Good Day LouiseParkinson1,
I appreciate your time getting back to this thread, first let's work with the wifi, you can disconnect the Ethernet lan for the meantime.
Here's the steps you can try.
-Press Windows key + X
-Go to Settings
-Click Update and Security
-Click Troubleshooter then Additional troubleshooter.
-Look for Internet Connection and run the troubleshooter.
Once done proceed with these steps.
-Press Windows key + X
-Go to Device Manager
-Expand the Network Adapters
-Look for the Wireless driver that was installed
-Right click and Update
-Look for "Browse my computer for driver
-Let me pick drivers available drivers
-Choose an old driver and use it.
Reset Network Settings
Open Settings.
Click on Network & Internet.
Click on Status.
Under the "Change your network settings" section, click the Network reset option.
Click the Reset now button.
Click the Yes button.
-Click Start, type CMD and run as administrator
-Copy and paste each of the commands below and hit enter.
netsh int ip reset
netsh advfirewall reset
netsh winsock reset
ipconfig /flushdns
ipconfig /release
ipconfig /renew
Once you entered all those commands restart your computer and try to connect with the wifi.
If issue persist,proceed with the steps below.
You can download this driver using a different computer and save the driver installer in a USB flash drive.
https://ftp.hp.com/pub/softpaq/sp104001-104500/...
Once done install it in your HP computer.
Restart once done and try to connect.
Have a wonderful day ahead and stay safe.
Sincerely,
Carlo T.
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