In that case please post the stats, as requested.
In particular make sure you include the error figures, not just the basic speed/attn/noise.
What does the router log have in it for problem periods? That's what it is for - diagnostics.
My broadband basic info/help site - www.robertos.me.uk
My domains,website and mail hosting - Tsohost.
Internet connection - IDNet Home Starter Fibre.
Live BQM.
"Where talent is a dwarf, self-esteem is a giant." - Jean-Antoine Petit-Senn.