Yeah, I'm with this.
If you're having this problem with just a basic setup, there is something seriously wrong. I would get in touch with the seller and see about a resolution.
Looks like I need yet another "new" board. I wish I knew what I was doing wrong.
Bet you need to update the bios. It is not a hardware problem. It's all software related. Bad driver update or one that is not supported by your current bios revision.
R630 with IDRAC 2.30.30.30, bios 2.0.1, upgrade firmware to 2.60.60.60, then reboot hangup when "Loading BIOS Drivers...", and try many times with the same error.  ...
www.dell.com
I have made sure everything is updated as much as I can.
This is what I have....
Firmware Inventory
Component Firmware Version
Power Supply.Slot.1 07.12.52
Power Supply.Slot.2 07.12.52
Integrated Dell Remote Access Controller 2.65.65.65
Intel(R) Gigabit 2P I350-t LOM - F0:1F:AF:ED:99:0C 19.5.12
Intel(R) Gigabit 2P I350-t LOM - F0:1F:AF:ED:99:0D 19.5.12
BIOS 2.9.0
PERC H710P Adapter 21.3.5-0002
Disk 1 in Backplane 1 of RAID Controller in Slot 2 1V02
BP12G+ 0:1 1.00
Lifecycle Controller 2.65.65.65
Dell 64 Bit uEFI Diagnostics, version 4247, 4247A1, 4247.2 4247A1
Dell OS Driver Pack, 15.07.07, A00 15.07.07
OS COLLECTOR, v6.0, A00 6.0
System CPLD 1.0.3
And that link is for 13th gen, I have 12th gen. not sure if it matters.
So far I have cleared bios, nvram, only cpu and ram. no hdd
I go to bios, setup, then device setttings.
Then try and set the embedded nics to default.
thats when it errors out with the uefi.