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Windows 7: downgrading from 8 to 7

08 Sep 2015   #1

windows 7 32-bit
downgrading from 8 to 7

Hi guys,

I have an HP ProBook 4530 pre-installed Win 8. I want to downgrade it win 7 and for that, I know that I need to disable Secure Boot in BIOS but I can't find that option there
Could you please help me how to solve that problem? I want to install Win 7 from a USB flash.

My System SpecsSystem Spec
08 Sep 2015   #2

Windows 7 Ultimate x64 SP1

See if this helps (should be similar for you)
Struggling to boot from the CD/DVD on an HP 4540 Laptop? You have to go into the BIOS configuration. Press ESC whenthe Laptop starts up, then press F10 Choose the "System Configuration" tab, expand 'Boot Options' and uncheck "Secureboot" option. You then just have to choose 'UEFI Hybrid (with CSM)' or 'Legacy' under 'Boot Mode'.
Cannot boot from CD on Probook 4540s - HP Enterprise Business Community
My System SpecsSystem Spec
08 Sep 2015   #3

windows 7 32-bit

Thanks for the reply.
I get this error when installing 7:
A required CD/DVD drive device driver is missing...

The problem is that there is not the Secure Boot option in the BIOS for disabling!
My System SpecsSystem Spec

08 Sep 2015   #4

windows 7 32-bit

Thank you again. I'd like to aware you that my problem became solved my friend :)
I started this time by using a DVD installation disk. And it showed no errors.
My System SpecsSystem Spec

 downgrading from 8 to 7

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