However I will share some tricks or settings I use on unstable WiFi. First I change the router to use WPA2 exclusively. Another test and if that didn't help we move to 802.11g since 54 megabit is far more than most internet connections.
But that said, anytime you share WiFi it will be subject to interference. That is, a ping spike is NORMAL if a long packet or string of packets is fetched. Just try to stream Netflix over WiFi and game. Fix? Get wired.
While my cmd gives these results upon sending a ping to www.google.com :
my brother's gives good results of stable 10ms with no ping spikes, ever:
(I checked whenever I get ping spikes if my brother got these too, and he had good and stable connection while I didn't)
His room is a bit closer than mine to the router (by like 5meters), he has an antenna https://gyazo.com/3a331f2cbfd9cd2e655e1887a032a2fd
while I'm using this: https://gyazo.com/db1c9cb34184266d104c2a80e074a2e8
we both have this sign: https://gyazo.com/192b579e3467d02df23e03e34b579573
as our network connection symbol
1) Why is his network connection better than mine? I constantly get ping spikes while his connection is perfect, 2) is there any way of making my connection better than his or at least the same? 3) is there any program that will make my PC be favoured upon dividing the connection speed? 4) If my PC will be connected to the router with a wire and I will be the "host" of our connection, me and my brother will have the same connection stability, right?
And one last question, 5) is there such a thing as a PC not being able to connect to a network wirelessly and being able to get network connection only by having it connected to a router? because my father's PC is pretty old and he says his computer can't get connection if it will try to get connection wirelessly. And if such thing exists, 6) is there a way to make it somehow be able to observe wirelessly the connection? like by adding special usb cable that will allow the PC to connect to an antenna.