So my UNRAID system was having a bit of hardware trouble.  I was sick of the SuperMicro mobo / Xeon combination I've been running so I bought new hardware.  Namely an Asrock X570 Phantom Gaming 4 mobo, AMD Ryzen 3400G cpu, 16GB of Corsair LPX RAM (overkill but all they had at the store).

When I setup the new hardware it booted right away, I went in and did standard BIOS tweaking, then set my Boot drive to my UNRAID USB stick.  When booting, the system just boots directly into the BIOS menu.  F11 and try to Force it to boot from the USB Stick, and it does the exact same thing.  I tried all of the rear I/O USB ports and the same results.  

I grabbed a MicroSD card and flashed a new install of UNRAID onto that to try that, same results.  The system just won't boot off of the USB drive despite it being set to do so.  Anyone have input on this?  I found mentions of people running this board and CPU (not together that I found) with UNRAID. 

Lastly I just updated the BIOS on the board (no change), and made a Windows 10 Install Media to try.  The Windows USB Stick booted into the Windows Installer.  So for some reason this just isn't booting to the UNRAID sticks.

Edited October 22, 20205 yr by MandicReally

I just dug out the Linux Mint install stick I used last week on an old laptop.  That worked.  So it seems it is just UNRAID sticks that won't work... I'm confused and haven't found any BIOS settings to make any real change.

Enable cms support in your bios

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6 minutes ago, rachid596 said:

Enable cms support in your bios

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I was worried you would say that.  I cannot do that.  CMS Support is listed but just says "Disabled" and gives me NO OPTION to turn it on.  I'll have to try rolling back a couple BIOS versions and see if the Option was recently removed or contact Asrock.

Maybe try diables secure boot first

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43 minutes ago, rachid596 said:

Maybe try diables secure boot first

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I had to go back 3 BIOS revisions to find one that actually had the CSM menu in it.  That worked.  Thank you!

I had to go back 3 BIOS revisions to find one that actually had the CSM menu in it.  That worked.  Thank you!

No problem. Good luck [emoji1303][emoji1303][emoji1303]

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You can also enable UEFI boot in Unraid, just rename EFI- to EFI in the flash drive. 

Well, discovered my problem...sort of.

 

I went out an bought a new usb flash drive and downloaded the Unraid USB Creater and installed the free version. It worked!

 

So I'm guessing my usb drive is bad.  Question is how do I now use the new usb flash drive.  Can I just copy the contents from the old drive to the new one? Do I need to register the new flash drive? It's been quite awhile so not sure what I need to do.

 

 

2 minutes ago, DigitalDivide said:

Well, discovered my problem...sort of.

 

I went out an bought a new usb flash drive and downloaded the Unraid USB Creater and installed the free version. It worked!

 

So I'm guessing my usb drive is bad.  Question is how do I now use the new usb flash drive.  Can I just copy the contents from the old drive to the new one? Do I need to register the new flash drive? It's been quite awhile so not sure what I need to do.

 

 

 

Just saw this now after trying the new usb flash. I did as you indicated and it worked as well.  Great!  Now to check my system and get it all working

For me I have to switch the usb port my Unraid Bootable USB drive is in, after unraid update....quite annoying.

13 hours ago, abc123 said:

For me I have to switch the usb port my Unraid Bootable USB drive is in, after unraid update....quite annoying.

Make sure fast boot is disabled.

On 3/10/2025 at 4:26 AM, JorgeB said:

Make sure fast boot is disabled.

Looks like fast boot was already disabled, under that CSM I enabled it for UEFI mode on both...maybe that will help resolve the annoying moving USB stick