Thanks for reaching out to us on HP Support Forums. I came across your post and would like to assist.
I understand that you have an HP Notebook - 15-ay011nr and it is stuck in airplane mode. I have read your post comprehensively and appreciate the steps you have performed and have certainly done a good job. Fabulous analysis. Spectacular diagnosis of the issue before posting. Kudos to you for that.
Did any software changes or updates happen on your laptop recently?
Meanwhile, I did some research and suggest you to perform the following steps to fix this issue:
Here's a related post that seems to have helped others find a solution: Click here
And a few methods of solving the issue:
Press Windows key on the keyboard
Click on Settings window
Go to Network icon
Choose Network & Internet category.
The second setting on the left column is Airplane mode.
Turn it Off
Method 2: Update the drivers.
Step 1: Check for the latest driver update through Windows Updates.
At the Start screen, type Windows Update.
Click or tap Settings on the right side of the screen, and then select Install optional updates from the left results.
When the Windows Update control panel opens, click on “Check for Updates” on the top left corner to receive a fresh list of updates.
Step 2: Follow the steps below to update the printer drivers.
Press Windows + X key on the keyboard.
Go to device manager.
Right-click your Wireless/Wi-Fi devices.
Click Update Driver Software and then follow the steps in the wizard that appears.
Restart the computer and check.
Method 3: compatibility mode.Check-in
Download the Wireless/Wi-Fi drivers from your HP website for Windows 10, if not available.
Follow these steps to install the drivers in compatibility mode and check if that helps.
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