أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
check the cable, line connection,
check pc internet configuration
Check first if the correct cable is being used. Then verify if your ISP is giving you their service or not.
I would first check the cable that connects your PC for any physical damage
Run a diagnosis
Reboot the Access Point
Check for software malfunction
Check if the problem occurring to other devices as well
Call the provider for check up/maintenance
those are from the top of my head .. in a real-life problem it might not take all these steps, or might take more. no one knows