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- HP Omen 15 - ACPI Bios not compatible error during Windows 7...

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11-24-2018 03:44 AM
Hello.
I read and tried everything I was able to find about the ACPI BIOS error- without any success. I have installed Windows 10 but I need second Windows 7 on other partition. Notebook has SSD 256GB (Toshiba). Always during install from USB stick I am getting the blue screen with "ACPI error BIOS version not compatible.....". This is during "Starting Windows...." screen so I suppose that problem is not with USB3 drivers. Same happens when I try to install Windows-7 from Windows-10 even if I choose the HDD.
What I tried so far (without sucess):
- updated BIOS from F.08 to F.17
- downloaded new Proffesional Windows 7 (with Windows ISO Downloader)
- add SSD suopport in the install image (https://www.youtube.com/watch?v=EQj0yM1Vnbk Add NVMe driver support to Windows 7 Installation, KB2990941, KB3087873)
- tried also adding the USB3 support to Win7 install
- Legacy Support option in BIOS is Enabled
Does anyone had sucess with this? It seems that for Lenovo with similar HW it have been possible to install Win-7.
The notebook came with BIOS F.08 with date 09/29/2017 - would it help if I rollback to an older BIOS version?
Thanks.
11-24-2018 05:23 AM