need help my pc is laggy after chaning motherboard

[Windows 10]

I changed my motherboard from msi b450 gaming plus max to msi mag b550 tomahawk max Wi-Fi I have a Ryzen 7 5800x an ASUS 3070 ti and 32 gb ddr4 3800ghz ram. I have updated bios checked to make sure ram was working fine installed all drivers and clean installed windows now my pc is laggy on the desktop screen and especially while opening or downloading any app even settings. im not sure what else i can do or what the problem is especially after doing a clean windows install and updating all drivers and bios

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