What is the reason for the intermittent operation of the Internet on a PC?

Question

Computer networks

PC connected to 5Ghz Wi-Fi using USB adapter

• router
  
• USB adapter
  

Judging by InSSIDer, I have the only 5 Ghz network in the house. Before that, the Internet was accepted normally, why now is this :? or is this the norm?

Answer 1

the usb port is not contacting, the whistle is not fully plugged in, the usb port is a bit squeezed, the antenna is broken at the bend, the computer is just in an unfortunate interference place, the drivers are no longer friends with the next microsoft update ...
you clean the computer, plug all the connectors, in general, carry out maintenance computer (which should be annual and never hurts), so you think further ...
for a stationary computer, throw out the waffle nafih. stretch 1 gigabit wire and live in peace.

Answer 2

the picture shows the load profile. and basically says nothing.
run a test,
ping [your gateway] -t , and see if there is any loss or jitter.

Answer 3

Freezing?
we have half of the network in the city from frost ..... pings barely go