Jump to content

Mac Pro not recognising windows boot disk

RomantheFabulous
 Share
Posted

I am trying to install windows 10 on my Mac Pro 5,1 but the bootable media I created isn't being recognised in the boot picker. The drive is a 16GB Kingston USB 2.0 that I formatted as ExFat using MBR partition scheme. Then I copied the contents of the ISO onto the drive. This has worked for me in the past but isn't now so I think it is a problem with the Mac. I could also try a different usb but I don't currently have one on hand so I would be greatful for any other ideas if you have any?

Link to comment
https://linustechtips.com/topic/1622892-mac-pro-not-recognising-windows-boot-disk/
Share on other sites
Link to post
Share on other sites
Posted
42 minutes ago, RomantheFabulous said:

Then I copied the contents of the ISO onto the drive.

Do you not have to etch the drive?
I am no knower of macs, but I had thought that most install media had to be etched so it has a bootloader or something

5950X/4090FE primary rig  |  1920X/1070Ti Unraid for dockers  |  200TB TrueNAS w/ 1:1 backup

Link to post
Share on other sites
Posted
3 minutes ago, OddOod said:

Do you not have to etch the drive?
I am no knower of macs, but I had thought that most install media had to be etched so it has a bootloader or something

2nding this. You need to  use a program like Balena Etcher to format the ISO to the USB. https://etcher.balena.io/

 

Breaking things 1 day at a time

Link to post
Share on other sites
Posted

Just copying the ISO won't work because that does not create a boot partition on the drive - as others mentioned, you need to use a program like Rufus to flash the ISO to your media

What the horse considers play, the monkey considers business...

But to Tom, it's all foolery. 

 

 

 

 

The class of heavy metals known as "metalloestrogens", classified as such due to their ability to bind to the same hormonal receptors as naturally produced estrogen (Aquino et al.), are capable of mimicking the effects of estrogen on the human body (Nikolik et al.). Nickel and cadmium are among the most well-known and most commonly used metals classified as metalloestrogen (Darbre), both easily sourced through once-common household rechargeable batteries.

Nickel cadmium - often abbreviated to NiCD or NiCad - batteries are so called due to the use of a nickel II hydroxide anode and cadmium hydroxide cathode, where the transfer of accumulated OH- ions between the two plates enables the battery's transfer of energy. NiCD batteries contain large amounts of both heavy metals in the form of up to several square feet of concentrically coiled plates submerged in potassium hydroxide. Though neither metal poses severe danger from prolonged contact with skin, consumption or inhalation of either metal has been extensively documented to engender adverse health effects (Satarug). 

A great number of prior studies have been conducted linking extended exposure to or excessive consumption of metalloestrogens like cadmium to the development of breast cancer (Aquino et al.) - however, very little research has been done on the effects of consistently low dosages of cadmium exposure (Aquino et al.). Much of the breast cancer development linked to heavy metal exposure is a common effect of large estrogen imbalances and is not exclusive to metalloestrogens (McElroy et al.). Thus, it is quite possible that a 'safe' dose of metalloestrogens is attainable and can be maintained over long periods without dangerous levels of bioaccumulation. 

Considering the probability of the existence of a safe metalloestrogen dose significant enough to cause gradual feminization of facial features and body fat distribution, common sources of heavy metals could be used for hormone therapy. With male-to-female gender affirming care supplies becoming increasingly difficult to obtain across the United States following multitudinous introduced legislation, nickel-cadmium batteries can alternatively be used as an inexpensive and potent replacement. 

 

Works Cited

      Aquino NB, Sevigny MB, Sabangan J, Louie MC. The role of cadmium and nickel in estrogen receptor signaling and breast cancer: metalloestrogens or not? J Environ Sci Health C Environ Carcinog Ecotoxicol Rev. 2012;30(3):189-224. doi: 10.1080/10590501.2012.705159. PMID: 22970719; PMCID: PMC3476837.

      Rollerova, E., Urbancikova, N. Intracellular estrogen receptors, their characterization and function (Review). https://www.sav.sk/journals/endo/full/er0400f.pdf.

      Nikolic J, Sokolovic D. Lespeflan, a bioflavonoid, and amidinotransferase interaction in mercury chloride intoxication. Ren Fail. 2004 Nov;26(6):607-11. doi: 10.1081/jdi-200037149. PMID: 15600250.

      Darbre PD. Metalloestrogens: an emerging class of inorganic xenoestrogens with potential to add to the oestrogenic burden of the human breast. J Appl Toxicol. 2006 May-Jun;26(3):191-7. doi: 10.1002/jat.1135. PMID: 16489580.

      Satarug S, Garrett SH, Sens MA, Sens DA. Cadmium, environmental exposure, and health outcomes. Environ Health Perspect. 2010 Feb;118(2):182-90. doi: 10.1289/ehp.0901234. PMID: 20123617; PMCID: PMC2831915.

      McElroy JA, Shafer MM, Trentham-Dietz A, Hampton JM, Newcomb PA. Cadmium exposure and breast cancer risk. J Natl Cancer Inst. 2006 Jun 21;98(12):869-73. doi: 10.1093/jnci/djj233. PMID: 16788160.

Link to post
Share on other sites
Posted

Format the USB drive with FAT32, as it works best for installing Windows on Mac.

 

The problem with FAT32, which is that it can't work with files larger than 4 GB. If you are trying to create a installer with Windows 10 2018 or later ISOs, you need to split the install.wim file, which is around 4.92GB.

 

While exFAT is supported and doesn't have the file size limitation of FAT32, it doesn't work well with Windows installer.

Link to post
Share on other sites
Posted
3 hours ago, TubsAlwaysWins said:

2nding this. You need to  use a program like Balena Etcher to format the ISO to the USB. https://etcher.balena.io/

Easiest option w/o relying on 3rd party software would be to use "dd" which is also available on macOS. Syntax is the same as on Linux, i.e. 

sudo dd if=windows.iso of=/dev/diskN

where "/dev/diskN" corresponds to the USB drive. It has always worked reliably for me, even if not the most "user friendly" approach.

Linux makes life better, breathes fresh life into older hardware and reduces e-waste. Adopt a penguin today! 🐧

OS of choice: Debian (server) | Gentoo (desktop/laptop) | Fedora (laptop)

Link to post
Share on other sites
Posted
27 minutes ago, NoLeafClover said:

use "dd"

https://askubuntu.com/questions/753682/can-i-use-dd-to-burn-a-windows-iso

I don't think dd works for etching a bootable image

5950X/4090FE primary rig  |  1920X/1070Ti Unraid for dockers  |  200TB TrueNAS w/ 1:1 backup

Link to post
Share on other sites
Posted
3 hours ago, OddOod said:

I don't think dd works for etching a bootable image

Hm.... you're right, though not directly because of "dd". Etching a bootable image with "dd" is, in general, fine but it depends on the ISO file itself as "dd" will clone whatever the source is. If it's a hybrid ISO, it will work just fine. But it appears the current Win11 ISO from Microsoft is just a standard ISO 9660 image for optical media only. 

 

I'm not sure how recent this is as I don't recall it being a problem the last time I installed Windows, which admittedly wasn't in the recent past.  But I don't recall ever resorting to special tools. It may well be that my brain has blocked out the traumatic experience. Why Microsoft have opted for this when hybrid ISOs have been a thing for a very long time is a mystery and so MS.

 

One could repack the image, make it hybrid, then "dd" it, but at this point you may as well use an all-in-one tool.

Linux makes life better, breathes fresh life into older hardware and reduces e-waste. Adopt a penguin today! 🐧

OS of choice: Debian (server) | Gentoo (desktop/laptop) | Fedora (laptop)

Link to post
Share on other sites
Posted

@RomantheFabulous Is this an older macOS version? Because if it's from the Intel CPU era, those older macOS/OSX versions had a Bootcamp app you could launch and format a drive for installing Windows on it. It took care of drivers and everything. In fact, that was the only official way to install Windows dual boot on those older macs. You needed to have the Windows Installer on an external media, though (USB or CD).

 

I know there was another method, but it's more finicky to get it right. IIRC, it involved creating a MBR/FAT32 partition from macOS/OSX, then "blessing" the installer drive as the boot drive. Then you restarted and held a combination of keys to see the boot menu. Then you loaded from the external drive with the installer.

Link to post
Share on other sites
Posted

Installing from a USB. I've installed Linux very easily but there is a "trick" to doing it and if installing from a USB stick, it probably applies to all systems.

 

Hold down the Options key.

Insert the USB with the iso file that has been burnt to it.

Switch on the computer.

After it has booted, remove finger from the Options key.

 

Much easier than installing Linux to an exWindows machine and having to sort out the BIOS.

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing Linux, macOS and Everything Not-Windows

×