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Author Topic: A1222+ and Radeon RX550 - works in boot menu but not AmigaOs 4.1  (Read 172 times)

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Offline kubatyszkoTopic starter

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A1222+ and Radeon RX550 - works in boot menu but not AmigaOs 4.1
« on: February 08, 2026, 07:03:35 PM »
Hi there,
I have a brand new A1222+ (Topaz), installed OS4.1 and it’s working fine with the built in GPU.
When I install my Radeon RX550 (the same type as ready-made A1222+ have but different manufacturer). it works in the boot menu, I also see the OS startup progress bar with drivers loading etc,
But it never shows the AmigaOS 4.1 logo.
I’m wondering there’s a driver I need to activate or some other issue?
 

Offline kubatyszkoTopic starter

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Re: A1222+ and Radeon RX550 - works in boot menu but not AmigaOs 4.1
« Reply #1 on: February 09, 2026, 01:50:47 AM »
I didn’t. I just installed it and I get the same behavior.
Is there a “wrong ” way to install it?
I did the full novice install (because it was too much work confirming everything).
 

Offline kubatyszkoTopic starter

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Re: A1222+ and Radeon RX550 - works in boot menu but not AmigaOs 4.1
« Reply #2 on: February 09, 2026, 06:54:46 AM »
I just did a full wipe and reinstall of the OS and the Enhancer - same situation.
I checked, and the RadeonRX.chip line is in my Kicklayout, which seems to be the only requirement for the driver to work. I only have one section in the Kicklayout.
Could this have anything to do with the fact that my Radeon only has DisplayPort outputs ?

Thanks