Wireless network connection doesn't have a valid IP configuration

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Wireless network connection doesn't have a valid IP configuration

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
Wireless network connection doesn't have a valid IP configuration
Wireless network connection doesn't have a valid IP configuration
2013-03-19 03:14:40
Region : Poland

Model : TL-WR940N

Hardware Version : V2

Firmware Version :

ISP :


Hello guys .
few days ago i changer my work etc . so i tried to connect to worknetwork wireless but it was connected for 10 minutes and then this message just appear "Wireless network connection doesn't have a valid IP configuration" there is also public network the same ,, connected for few minutes then when i connect again always the said limited access but with my home work is working perfectly
but with work or public network always get this msg after few days searching in google nothing useful ps all computers in company are working perfectly with this wireless connection but my laptop no :(
i have this message in router setting WAN port is unplugged,, check photo here http://prntscr.com/wqp7c
so any idea plx ?
router model TL-WR940N
im useing win7 64 hp pavilion dv7
anti virus > deleted
firewall state > off
IP helper > disabled
when i was connecting to public network this is result of
Xirrus WI-FI inspector http://prntscr.com/wlzr2

thanks in advance .
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Re:Wireless network connection doesn't have a valid IP configuration
2013-03-19 03:27:49
have this message in router setting WAN port is unplugged,, check photo here

Configuration without WAN is also possible in this device. TP-link is working like access point only with 4 ports switch.
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