How to Fix Z490: High Sierra installer stuck at "end randomseed"
Graphics issues usually stem from an unsupported GPU, missing acceleration patches, or incorrect boot arguments.
Quick Fix Steps
- Verify GPU support: Check if your GPU model is natively supported in your target macOS version via WhateverGreen documentation.
- Update kexts: Ensure Lilu and WhateverGreen are current and loaded before other GPU-related kexts.
- Check boot arguments: Add
-v keepsyms=1 debug=0x100for debugging, oragdpmod=pikerafor modern AMD cards. - Test Metal support: Open About This Mac > System Report > Graphics and confirm Metal is listed.
Verification
- Graphics acceleration is smooth (not CPU-bound).
- Metal is reported in System Information.
- No GPU-related kernel panics on boot.
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Original Question: "Z490: High Sierra installer stuck at "end randomseed""
Hello! I recently built a Z490 computer with the following specs: - Intel i7-10700 with an iGPU - MSI Z490-A PRO - 2x Corsair 8GB 3200Mhz RAM
I created the High Sierra installer with Unibeast using the guide on tonymacx86, but when booting the installer from the USB, it gets stuck at "end randomseed+++++++". When booting the same USB on a H97 computer, it works fine and the install is successful.
Things I've already tried: - Configuring BIOS according to MSI hackintosh guides online - Applying all the possible Aptio fixes separately - Applying the Free2000 fix - Shuffling RAM sticks around in the computer (Both in either As or Bs or one stick in either the first or the second slot) - The KALSR fix in the Dortania guide, got a slide value of 128, but didn't work.
I read online that this is a memory problem, but none of the proposed fixes or .efi files seem to work.
Has anyone had this problem on an MSI Z490 system, and if so, what was the fix? Any help would be greatly appreciated! Thanks
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