How to Fix USB-stick not bootable anymore
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.
Related Searches
Original Question: "USB-stick not bootable anymore!"
So I’ve tried installing Catalina, haven’t come into the installer though. But now, after some attempts my USB-stick isn’t seen as bootable anymore. I have MSI bios. I can still boot to windows, but my USB-stick doesn’t show as the boot partition in my bios. I’ve considered just buying a new USB-stick and see if that works. Please help!
My specs: CPU: Ryzen 7 3700x GPU: RX 5609 XT Thicc ii pro Mobo: MSI B450 Tomahawk Max RAM: Corsair 3600mhz (2*8gb) USB stick: It’s a SanDisk Ultra Dual usb-c 32gb.
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