I just find up the reason of this issue was mylandline (some QoS pakage ) affects these network cards in dell laptops, after I turned off the modem VoIP service, everything works properly !!!!  
My ISP replace my modem (new one is the same model , have the same public IP, same LAN(DHCP), this one have active  fix phone line. My connection :ISP ->Modem - IP public Static  -DHCP LAN-cable-> 3 routers wifi -> 2Phones, 3 PCs, 3 Samsung Tv Only my main Laptop(Alienware Area-51m R2) is not working(the rest of the devices are working fine) - some pages are not loading, some application not working(like Microsoft Teams, or google meet or some site like youtube(is take for ever to load), or some others pages, but some pages are working fine (like gmail, google etc) I try everything(don't work) : directly connection to modem, directly connection to Routers - Ethernet cable                                             wifi connection to routers                                             unistal network drivers and reinstall I disable IPv6, refresh DNS cache, login with another user on my main laptop, no luck If I connect via hotspot (4g mobile network ) or another public network, or the internet from my neighbor(wifi) all is ok *********ALSO I MAKE A  VIRTUAL WINDOW 10 PRO INSIDE MY MAIN LAPTOP -and everything is ok(all pages and application are working just fine) --- that is so STRANGE!
Area-51m R2, some pages and app won't work after modem replaced