WiFi doesn't have a valid IP configuration

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Hello,

I've upgrade my laptop from Windows to Windows 10. Ever since, I'm trying to connect to the internet but to no avail. When I'm connected thru wifi, I get connected, but it keeps on complaining that the connection is limited.

I did a troubleshooting which stated that '
WiFi doesn't have a valid IP configuration
.

If I connect with a LAN cable, I got quite the same :
Ethernet doesn't have a valid IP configuration
.

Anyone got a suggestion?

Thanks in advance!
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