-
×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
- Desktops
- Desktop Software and How To Questions
- Bios update firmware failed to install

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.
Check out our WINDOWS 11 Support Center info about: OPTIMIZATION, KNOWN ISSUES, FAQs, VIDEOS 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.
07-08-2026 11:56 AM
Whenver i try to install latest bios it fails, getting this error, as shown in screenshot.
Antivirus off
bitlocker off
charging 100% and plugged in.
secure boot on and off both tried
Logs error: Cannot downgrade, BIOS blocks it - Error code = 0x15
Write Block #1088 FAILED
Laptop: HP EliteBook 6 G1i 14 inch Notebook AI PC: Intel core ultra 5 235u.
Also I am facing high temps when charger plugin
1 REPLY 1
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>.