@Sanjeed, Welcome to the HP Support Community!
Make sure the wireless key or button is enabled. Check and disconnect any ethernet cable connected to the Notebook.
Sometimes, your WiFi icon may be dragged to the Shown hidden Area. So, before proceeding to the solutions, you can check your Shown Hidden Area and check whether it is here. So, just click the up-arrow in the Taskbar to continue. If it is here, drag it to the Taskbar.
Enable WiFi Icon from Settings
Step 1: Press Windows key and I key together to open Settings. Then choose Personalization to continue.
Step 2: In the pop-up window, choose Taskbar in the left panel to continue.
Step 3: Then scroll down to choose Turn system icons on or off to continue.
Step 4: Make sure the Network or Wireless icon is On.
Step 5: Returning to the last page, choose Select which icons appear on the taskbar to continue.
Step 6: Make sure the Network or Wireless is enabled.
After that, reboot your computer and check whether the issue of Windows 10 WiFi icon missing is solved.
Restart File Explorer
Step 1: Right-click on the Taskbar and choose Task Manager to continue.
Step 2: On the pop-up window, scroll down to find Windows Explorer and choose End task from the context menu to continue.
Step 3: After that, you can run File Explorer again and check whether the issue of WiFi icon missing is solved.
If the issue persists, perform the steps from Wireless Network and Internet Troubleshooting.
You may also run a test on the Wireless card.
Restart the computer and keep tapping F2 repeatedly on startup to enter system diagnostics.
Select the component test and run a wireless test on your computer.
Hope this helps! Keep me posted.
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KUMAR0307
I am an HP Employee