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Vista unable to connect to network or receive an IP address after coming out of Hibernate

My Windows Vista SP1 laptop is set to hibernate when pressing the power button.  When I come out of hibernation, if I am still at the same location...I cannot get on the network.  The only way I can get it going again is to restart the computer.  I have tried to release and renew using ipconfig on the cmd prompt.  I have tried using the crappy repair features on the network connection page and I have tried disabling and re-enabling the hardware switch for the wireless adapter.  None of these have worked!  I am out of ideas other than rebooting every time.  Kinda makes the whole hibernation thing a waste of time.  I also thought it was my router, so I replaced it.  I have the problem whether I am at work or at home (or at customer sites). If it hibernates and comes out of hibernation on the same network...I have to reboot.
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authen-tech
Asked:
authen-tech
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1 Solution
 
LeeTutorretiredCommented:
Check if this page has your answer:

http://www.vistareadygames.com/showthread.php?t=44635
Sleep Causes lost of network connection

At the bottom of the page, there is this post:

I had the same problem and it drove me crazy for weeks.

In control panel select device manager / network adapters
right click on the wireless connection (in my case Intel PRO/wireless
3945ABG Network connection
select Properties, then Power Management remove the check for the box
allow this computer to turn off devices to save power

Then:
control panel / network and sharing center / manage wireless networks
select adapter properties
remove the check from IPV6 and IPV4 and hit OK.
select adapter properties again and check IPV6 and IPV4 then hit OK.

This should keep you from having to reboot whenever your system goes
into hibernate or sleep mode and will keep the wireless connection active upon resuming the system.

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authen-techAuthor Commented:
Leetutor, thanks!  I went to the properties of my wireless network adapter but it didn't have the Power Management tab at all.  Then I went to the NVidia NForce Networking Controller (I thought this was my LAN card) and it had the power management tab, so I made the adjustment there.  At work I was able to hibernate and come out of hibernation successfully and stayed online.  When I hibernated at work and brought the laptop home...It looked like the problem still existed...gave me the private ip address 169.x.x.x.  Then I switched my wireless adapter OFF and back ON using the hardware switch  (which I had done lots of times before and never worked) and I was able to get online right afterwards without powering off the pc.  This is not a perfect fix but it's so much better I'm willing to live with it.  I'd like to test it for a couple days...then I will leave points.

Thanks again!
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authen-techAuthor Commented:
That did the trick.  I still have to flip the off/on hardware switch for the wireless adapter, but that's sooo much faster than rebooting.  Thanks again!
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