My iPhone and iPad cannot connect to my MacBook's internet sharing anymore.

simsllama,

We're glad the you were able to successfully connect your devices to your MacBook. You've isolated the issue to a specific user account. These types of issues can be caused by files or settings in the original account. We recommend removing login items to determine the possible cause of this behavior:

Remove login items to resolve startup problems on your Mac

Cheers!

Hello and welcome to Apple Support Communities, simsllama!

We understand you're trying to connect your iPhone and iPad to your MacBook for internet sharing. We'd be happy to provide information to help you address this.

Start out by restarting your router and all of your devices:Restart your iPhoneRestart your iPad

Once you've restarted, try to connect again. If that still doesn't work, turn off the "Internet Sharing" option and then turn it back on.

Let us know the results.Have a great day!

Hey simsllama!

Test to see if you experience this same behavior on another user account:Set up users, guests, and groups on Mac

Some software you have installed and configured may be causing issues and testing on another user is a great way to narrow this down.

Regards.

Thanks for those details simsllama,

Could you confirm for us the settings for your MacBook Pro? Here are the steps to follow:

1. On your Mac, choose Apple menu  > System Preferences, click Sharing , then select Internet Sharing in the service list.
2. Click the “Share your connection from” pop-up menu, then choose the internet connection you want to share. For example, if you’re connected to the internet over Ethernet, choose Ethernet.
3. In the “To computers using” list, select the port other computers use to access the shared internet connection. For example, if you want to share your internet connection over Wi-Fi, select Wi-Fi.
4. If you chose Wi-Fi in the “To computers using” list, click Wi-Fi Options, configure the internet-sharing network, then click OK.
5. Network Name: Type a name for the shared connection.
6. Channel: Click the Channel pop-up menu, then choose another channel if you don’t want to use the default channel.
7. Security: If available, click the Security pop-up menu, then choose an option.
   1. Choose WPA3 Personal if all computers that use the shared connection support WPA3.
   2. Choose WPA2/WPA3 Personal if some computers that use the shared connection support only WPA2.
8. Password: Enter a password. If you want to see the current password, select the “Show password” checkbox below the password.
9. In the Service list at the left, select the Internet Sharing checkbox.
10. If you’re sure you want to turn on internet sharing, click Start. Otherwise, click Cancel.

Thanks!

simsllama,

Thanks for the update. We're glad to hear that worked!

Thanks again for using Apple Support Communities.

Have a great day.