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Nintendo's upgraded version of the Nintendo 3DS. It features bigger screens, longer battery life, better pixel density, and a better design.

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High pitched tone followed by constant freezing and errors

Hi, I have a 3ds xl. I only recently got it for cheap secondhand so don't know its history...

But basically it started making this high pitched screech which would only go away if you restart the system, now after having done this numerous times it's constantly freezing randomly or when you try to boot a game, also it boots into the software closed screen after booting the game. It also struggles reading the game cartridge and only reads that it is there after a few attempts of reinserting it.

I've had it apart and reseated everything, I've tried replacing the wifi card with another one I had lying around. Same with the battery. Tried also updating with no effect.

Am I right in thinking the motherboard is toast or could there be any other culprits causing all of this like the game cartridge? (It freezes and crashes with both a game in and out the slot)

Edit - It's 100% the board, I've checked both the wifi and IR board on other devices and were fine. As with the screens, ribbons, etc.

Photos -

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I'm not sure where to start on the board, where should i be checking continuity? Thanks

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blacksnuffbox the screeching sound and the freezing does point toward components on the main board. Check the board and card reader for any obvious missing or damaged components and clean it with 90%+ isopropyl alcohol and a s oft brush. Check all connectors and cables as well. Post some images of your board etc. just so that we can see what you see. Use this guide Adding images to an existing question for that.

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Hi, thanks for the reply, I've uploaded some photos of the board and updated the post.

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