WiFi is connected but not functional

I never lose the wifi connectivity, I always have full bars on a personal network an Airport extreme, but literally dozens of times a day my download speed will crash at 0 until I start the wifi of my computer. My phone, on the same network, never faced this problem. Download works usually, although my Airplay device, located on the same network, has lately been stuttering much more than he does. I tried fiddling with DNS settings, configuration the Server 8.8.8.8 and vice versa and had no luck.

Go step by step and test.

1. turn off the power to the router. Unplug it from the wall. Wait a while.

Plug it in, back to the wall. Turn on the router. Wait for all lights are light up properly. It will take a while.

Restart the computer.

Boot mode safe.

https://support.Apple.com/kb/PH18760?locale=en_US

2 empty Caches

Safari > Preferences > advanced

Tick the box "Show develop menu in menu bar."

Develop menu will appear in the Safari menu bar.

Click on develop and select 'Empty cache' in the menu dropdown.

3. Delete Cookies

Safari > Preferences > privacy > Cookies and other data from the website:

Click on the button "Details".

Delete all cookies except those from Apple, your internet service provider and the banks.

4 disable Extensions and test them.

Safari > Preferences > Extensions

Uncheck 'Enable the Extension' and test.

Enable the Extensions one by one and test.

To uninstall any extension, select it and click the "Uninstall" button

Tags: Notebooks

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