What Frequency Is Bluetooth? And Who Else Is Using It
A narrow unlicensed band shared with Wi-Fi and microwave ovens.
Bridge Mode on a Router: What It Turns Off, and Why
It stops the provider box routing so your router can. It often switches off their Wi-Fi at the same time.
How Far Does Bluetooth Reach? Not the Number You Were Told
The body that writes the specification says more than a kilometre down to less than a metre.
Is Ethernet Faster Than Wi-Fi? I Measured This Laptop
A Wi-Fi 6 card linked at 78 Mbps on the old band, beside a gigabit port sitting idle.
What Is My IP Address? Your PC Has Two of Them
Windows shows the private one and websites show the public one.
Connected but No Internet? Test the Other Device First
Thirty seconds with a phone tells you whether it is your PC or the whole house.
Wi-Fi Extender Not Helping? Both Makers Say Why
TP-Link says do not give it the same name as your router.
Setting Up a Wireless Printer? Same Network First
Almost every printer Windows cannot find is on a different network from the laptop, and two Wi-Fi names in one house is enough to do it.
Changing Your Wi-Fi Password Kicks Every Device Off
The router settings take a minute.
Netflix Buffering? It Only Asks for 15 Mbps for 4K
Netflix publishes the speed it actually needs and it is far lower than most packages, so a faster line is rarely what stops the spinner.
