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Observe if other connected devices to your WiFi are affected
If your recently upgraded Mac is the only device that encounters this issue, proceed to the next step.
If all of your device is affected, try to reboot your WiFi router. Contact your Internet Service Provider if the issue will still persist after the reboot.
Restart your computer and your router
Restart your computer first, then your WiFi router. Make sure to unplug the router and wait for a couple of minutes before you turn it back ON.
Turn OFF VPN Connections
Some VPN applications can also affect your network speed.
Remove them from your Applications folder to turn them OFF.
Check Proxy Settings on your Safari
You may unknowingly set up a Proxy Server before.
This proxy server can slow down your Internet connection as it creates more hops before you can reach the site you wanted to visit.
Turn ON/OFF the Bluetooth or forget all devices you connected using Bluetooth and reconnect.
Prepare for the new macOS with Trend Micro Cleaner One Pro
Trend Micro Cleaner One Pro helps you manage and free up your Mac storage space. Make your Mac run as new as the day you bought it.
It offers all-in-one Mac cleaning features including: Memory Free, Disk Clean, Uninstall App, and many more. Cleaner One Pro also offers great solutions to help get rid of all the culprits that are known to slow down your Mac — and will help you prepare for any and all upcoming OS.
Observe if other connected devices to your WiFi are affected
If your recently upgraded Mac is the only device that encounters this issue, proceed to the next step.
If all of your device is affected, try to reboot your WiFi router. Contact your Internet Service Provider if the issue will still persist after the reboot.
Restart your computer and your router
Restart your computer first, then your WiFi router. Make sure to unplug the router and wait for a couple of minutes before you turn it back ON.
Turn OFF VPN Connections
Some VPN applications can also affect your network speed.
Remove them from your Applications folder to turn them OFF.
Check Proxy Settings on your Safari
You may unknowingly set up a Proxy Server before.
This proxy server can slow down your Internet connection as it creates more hops before you can reach the site you wanted to visit.
Turn ON/OFF the Bluetooth or forget all devices you connected using Bluetooth and reconnect.
Prepare for the new macOS with Trend Micro Cleaner One Pro
Trend Micro Cleaner One Pro helps you manage and free up your Mac storage space. Make your Mac run as new as the day you bought it.
It offers all-in-one Mac cleaning features including: Memory Free, Disk Clean, Uninstall App, and many more. Cleaner One Pro also offers great solutions to help get rid of all the culprits that are known to slow down your Mac — and will help you prepare for any and all upcoming OS.
