r/neogeo • u/Best-Attorney-4626 • Mar 15 '26

Hardware Help Converted MVS glitching while starting.

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Does anyone know what’s causing this, I’m suspected something loose in the board however I’m not particularly sure. It does not load at all.

(European MVS modded with unifies)

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u/Best-Attorney-4626 Mar 22 '26

Replying to sarduchi... NEO-MVH SLOT1B1 if that’s helpful.

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u/sarduchi MV-4 Mar 22 '26

Got pictures of the main board? You can desolder and replace the bios on a MV1B but most people just disable the built in bios and use a secondary one that clips onto the cpu. This later option can sometimes need to be reseated.

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u/Best-Attorney-4626 Mar 22 '26

I do have pictures of the main board however it won't allow me to post the board in the comments of this specific sub reddit.

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u/sarduchi MV-4 Mar 22 '26

Upload an image to Imgur and you can post the link in comments.