Mac perd la connexion Wi-Fi

Salut,

je te remercie pour les suites ...

dans ce cas on espère que tout continue à fonctionner 🙂

d’ici quelques temps tu pourras nous confirmer si la solution est définitive ou pas stp

ca permettra à d’autres users ayant eu ton cas de pouvoir trouver ce post Et ainsi résoudre leur problème.

a très bientôt 🙂

voir ceci : Résolution des problèmes de connectivité Wi-Fi - Assistance Apple

sinon faites ceci : Utiliser le mode sans échec pour isoler des problèmes avec votre Mac - Assistance Apple

Procédure en anglais pour créer un nouveau réseau wifi proprsimproboeme persiste faut changer la carte wifi

Creating a New Wi-Fi Configuration in macOS High Sierra

Back up your Mac before continuing, these steps involve removing system level configuration files. Do not proceed without a backup made so that you can roll back if something goes wrong.

/Library/Preferences/SystemConfiguration/

com.apple.airport.preferences.plistcom.apple.network.eapolclient.configuration.plistcom.apple.wifi.message-tracer.plistNetworkInterfaces.plistpreferences.plist

1. Drag those files into the folder “WiFiConfigBackup” you created in the second step (alternatively, if you’re advanced, have a backup, and know what you’re doing, you can remove them)
2. Restart the Mac by going to the  Apple menu and choosing “Restart”, then let the Mac boot up as usual
3. Return to the Wi-Fi menu in the upper right corner and choose “Turn Wi-Fi On”, and then join the wireless network as usual

Essentially what this is doing is ditching your old wireless preferences and causing MacOS High Sierra to replace them by generating new wi-fi preferences. For many users, this is sufficient to solve any problems with wifi networking.

Optional: Make a New Custom Network Location

If you’re still having wi-fi problems after ditching the preferences and rebooting the Mac, you can try the steps below to create a new network location with custom configuration settings.

8.8.8.88.8.4.4

1. Now click on “OK”
2. Finally, click on “Apply” to set the network changes you just made for the new network location
3. Exit out of System Preferences
4. Open Safari or Chrome, and visit a website – it should load fine

This sequence of trashing wi-fi preferences, generating new wireless preferences, and then, if need be, creating a new network location with custom DNS and MTU are a longstanding set of steps for resolving various wireless problems in many versions of Mac OS, including Sierra, El Capitan, and before.

High Sierra Wi-Fi still not working?

If you’ve done all of the above and you’re still having issues with wireless networking, you can try some general troubleshooting tips too;

• Try to connect to a completely different wi-fi network, if wi-fi works fine with other networks it could be an issue with the router
• Connect a completely different device to the same wi-fi router, does it work fine?
• Try adjusting the wi-fi router channel, or using 2.4GHZ instead of 5GHZ (or vice versa)

If all else fails and wi-fi worked fine before using High Sierra, you can downgrade macOS High Sierra to a prior version of macOS assuming you made a backup with Time Machine before updating to High Sierra. Downgrading is rather dramatic and should be considered a last resort

bonsoir a vous,

allez dans paramètres > wifi > votre réseau > faites oublier > redémarrer le mac puis réinsérer le code

Normalement tout rentrera dans l'ordre 🙂