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Thomas J

macrumors newbie
Original poster
Jan 13, 2018
10
7
I have 2010 cMP with a Sapphire RX580 Pulse and it will not boot in to Windows 10. If I select the “Boot Camp” disc as Start Up Disk in System Preferences, restart and get the screen “No Bootable Device”

It works with my old ATI HD 2600 or 5870 card, It also works with both cards installed (RX580 and 2600) on two separate displays using the alt key to use the boot manager and then unplug the 2600 cable.

Is there a way around this to use the RX580 only?

Running High Sierra
 
I have 2010 cMP with a Sapphire RX580 Pulse and it will not boot in to Windows 10. If I select the “Boot Camp” disc as Start Up Disk in System Preferences, restart and get the screen “No Bootable Device”

It works with my old ATI HD 2600 or 5870 card, It also works with both cards installed (RX580 and 2600) on two separate displays using the alt key to use the boot manager and then unplug the 2600 cable.

Is there a way around this to use the RX580 only?

Running High Sierra

Your boot camp installation is messed up. I had the same thing happen and the only way I was able to fix it was to format and reinstall windows. It worked 100% of the time if I held option and clicked EFI Boot, but if I tried to set that disc as my boot drive in macOS it would say no bootable device. Same as you.
 
Your boot camp installation is messed up. I had the same thing happen and the only way I was able to fix it was to format and reinstall windows. It worked 100% of the time if I held option and clicked EFI Boot, but if I tried to set that disc as my boot drive in macOS it would say no bootable device. Same as you.

Except that he said BOOTCAMP not EFI.

For some reason, Apple has disabled Startup Disk selection of BOOTCAMP when RX580 & WIN10 are used with no EFI card.

There is a CLI workaround some people are using. I prefer a graphical selector so I installed BootRunner3 which is fine for my usage.
 
Apple: "How can we sh*t on our customers today?"

I believe they think it's for our own protection. I guess they think we'll get stuck in Windows, and won't know how to get back to macOS. Then we'll blame them for that too... It's myopic on their part rather than trying to intentionally make life harder. They don't support BOOTCAMP/WIN10 on this platform so I guess it makes sense to them.
 
Except that he said BOOTCAMP not EFI.

For some reason, Apple has disabled Startup Disk selection of BOOTCAMP when RX580 & WIN10 are used with no EFI card.

There is a CLI workaround some people are using. I prefer a graphical selector so I installed BootRunner3 which is fine for my usage.

No he said it won’t boot if he selects it as the startup disc, but it will boot if he holds down the option button and chooses it from the boot screen. That’s the same problem I had.

If his windows disk is called “EFI Boot” on startup screen then it’s definitely screwed up as mine was named that too. Typically, the disk is named “Windows” regardless of what the drive is named.
 
You can try https://github.com/abdyfranco/boot-manager :)
Screen_Shot_2018_09_02_at_6_22_37_PM.png

It's an open source alternative to the built-in Startup Disk selector, BootRunner and BootChamp, Based on QuickBoot, and it doesn't require you to disable SIP like other alternatives.
 
You can try https://github.com/abdyfranco/boot-manager :)
Screen_Shot_2018_09_02_at_6_22_37_PM.png

It's an open source alternative to the built-in Startup Disk selector, BootRunner and BootChamp, Based on QuickBoot, and it doesn't require you to disable SIP like other alternatives.

When I had this issue, bootchamp was able to work most of the time but sometimes it would freeze on the Windows logo and I would have to force shut down.

Ever since fixing my install, it works 100% of the time
 
Unfortunately the bootcamp disc was messed up, tested BootRunner 3, but I got the same message when I restarted the bootcamp disc with a “No Bootable Device” message.

Installed Win 10 without BootCamp and now all is fine :)
 
Unfortunately the bootcamp disc was messed up, tested BootRunner 3, but I got the same message when I restarted the bootcamp disc with a “No Bootable Device” message.

Installed Win 10 without BootCamp and now all is fine :)

Glad it's working for you now.
 
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I believe they think it's for our own protection. I guess they think we'll get stuck in Windows, and won't know how to get back to macOS. Then we'll blame them for that too... It's myopic on their part rather than trying to intentionally make life harder. They don't support BOOTCAMP/WIN10 on this platform so I guess it makes sense to them.
[doublepost=1545810373][/doublepost]
I believe they think it's for our own protection. I guess they think we'll get stuck in Windows, and won't know how to get back to macOS. Then we'll blame them for that too... It's myopic on their part rather than trying to intentionally make life harder. They don't support BOOTCAMP/WIN10 on this platform so I guess it makes sense to them.


I am Stuck in Windows with no way to get back to windows, loaded Boot runner3 worked booting to win but am now stuck booting to win
 
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