7140 "no bootable device not found" after BIOS update

Just ran the update of the BIOS on my 7140 and my system does not start.  When starting, it immediately presents "no bootable device found" and some options to retry/configuration/diag.  I ran diagnostics and 'Hard Drive 0-0-0' line tests OK.

I'm guessing that the Secure Boot is messed up.  Can someone tell me what should be the default settings?  Is there a personal touch and should be set?

My tablet is running I'll share what I did in case others get hit by him.  I went into the BIOS and verified Secure Boot and it's been activated, although apparently it was not activated "actually".  I disabled and enabled the boot Rom Legacy and rebooted.  The machine is in how recovery mode I could have deciphered the entire disk (not secure boot manufacturing necessary), but I decided to not go down that road right now.  (FYI - if you have registered your device with your real account, your decryption key can be found there.)  I know people have privacy on this matter, but it could really help in a pinch like that).

I closed this and went back into the BIOS setup.  I unchecked Legacy ROM and then turned back on Secure Boot.  Apply, exit, restart.  Started upward and works.  I have several other concerns since the updates that came out yesterday, but I'm going to start new threads for those.

Tags: Dell Devices

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