Do you have a system with an 16GB or 32GB Optane disk + HDD, or did you have a 256GB+ boot drive?  The 0142 could also be a connection issue.  You could try reseating the OS drive (if Optane, both reinstall the SSD plus unplug and reconnect the cables on the motherboard to the HDD).  If you're still under warranty and the drive failed the self-test, Dell would probably cover it under warranty as a replacement. 
My son's Aurora R7 won't boot.  He's getting Error Code 0723 at startup and the system won't load Windows. After hitting F12 and doing a diagnostic, he also gets Error Code 0142 & 0151.  Both these errors indicate a hard drive failure.  I'm assuming his SSD drive is fried but I want to be certain before forking out the $$$ for a new one.  A few months back a sudden power outage fried the bios battery so I want to make sure this error is not due to the mother board rather than the drive.  Any help would be appreciated. For replacement I'm looking at a SAMSUNG 970 EVO Plus M.2 NVMe PCI-E 1TB Solid State.  Any thoughts on this would also be appreciated. Thanks,
Aurora R7, error code 0723, SSD issue?