I cannot see any newer drivers available, so am not sure what to try next. Intel(R) Wireless-AC 9260 160MHz : The network adapter has returned an invalid value to the driver. Things had been going fairly well since, but today I experienced another issue & couldn't connect to the WiFi: However, I still experienced issues and later in March noticed that a newer driver was available on the Intel site - 20.120.1.1, which I then upgraded to. At times the WiFi works seamlessly, but at other times I can turn the laptop on & it will not connect at all.īack in Feb, I upgraded the driver from 20.70.0.5 to the latest available at the time 20.120.0. I also noticed various 'Netwtw08' events logged in the System event log relating to the WiFi card at the time these events occurred. dropping connection, connected but no internet, disabled WiFi card etc. Since taking delivery, I've experienced intermittent WiFi connection issues i.e. I recently purchased a new Dell Inspiron 7580 which came with an Intel Wireless-AC 9260 160MHz network adapter.