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- HP Community
- Desktops
- Desktop Boot and Lockup
- HP Z1 Desktop Bypasses BIOS / UEFI Firmware Settings Screens

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09-25-2022 01:55 PM
My HP Z1 desktop computer bypasses the BIOS settings and UEFI Firmware settings screens. Here are the things I've tried to access these screens, which have ALL Failed to resolve this issue. NOTE: I'm using a wired keyboard.
1. Press F10 repeatedly when I power on the computer.
2. Press ESC repeatedly when I power on the computer.
3. Press F2 repeatedly when I power on the computer.
4. Press F11 repeatedly when I power on the computer.
5. Press F12 repeatedly when I power on the computer.
6. Tried to boot from a bootable disk (DVD, and USB). The computer ignores these disks (I suspect its configured to ignore the DVD and USB drives during boot up).
7. Updated the BIOS to the lastest version via the HP support site.
8. Reset the CMOS.
9. Accessed the Windows Recovery Advanced Startup options menus. I can get to the menus but none of the options run, including but not limited to UEFI Firmware settings, Use a Device (to boot the computer), Display the Commany Prompt (for advanced diagnostics), Fix Windows Startup etc. Any option I choose results in the same behavior -- The computer screen goes black, and the computer never reboots.
10. Scan the computer for any corrupt system files, and fixed the files.
11. Contacted HP customer support.
12. Confirmed that computer is up-to-date with all Windows updates.
I've spent hours searching the Internt for any other possible fixes. If you have any suggestions, please let me know. Thanks.
09-25-2022 09:12 PM - edited 09-25-2022 09:13 PM
@sabotta wrote:My HP Z1 desktop computer bypasses the BIOS settings and UEFI Firmware settings screens. Here are the things I've tried to access these screens, which have ALL Failed to resolve this issue. NOTE: I'm using a wired keyboard.
2. Press ESC repeatedly when I power on the computer.
8. Reset the CMOS.
The ESC key is the best one to try. Start tapping it when you see the monitor go on-line. If you press too soon or too late then the system needs to be powered off and pack on before trying again.
Did you unplug the system from the power outlet when doing the CMOS reset? Please read page 92
Unplug from wall.
Press power on 3-4 times to discharge residual electricity in power supply
Hold down the CMOS reset button for 10 seconds.
The date and time will be reset causing the system to pause after powering back on
Press F10 to get into bios
.
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09-26-2022 08:41 AM
As mentioned in the post, pressing ESC does not work. I tap once the monitor is online.
The power was unplugged before resetting the cmos. On my computer, you remove the battery to reset the cmos; there is not reset button.
As mentioned in the post, pressing F10 does not work, even after resetting the cmos.
09-26-2022 09:22 AM
@sabotta wrote:As mentioned in the post, pressing ESC does not work. I tap once the monitor is online.
The power was unplugged before resetting the cmos. On my computer, you remove the battery to reset the cmos; there is not reset button.
As mentioned in the post, pressing F10 does not work, even after resetting the cmos.
This is indeed strange.
Can you provide your Product ID?
Make sure the USB keyboard is plugged into one of the USB2 ports. There are 2 in the back and 2 in the front. Do not use a USB3 port.
Thank you for using HP products and posting to the community.
I am a community volunteer and do not work for HP. If you find
this post useful click the Yes button. If I helped solve your
problem please mark this as a solution so others can find it
09-26-2022 09:48 AM
@sabotta wrote:Since you do not work for or represent HP, as you stated, I cannot provide a product ID.
As far as I can tell, the only representatives here that actually work for HP are the moderators. All they do is remove spammers, edit posts to remove personal information such as serial numbers, and remove posts that ask how to guess passwords.
Thank you for using HP products and posting to the community.
I am a community volunteer and do not work for HP. If you find
this post useful click the Yes button. If I helped solve your
problem please mark this as a solution so others can find it