New laptop has ruined Wi-Fi

[thmsbck94]

Recently purchased a new laptop, and since then Wi-Fi has slowed from 60 mbps to 5 on all devices. Have checked for firmware updates, changed router channels, and called ISP. Nothing has worked so far. Any suggestions?

 

[rgd1101]

it is running windows update?

or could be
https/www.howtogeek.com/224981/how-to-stop-windows-10-from-uploading-updates-to-other-pcs-over-the-internet/
turn off “Allow downloads from other PCs”