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I have a Dell Latitute E7250 with Windows 10 Pro and an Intel Dual Band Wireless-AC 7265 wifi card.
I have constant problems connecting to wifi networks - the laptop either gets stuck on the DHCP auto-config address, or it appears to connect but has no internet connectivity (can't even ping the gateway, let alone DNS or anywhere else). At the same time, my phone will connect fine to the same access point.
I've tried various ways of resetting network settings, but the only thing that works is deleting the keys under Computer\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Interfaces
and rebooting (advice from someone I trust but who was too busy to explain it!) This works for a while, but the problem then comes back after a while as new keys are written.
Can anyone explain:
- what these keys do
- what might be going on here
- is there a more permanent fix
- does
netsh int ip reset
achieve the same thing without having to mess with the registry?
Helpful answer; however I'm not sure I agree with your answer 3: my laptop has these issues with all sorts of different networks which other devices are perfectly happy with. Is the timeout when waiting for DHCP to respond configurable? It sounds like that could be the issue (if a very short timeout was configured Windows would just always re-use regardless). – aucuparia – 2017-07-19T16:29:52.717
Does the issue appear if you got it working in one network and then stay in that one? – testeaxeax – 2017-07-19T16:50:36.680
hard to say - I travel a lot with this laptop. it could well be switching between networks that triggers it (though not always immediately). – aucuparia – 2017-07-19T17:27:03.437
Okay.Did the commands I posted work, or can't you test it right now? – testeaxeax – 2017-07-19T17:33:51.717