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Thread: Unable to connect to Wireless Network after Sleep/Hibernate

  1. #1
    Join Date
    Aug 2006
    Posts
    115

    Unable to connect to Wireless Network after Sleep/Hibernate

    I am running Windows Vista on a newly purchased HP laptop that has inbuilt wireless connectivity. I can establish a wireless network with the linksys router that I have without any problems. The issue is that if I am hibernating the computer or use the sleep option then after starting up, it is not able to find any wireless networks and hence will not connect. When I shutdown and restart then it will detect wireless networks again and connects automatically to my default network that I am using. Can anyone tell me how to solve this issue? Thanks.

  2. #2
    Join Date
    Aug 2006
    Posts
    221

    Re: Unable to connect to Wireless Network after Sleep/Hibernate

    You can use the following Fix it Solutions to enable or to disable IPv6 or to selectively enable or disable components of IPv6 automatically. To enable or to disable IPv6 or to selectively enable or disable components of IPv6 automatically, click the Fix this problem link. Then, click Run in the File Download dialog box, and follow the steps in this wizard here - http://support.microsoft.com/kb/929852

  3. #3
    Join Date
    Aug 2006
    Posts
    115

    Re: Unable to connect to Wireless Network after Sleep/Hibernate

    Thanks for the solution, I will try it out later and let you know if it worked for me or not.

  4. #4
    Join Date
    Dec 2005
    Posts
    136

    Re: Unable to connect to Wireless Network after Sleep/Hibernate

    Even I was having the same problem, but now I have solved it. You just need to get into properties on the Power Management tab and then uncheck "Allow this computer to turn of this device to save power" and then click ok. Now it will be working fine for you because it was fine for me atleast. This problem happens because Vista disables the adapter somehow and doesnt turn it back on until you disable or re-enable the adapter.

  5. #5
    Join Date
    Aug 2006
    Posts
    115

    Re: Unable to connect to Wireless Network after Sleep/Hibernate

    Alright, I have changed the power settings to not turn off the wireless adapter and I have also disabled the IPv6 but sometimes it will work and other times it wont work at all? Today it started properly after Sleep mode but then it got disconnected after 25 minutes all of a sudden. Does anyone has any other solution. Thanks

  6. #6
    Join Date
    Jan 2006
    Posts
    830
    It could be that the default gateway setting is lost when you wake a Windows Vista-based computer from sleep. After you wake the computer from sleep, the DHCP Client service (Dhcpcsvc.dll) is responsible for informing the IP stack about the routing information. The routing information is stored in the network store interface. This problem occurs when the network store interface already has the routing information that the DHCP Client service wants to store. To solve this issue, go to the website here - http://support.microsoft.com/kb/933872/en-us

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