@PrabhatNath Have you tried to Forget(Delete) the wireless network profile in Windows 10 laptop, re-add the wireless network and then test again:...

@Shxy6 Check this solution and test if it will work in your case.

@internetlord Make sure that your public IP address is displayed here: If you public IP address is different than the IP address from your router's interface above, that means your ISP probably uses...

@chrisale Check this reply - that maybe valid in your case too. Only one Main Deco ethermet port should go into the Linksys switch.

@annapl Do you have any address reservations already configured ? How many are they ? Every device has a hard coded limit of records in the Address Reservation table. By the way judging by your...

@tabcore Ths could be something specific to MacBooks - you can try update your wireless software or drivers and see if that will make a difference.