-
×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
-
×InformationNeed Windows 11 help?Check documents on compatibility, FAQs, upgrade information and available fixes.
Windows 11 Support Center. -
- HP Community
- Notebooks
- Notebook Boot and Lockup
- Can't downgrade BIOS version

Create an account on the HP Community to personalize your profile and ask a question
Your account also allows you to connect with HP support faster, access a personal dashboard to manage all of your devices in one place, view warranty information, case status and more.
It has been a while since anyone has replied. Simply ask a new question if you would like to start the discussion again.
09-06-2024 11:26 AM
Product: HP EliteBook 840 G5 Notebook PC
Operating System: Microsoft Windows 11
Hi,
I am trying to downgrade the bios version using the Hp firmware update and recovery tool but I get the message that
"BIOS update did not proceed because the system administraitor has locked the BIOS version" . In the boot menu the lock bios option is unchecked and i have tried checking it and uncheking it again but did not solve.
Device: Elitebook 840 G5
Current Bios version: 01.28.00
Target Bios version: 01.06.00
1st msg
2nd msg
Be alert for scammers posting fake support phone numbers and/or email addresses on the community.
If you think you have received a fake HP Support message, please report it to us by clicking on "Flag Post".
† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the Terms of Use and Rules of Participation.
Didn't find what you were looking for?
Ask the community
† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.