Re: (PC) [BF1] Unable to connect to online.

TRy this @BlueEyedTiger13 

01-reset Modem or or Router

https://www.lifewire.com/how-to-properly-restart-a-router-modem-2624570

02-clear DNS cache

-Right click on the start menu and choose Command Prompt (Admin)/ Windows PowerShell (Admin) from the menu.
-Type in the command ipconfig /flushdns

03-Clear host

https://support.microsoft.com/en-us/topic/how-to-reset-the-hosts-file-back-to-the-default-c2a43f9d-e176-c6f3-e4ef-3500277a6dae

04-Clear Origin Cache

https://help.ea.com/en-us/help/faq/clear-cache-to-fix-problems-with-your-games/
05-Manually Uninstall Origin

https://help.ea.com/en-us/help/origin/origin/manually-uninstalling-origin/

install origin

https://www.dm.origin.com/download

06-Repair Game In Origin

If you have the same problem
- Clean Boot: https://help.ea.com/en/help/faq/how-to-clean-boot-your-pc/