Timeline for Can I use different SSDs with different operating systems on a MacBook Pro?
Current License: CC BY-SA 3.0
11 events
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| Jan 12, 2018 at 13:07 | comment | added | u17 | Thanks, @DavidAnderson. The first partition has attributes “System, Active, Primary Partition” and there is no “EFI System Partition.” I used the Bootcamp Assistant to do a clean install of Windows 10 when it came out. Prior to that, the MacBook ran Windows 8 and MacOS with dual-boot. Prior to installing Windows 10, I erased the entire SSD and loaded MacOS anew from Internet Recovery. | |
| Jan 12, 2018 at 13:06 | comment | added | David Anderson | Macs do not have a BIOS screen to splash to the display on boot. | |
| Jan 12, 2018 at 12:38 | comment | added | David Anderson | Both the EFI and BIOS boot methods require a MBR. The EFI boot method also requires a GPT. The BIOS boot method can also use a GPT, but a GPT is not always required.Your Mac can boot Windows 10 using either method, but the preferred method for Windows 10 is EFI. | |
| Jan 12, 2018 at 12:26 | comment | added | David Anderson |
From a Windows Command Prompt, run diskmgmt.msc and see if your Disk 0 has an "EFI System Partition". If so, then you are probably are using a EFI boot method. Otherwise, you are using the BIOS boot method. Did you use the Boot Camp Assistant to install Windows 10? Or, did you first install an older version of Windows and then upgrade to Windows 10?
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| Jan 12, 2018 at 12:14 | comment | added | u17 | The SSD uses MBR now because when it used to use GPT, the Bootcamp Assistant complained “Windows cannot be installed on to this disk. The selected disk is of the GPT partition style.” | |
| Jan 12, 2018 at 12:05 | comment | added | u17 | @DavidAnderson, That's a good comment. The SSD uses MBR, which in my understanding means Windows is BIOS booting. There is not much of a BIOS screen when the computer is turned on, just the plain white background. Does that change your answer below? | |
| Jan 12, 2018 at 1:30 | answer | added | David Anderson | timeline score: 1 | |
| Jan 12, 2018 at 1:15 | comment | added | David Anderson | Before this question can be answered, One would need to know if Windows is BIOS or EFI booting. The reason for asking is that firmware updates require a FAT32 formatted EFI partition on the primary internal drive. | |
| Jan 11, 2018 at 18:30 | history | edited | u17 | CC BY-SA 3.0 |
added 18 characters in body
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| Jan 11, 2018 at 18:29 | answer | added | Kevin Grabher | timeline score: 1 | |
| Jan 11, 2018 at 17:02 | history | asked | u17 | CC BY-SA 3.0 |