Network and Sharing Center doesnt't work after sleep mode


  1. rainbowdash
    Posts : 1
    Windows 7 Home Premium 64 bit
       New #1

    Network and Sharing Center doesnt't work after sleep mode


    Hello,
    this is my first post here and I tried browsing for similar errors, but didn't find anything like this. Hope I can find some help here.

    I have Windows 7 (64 bit) on Samsung RV520 - it's a new laptop, I got it about 5 weeks ago. The problem is that after the computer wakes up from sleep mode, the Internet connection is lost and the Network and Sharing Center is not responding at all. Sometimes it does not detect any networks (neither the cable one nor the wifi connection), sometimes it recognizes them but gives "cannot connect" message, sometimes it says I'm connected, but nothing Internet-related works anyway. Either way, every time my laptop goes into sleep mode and I want to access Internet, I have to restart the system, and well.. this is rather annoying.

    Does anyone have any idea what could be the source of the problem and what can I do about it? It's not about the Intenet provider, since on the roommate's laptop all the connections work perfectly fine.

    Thanks a lot for any suggestions!
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  3. Ztruker
    Posts : 6,285
    Windows 10 Pro X64
       New #2

    Try setting the Power option for the Wireless Adapter to Maximum Performance to prevent the internet connection from being lost.

    Control Panel, Power Options.
    Click on Change plan settings net to Balanced (Recommended).
    Click on Change advanced power settings.
    Expand Wireless Adapter Settings.
    Expand Power Saving Mode.
    Click on Setting: and chose Maximum Performance.
    Click Apply.

    Reboot and see what happens the next time toe computer goes to sleep.
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  4. EMINENT 1
    Posts : 14
    Windows 7 Ultimate 64
       New #3

    I am having this same issue with my newly built pc.

    I have a Gigabyte Z68X-UD3H-B3 mobo and after installing and uninstalling drivers, software, changing settings, removing ram, changing power options to maximum power for pci card and wifi, restarted, rebooted, updated all drivers from Gigabyte, chipset drivers, etc.

    Windows will not see a network adapter after sleep. Everything works fine after restarting. I have S3 enabled in bios as that is what I want. I have case fans that I don't want to hear with no option to turn them off. Otherwise, i'd be fine with S1.

    I have unchecked "allow Windows to turn off this device" restarted and tested and I get the same issue. I have unchecked this box in all of my networking devices:

    802.11n Wireless Lan Card #2
    Microsoft Virtual Wifi Miniport Adapter

    Is this just now a working feature? I just want to be able to put my pc to sleep and resume with a working wifi card.
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