My 7480 was working fine yesterday. Tried to power on this morning and I get three amber flashes and five white flashes. Nothing on the display, no audible beeps. Same problem with or without charger plugged in. No other components plugged in, and nothing was changed on the system. Thoughts?

‎7480 won’t boot | DELL Technologies

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ejn63

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September 27th, 2020 13:00

3, 5: Bad system board.

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