-
×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
- Business PCs, Workstations and Point of Sale Systems
- Power red light blinks 3 times then 3 white light

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.
03-11-2024
01:30 PM
- last edited on
03-18-2024
10:22 AM
by
JessikaV
Product: HP EliteDesk 705 G4 Microtower PC RCTO Base Model
After updating bios via network every thing was fine but i change something in bios i think i activate raid then i saw windows blue screen and then i shut down my computer by power button after that i tried to power on and i saw power button is flashing 3 long red lights and then 3 short white lights
and nothing is shown on screen
i can’t access bios
i tried resetting cmos by removing the battery an clear cmos button
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>.