The laptop hangs up the local network, who will tell you the reason?

Question

WiFi

Dear sirs, the crux of the problem is this. There is a laptop, Packard Bell ts11-hr-816ru, if anyone is interested
in
the model It is both when connected via Wi-Fi and when wired.
Briefly about the laptop: the OS on it is win 10, set clean, all settings are default dhcp is enabled, static is not assigned. There are definitely no viruses, no software either.
Briefly about the network, the network is built mainly on Mikrotik, while Mikrotik is the main gateway, access points are also Mikrotik. There are 2 switches. one 48 port 100 megabit, 1 24 port gigabit.
The 48-port one is apparently divided into zones, not strong in design features and features of the switches, but the bottom line is that the network falls in segments, not completely, where exactly this laptop is connected, the rest of the network works. if the laptop is connected to an access point, it falls and everything that is connected next to it in the switch.
It manifests itself as follows. At first everything works fine, the laptop even starts to download something, while I monitor pings up to 8.8.8.8, then at a random moment packets start to disappear, then pings periodically increase, alternating with the loss of packets, if you leave it for a long time, everything hangs tightly, but it is restored immediately after turning off the laptop.
Tested on Linux, everything is fine there.
It suggests that the problem is in the drivers, but I do not understand how the WiFi drivers and the network card are connected. Who has any ideas?
I will try to replace the wifi, but there is only 1 module available, if it fits, I will unsubscribe what it is like. Unfortunately, there is nothing to replace the network one for the sake of the test.
UPD. for now I will say that replacing the wifi module did not give any effect. Later I'll see what traffic is chasing there.

Answer 1

Sniffer needs to drive the network and see what's going on. And then draw conclusions.

Answer 2

starts downloading what?

Answer 3

IMHO look for viri. It is unlikely that the network card and the waffle are connected, but I do not care how to spam. Actually linux confirms this thought.
And in general - it's trite to sniff the traffic that it sends there.