Wifi Not working

[borngold]

i got myself a dell xps m1530 [c2d t7250 with 3 gb ram ,vista OS]laptop recently
it has got a intel pro wireless 3945abg card
i have noticed that when ever i resume my system from hibernation
wifi led is not glowing and not working
either i need to reboot or disable and enable the wifi to make it working

how to solve this
thanx for u r help

 

[RCuber]

This would be a wifi driver problem . check for updates from dell site for your wifi card..

 

[borngold]

i have installed the lastest driver still the problem continues ...

 

[skap]

If you are using vendor's software to manage wireless card, check for any power saving option is enabled for network card