on PC, go to windows search and type cmd and press <enter>

Then type this down and leave it running for a while and check on this when you have that problem

ping 204.2.229.10 -t

press <enter>

something like this will pop up

reply from 204.2.229.10 : bytes=32 time=xxms TTL=39
reply from 204.2.229.10 : bytes=32 time=xxms TTL=39
reply from 204.2.229.10 : bytes=32 time=xxms TTL=39
reply from 204.2.229.10 : bytes=32 time=xxms TTL=39

time=xxms this is your ping. Try have a look at it when you have that problem. See if your numbers fluctuated. Sometimes you will also get something like "connection timed out" between those lines. This is especially bad if you have lots of them.

to stop the command from running, press <ctrl+c>