Every time you log into a new WiFi network, you have the option to tick the Remember this network check box. This should, in theory, be everything you need to do to make your Mac remember the password to the network.
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To repair your Keychain, bring up Spotlight and search for Keychain Access. Open it and select Keychain First Aid.
Enter your user credentials and select the Repair option. Click on the Start button to begin the Keychain repair process. If your computer finds any Keychain errors, it will automatically attempt to repair them. Are your download and upload speeds slower than they should be because of a weak WiFi signal?
The WiFi signal transmitted by your router is affected by obstacles, such as walls and furniture, and electromagnetic interference caused by many common household appliances, such as the microwave or the fridge. If your router is on the ground, near a wall, place it on a shelf and check whether the signal strength is any better.
You may need to move the router from room to room to find a place that covers your entire home or office with a strong, stable WiFi signal.
How to Share a WiFi Password Between Mac and iOS Devices
If your router is so old that the once white plastic case has turned beige, it might be best to get a new one before you try any other WiFi optimization tips. The app allows you to measure WiFi signal strength on macOS and Windows and successfully combines highly professional output with simplicity of use. WiFi signal boosters are clever little devices that plug directly into the standard wall outlet and instantly boost the strength of your WiFi network.
WiFi signal boosters are basically special routers with two antennas. One antenna receives a weak WiFi signal, and the other antenna transmits an amplified WiFi signal. The 2.
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For starters, Wi-Fi passwords are sent over the air securely, in an encrypted form bit AES encryption is used for the password handshaking procedure. But what if the receiving device has iCloud Keychain enabled, which syncs passwords seamlessly across devices? That would make it all too easy for your friend to launch the iCloud Keychain app on their Mac and reveal your network password they have saved, no?
That should give a piece of mind to folks who reuse Wi-Fi passwords, which is a terrible habit from a security standpoint. Better yet, visit qifi.
How to share your home Wi-Fi without a password in iOS 11
Got stuck? This feature could be welcome when traveling as a family. Since iOS 12, you can join a Wi-Fi network if someone near you has you in their contacts and has the password for a network you want to join. Back in iOS 11, Apple added a nifty visual way to share network details with a minimum of fuss via a QR code that you scan in the Camera app. This hotspot-sharing format, which was developed in the Android world, encodes the network name and its password.
Some conferences also use them to help attendees connect to the conference network. You can also find them on some Wi-Fi routers, letting you make the first connection without finding the default network password. You can join a network via a QR code simply by pointing your iPhone or iPad camera at it.