@Kevin_Z that improved the speed by about 60 mbps. But i am still getting 420mbps instead of 1GB. Any other suggestions? Thank you

@IrvSp Via ethernet cable. Qos and Parental control are off. bringing modem first didn't make any change. thank you

I have a Netgear cm1000 wired to router tplink ac1750. When testing from Netgear modem I get 960mbps. But when testing from tplink ac 1750. Internet speed drops to 370mbps. I tried resetting and it...