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March 1st, 2022 13:00

Wifi disconnects after sleep

I recently upgraded my Dell laptop to windows 11.  Since this occurred the wifi now disconnects after my computer sleeps from being unused for too long and does not reconnect even if I click on it manually - I keep being told there is a wifi connection, but no internet, which is not true, because my phone is connected just fine.  The only way to make it work again is to restart the computer. 

I've read similar articles where people have had this issue with windows 10, so have attempted to do the whole "Windows key + R, devmgmt.msc, network adapters, properties, power management tab" jam, but like others I'm also discovering that there is no Power Management Tab to uncheck "Allow computer to turn of this device to save power"

I'm not sure if when I was using windows 10 the wifi was powering down and was reconnecting automatically upon reopening after sleep, either way what is going on now since I've installed windows 11 is just annoying, I just want to be able to open my computer and go like I could on windows 10... do I need to reinstall wifi device drivers or something? anyone else experiencing this? any help would be appreciated.

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20.1K Posts

March 2nd, 2022 08:00

Disable or change settings for Hibernation in Power Settings. That shuts the computer down when it sleeps a long time. It requires a short push on the Power Button to wake.

Your phone has its own wireless cell network connection. 

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March 8th, 2022 14:00

hmmm.... yeah, but this was never a problem before widows 11. Not sure if this is exactly the solution I'm after.  My laptop always managed to get wifi going again after hibernation/sleep no problems on windows 10.

 

1 Message

March 16th, 2022 09:00

Similar issue here, had it in the shop twice for the same thing. It says "no connections available" when it was connected seconds ago and my phone/tablet and other laptop call all see multiple connections with more than enough signal strength to connect. My phone hotspot will run a video game and it won't see that connection even though they're a few feet apart. Tried exchanging the computer for different one in case it was the wifi antenna but again after a day of use I'm back to having to troubleshoot and "fix as administrator" wait for the shut down and then hope it "sees" any of the 5 connections available. One more trip to the "squad" and I'm switching to a different brand. I can only take brand loyalty so far Dell!

4 Operator

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20.1K Posts

March 23rd, 2022 09:00

Check the network card settings to make sure "OK to turn off.... " is not selected in the card's properties.

September 22nd, 2023 14:36

am having the same problem

1 Message

October 2nd, 2023 21:17

For me, it helped to go into Device Manager > Network Adapters > right-click your network adapter > properties. A new window should open. Select the Power Management tab and untick the "Allow the computer to turn off this device to save power" 

now the issue is if you do not see the Power Management tab like me. Then 1 more step is needed. Go to the start menu type cmd.exe and click run as administrator. Run command:
reg add HKLM\System\CurrentControlSet\Control\Power /v PlatformAoAcOverride /t REG_DWORD /d 0 
to disable modern standby. Then restart the computer. And go back to step 1, you should see the Power Management tab in the network adapter options as described above.

(edited)

3 Posts

January 22nd, 2024 00:13

Tried the "cmd.exe" as an administrator step, inserted the registry line, and I still have the same blank box in the new window when I go into Device Manager > Network Adapters > right-click network adapter > properties. No other tabs, no other options to click. This is beyond frustrating...

(edited)

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April 12th, 2024 14:17

This issue just started happening for me as well... Still no solutions? 

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June 19th, 2024 09:48

@Denarian​ Thank you. This worked for me and I have unchecked that option. Will see if that solves the problem from now on.

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3 Posts

March 29th, 2025 15:53

i found a solution for this yall if you still need

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1 Message

April 5th, 2025 17:06

@gene19887​ Hi Gene, yes please if can share the solution that worked for you, Thank you

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3 Posts

April 8th, 2025 07:56

Sure. Go to device manager, open network adapters, click on your network adapter, open the power management tab, and put a check mark next to both of the boxes that say allow the computer to turn off this device to save power and the box that says allow this device to wake the computer. That's what worked for me. A lot of people recommended unchecking the one that says allow the computer to turn off this device to save power but that didn't fix it for me. report back if it works for you I think it will.

(edited)

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April 8th, 2025 07:58

So now in my case it will only lose the network when it goes into hibernation which I have set to 1 hour but you can change that of course too.

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