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Help! Windows 7 Install Stuck on "ACPI on BIOS is not fully compliant" on Alienw

Started by shkhaslam , Jan 12 2024 06:36 AM

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5 replies to this topic

#1 shkhaslam

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Posted 12 January 2024 - 06:36 AM

Hi everyone,

I'm at my wit's end trying to install Windows 7 on my Alienware X17 R2 and could really use some expert advice. I've attempted the installation several times now, but every time it gets stuck at the same point: "ACPI on BIOS is not fully compliant."

I've tried everything I can think of to troubleshoot this issue:

Downloaded a fresh ISO image of Windows 7 (32-bit and 64-bit versions both)
Used bootable USB drive
Disabled secure boot and fast boot in BIOS
Formatted the hard drive with various partitioning schemes (GPT and MBR)

Nothing seems to work! I'm starting to think it might be a hardware issue, but I'm hoping someone here has encountered this problem before and can offer some guidance.

Additional Info:

My X17 R2 has an 12th Gen Intel Core i9-12900H processor and a Chipset Intel Alder Lake-P PCH.
I'm trying to install Windows 7 on nvME.

Any help would be greatly appreciated! I'm desperate to get Windows 7 running on this machine.

Thanks in advance,

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#2 SleepyDude

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Posted 12 January 2024 - 10:56 AM

Hi,

I don't think the 12th Gen Intel Processor and Chipset Intel Alder Lake-P supports Windows 7!

https://edc.intel.com/content/www/us/en/design/ipla/software-development-platforms/client/platforms/alder-lake-desktop/12th-generation-intel-core-processors-datasheet-volume-1-of-2/010/operating-systems-support/

• Please do not PM me asking for support. Post on the forums instead it will increases the chances of getting help for your problem by one of us.
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#3 cryptodan

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Posted 12 January 2024 - 11:30 AM

Windows 7 is far to old if you need it then use it in a VM.

US Navy Veteran from 2002 to 2006

Masters in Computer and Digital Forensics Expert - Stevenson University Alumni 2015

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#4 JohnC_21

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Posted 12 January 2024 - 03:07 PM

In addition to what cryptodan said. Windows 7 will not detect NVMe unless patches are slipped into the iso file.

https://winaero.com/how-to-install-windows-7-on-a-pci-express-nvme-ssd/

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#5 Secret-Squirrel

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Posted 12 January 2024 - 03:22 PM

I'm at my wit's end trying to install Windows 7 on my Alienware X17 R2 ...............

Modern hardware (BIOS, CPU, etc) and Windows 7 are not compatible with each other.

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#6 Warrepeck

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Posted 02 February 2024 - 02:40 PM

I completely understand your frustration! Trying to install an older operating system on modern hardware can be a real headache. While I admire your dedication to Windows 7, it's important to note that Alienware X17 R2 laptops are not officially compatible with Windows 7. This is because modern hardware components and drivers lack support for the older OS.