Why Is My Xfinity Internet Not Working?
If your Xfinity internet suddenly stopped working, it could be due to:
Local service outage
Loose cable connections
Modem/router glitch
Overloaded network
DNS issues
Firmware problems
Before calling support, try the fixes below.
Fix #1: Restart Your Modem and Router (Most Effective)
This solves nearly 60% of issues.
Steps:
Unplug modem and router.
Plug in modem first.
Wait until Online light is solid.
Plug router back in.
Fix #2: Check Xfinity Outage in Your Area
Visit:
Xfinity Status Center
Xfinity Mobile App
If there’s an outage, you must wait until it’s resolved.
Fix #3: Check All Cable Connections
Make sure:
Coax cable is tight
Ethernet cable not damaged
Power adapter working
Loose cables are common in US homes.
Fix #4: Check Modem Lights
Normally:
Power: Solid
Online: Solid
US/DS: Blinking during startup only
If Online light keeps blinking → connection issue.
Fix #5: Reset Your Xfinity Gateway
Factory reset:
Hold reset button 15 seconds.
Wait 5 minutes for reboot.
⚠️ This removes custom WiFi name/password.
Fix #6: Move Router to Better Location
Place it:
In center of home
Elevated position
Away from microwave, TV, walls
WiFi signal blockage is common in apartments.
Fix #7: Change DNS Settings (Improves Stability)
Use Google DNS:
Primary: 8.8.8.8
Secondary: 8.8.4.4
This fixes slow browsing issues.
Fix #8: Flush DNS (Windows Users)
Open Command Prompt → Type:
ipconfig /flushdns
Press Enter.
Fix #9: Update Router Firmware
Login to admin panel (192.168.1.1)
Check firmware update section.
Fix #10: Disconnect Extra Devices
Too many smart devices connected?
Try disconnecting:
Smart TVs
Gaming consoles
Unused phones
Fix #11: Run Speed Test
Use speedtest.net
Compare with your internet plan.
Fix #12: Contact Xfinity Support
If nothing works:
Use live chat
Schedule technician visit
FAQ Section (Very Important for Ranking)
Q1: Why is my Xfinity internet connected but not working?
Usually caused by outage, DNS issue, or modem glitch.
Q2: How long do Xfinity outages last?
Most outages are resolved within 2–6 hours.
Q3: Should I reset my Xfinity modem?
Yes, if restart doesn’t work.
Final Thoughts
Most Xfinity internet problems in the USA can be fixed at home within 10–15 minutes.
Try these steps before paying for a technician visit.