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I was playing around with my Raspberry Pi and I accidentally bricked it! How can I restore it back to the factory defaults?

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Try reformatting the SD card and re-installing the operating system on the SD card. – Eric Leschinski Jun 22 '15 at 2:14
up vote 14 down vote accepted

You can reset the device to factory defaults by reflashing the SD card.

You can find advice on how to do this here: How do I install an OS image onto an SD card?.

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Bricking a device usually refers to getting the ROM into a corrupted state, by flashing with a bad ROM or a failed flash. As Pi has no ROM, you can't brick it like that. Pi runs off the SD card only, so a clean reflash of the SD card should fix it.

If a particuar card is not working (and has never worked) there is a list of known problem cards on a wiki: http://elinux.org/RPi_VerifiedPeripherals#Problem_SD_Cards

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Try reformatting the SD card and re-installing the new operating system on the SD card then install onto your raspberry pie.

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Your need to activate the UED in the help center and re-download debian linux onto the mini-sd card, if you use this it should reset. Hope it helps :D

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duplicate answer. – hildred Dec 26 '14 at 2:33

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