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I purchased the CANAKIT Raspberry pi with the Canakit power supply. I purchased the pre-loaded microsd card. On first power up I got the rainbow and the lightning bolt (no menu) I've tried 3 alternate power supplies and plugging the usb cable into my computer USB port. No change!

Paul Wilson
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1 Answers1

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In my case it was a bad contact in microUSB socket on Raspberry Pi.

Vadym Zhukovskyy
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