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×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. -

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06-25-2021 11:14 AM
Hi,
Usually, secure boot is turned on and off in BIOS.
If you installed Windows 10 in Uefi mode it is mots likely turned on.
To enter BIOS
Turn off the PC by holding the power button until complete shutdown.
Turn on the PC and repeatedly press ESC until startup menu appears.
Press F10 to enter BIOS.
Hope it helps,
David
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06-30-2021 06:41 AM
Hi,
Can you provide the exact model or product number of the machine.
HP Notebook PCs - How Do I Find My Product Name or Number? | HP® Customer Support
Let me know,
David
07-02-2021 08:58 AM
OK.
Does the PC boot if you disable Legacy mode? (and leave secure boot disabled)
You installed Windows 10 in legacy mode. Most likely you will need to reinstall Windows in Uefi mode.
You can create a bootable USB drive with Windows 10 on it and reinstall. You will need to move your personal data to an external device and move back once you have installed Windows.
https://www.microsoft.com/en-us/software-download/windows10
So turn off Legacy mode and turn on secure boot
Turn off the PC and insert USB drive created above
Turn on the PC and repeatedly keep hitting the ESC key until startup menu appears
Press F9 for boot menu and choose the USB EFI file
Install Windows 10. During installation choose custom install and delete all partitions. Install in unallocated space.
Hope it helps,
David