USB in UEFI mode not booting


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Machine: Dell PowerEdge r410
Virtualization: Enabled
UEFI Boot Mode: Enabled
SATA Mode: ATA

I can't get my USB to boot Unraid in UEFI mode. i can get it to boot fine in normal mode. I re-made the USB in UEFI from my backup.
 When i first made my USB, I was getting the same problem, so i made the USB without UEFI.image.png.079cd9992fe4eed6782c00f6bef07f89.png

 What am I doing wrong?
image.png.2db72f9c34e1e69f165a65e9d6e6672b.pngimage.png.16b7fe933fcd47489c232faedaa124ce.pngimage.png.14cd49dcaa265e37fec4511b3f7bf242.pngimage.png.7d4f97550276a2ed28be7fcdeb4fb8d7.pngimage.png.65c47da54331d3ab8ed877626163f31f.png

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As I recall, UEFI was added to Unraid a few years (~ 5-6 Years) back because some MB's had that time longer had the capability to boot in the legacy BIOS mode.  Now UEFI has a bit of a checkered past.  Some of the early implementations of it were not well behaved.   (I think it had to do with that they only worked with Microsoft Windows installs...)  Your Dell PowerEdge r410 was introduced back in 2009 and could well have UEFI teething issues.  Have you checked to see if there are updates to the BIOS?  Have you google to see if other users have similiar problems getting Linux to boot on this server?

 

You do realize there is nothing wrong with the BIOS boot mode.  UEFI might be a bit more secure but the risk should be very low for any Unraid installation if you follow normal security provisions. 

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