Marvell AVASTAR Wireless-AC Network Controller always has an error after sleep

Turns out the problem is related to Modern Standby, and the driver being turned off by Power settings, and not beign turned back on.

Unfortunately with "Modern Standby" you cannot disable the option "Allow the computer to turn off this device to save power" in Device Manager.

But there is a fix, to disable "Modern Standby" which allows you to then go into power manager and make the change!

Execute the following commands from an elevated command prompt (Run Command Prompt as Administrator):

reg add HKLM\System\CurrentControlSet\Control\Power /v PlatformAoAcOverride /t REG_DWORD /d 0

NOTE to undo this, run the following command from an elevated command prompt: reg delete "HKLM\System\CurrentControlSet\Control\Power" /v PlatformAoAcOverride /f

Once you do the above, you can restart your laptop and now you can go into Device Manager, find Marvell Avastar and the "Power Management" tab will now be available, where you can uncheck "Allow the computer to turn off this device to save power"

My wifi has worked perfectly since!!!

Same problem here, and not really a solution.

I have a Surface Book 2, on Windows 10, driver version 15.68.17022.122, no problem at all with the Marvell adapter.

I tried an upgrade to Windows 11 (a full clean installation, actually), and my problems began: each time I go out of sleep, the Marvell adapter does not work, and needs to be disabled, and then re-enabled in device manager. I tried several driver versions, no change.

As this is a real pain, I downgraded (again full clean installation) to Windows 10, and the problem is gone (well, the Marvell adapter problem, not the discontinued support of Windows 10).

I found a better solution that has been working for the last few days! Go into device manager --> network adapters --> marvell avastar wireless-AC network controller right click and select properties --> advanced and select wake on pattern match --> change from enabled to disabled! Hope this helps some of you! I haven't had to do the enable disable adapter for days which was a solution albeit an annoying one.

This worked for me today:
Go into device manager --> network adapters --> marvell avastar wireless-AC network controller right click and select properties -->select advance --> Band -->select 5Gz only

I've updated the script provided by Thibaut to hopefully make it a bit easier for non-technical folks to use (Thanks Thibaut for the original!).

The script is here: https://github.com/stu-bell/powershell-snippets/blob/main/scripts/Restart-Driver.ps1Save the script to a file (download button in the top right of the GitHub page).

The easiest way to run the script is to create a shortcut to it. Instructions to do that are here:

https://github.com/stu-bell/powershell-snippets/blob/main/run-from-shortcut.md

Once you've downloaded the script and created the shortcut correctly, double clicking the shortcut should run the script to disable and re-enable the driver. You may be prompted to enter your administrator password.