@Joseph-TP Hi thank you. I uninstalled and reinstalled the card with driver 3.1.6.0 (but the card doesn't work with driver 3.1.10.0 too) and as you suggested I disabled energy saving. I can't try the...

After about ten days of operation at reduced speed compared to my internet line (4.2 GBps max download VS 10 GBps), the connection to the network is disabled a few seconds after turning on the PC. I...