Dell logo has started showing twice during boot

[GodCalledInSickToday]

I've recently switched legacy to uefi. Everything is working fine except for one minor thing. Before switching I would power on my laptop and the dell logo would appear with a blue loading line and then windows would boot. But since switching to uefi, I power on and the dell logo shows on it's own, then the screen goes black, then the dell logo shows again with the spinning circle underneath and then windows loads.

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