rules and enter your hardware in your profile:
mobo Dell XPS8700(Z87)
CPU
GPU

What file system did you use when you formatted the storage drive? If it was not GPT+ then it must be reformatted GPT+ to install OS X.
Your easiest path forward is a separate SSD for OS X.
 
Please follow the rules and enter your hardware in your profile:
mobo Dell XPS8700(Z87)
CPU
GPU

What file system did you use when you formatted the storage drive? If it was not GPT+ then it must be reformatted GPT+ to install OS X.
Your easiest path forward is a separate SSD for OS X.

The entire second drive was formattet by Windows 10 setup, NTFS i suppose. So, to install Sierra, the entire drive must be GPT+ o just the 500GB partition?
 
The entire second drive was formattet by Windows 10 setup, NTFS i suppose. So, to install Sierra, the entire drive must be GPT+ o just the 500GB partition?
The base file system format for the entire drive can be either MBR (Master Boot Record) or GUID (Globally Unique IDentifier). The partitions can be formatted in many ways - FAT, NTFS, EXT, etc., but the entire HDD must have the same file system.
How much space is taken on the storage drive? Can you move the files to the Windows drive temporarily? If you can, suggest move them, reformat the HDD with OS X installer, creating a partition for your Windows files and install OS X. Once complete you can then transfer the files back to the storage drive.

Take some time and think how you want to partition the storage drive before you begin.
 
The base file system format for the entire drive can be either MBR (Master Boot Record) or GUID (Globally Unique IDentifier). The partitions can be formatted in many ways - FAT, NTFS, EXT, etc., but the entire HDD must have the same file system.
How much space is taken on the storage drive? Can you move the files to the Windows drive temporarily? If you can, suggest move them, reformat the HDD with OS X installer, creating a partition for your Windows files and install OS X. Once complete you can then transfer the files back to the storage drive.

Take some time and think how you want to partition the storage drive before you begin.

Ok, now I've installed Sierra. What do I have to select on multibeast wizard? Ethernet is a Realtek 8111E, Wifi+Bluetooth is a Dell Wireless 1703. The GTX970 is automatically enabled or it needs drivers?
 
Ok, now I've installed Sierra. What do I have to select on multibeast wizard? Ethernet is a Realtek 8111E, Wifi+Bluetooth is a Dell Wireless 1703. The GTX970 is automatically enabled or it needs drivers?
Assuming you installed UEFI and Windows is installed UEFI select Quick Start ->UEFI
For the network, select Realtek driver in MultiBeast.
For the GTX970, you need the nVidia web driver and enable it in Clover config.plist.
For the wireless, see Post Installation->Network for info on how to get WiFi/BT working. Whether the Dell card will work or not depends on model and onboard chips.
 
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