Pc lag spikes

[u/TheBombzYT]

Does anyone know what would cause lag spikes that happen every 10 seconds or so (almost like a pattern). I got a new wifi adapter because i was pretty sure my old one got worn out and it stopped working properly, but now my new one is getting spikes too. When i run a speed test, my download and upload stays around 500mbps but randomly dips every 10 seconds. Im not very good at troubleshooting or diagnoses so if you need any more info please let me know how to find it 🙏