Network Troubleshooting

Common network issues and how to resolve them

Before You Begin

Always start with the basics: check physical connections, restart your devices, and verify your network settings before diving into advanced troubleshooting.

Common Connection Issues

No Internet Connection

Check router power and connections
Verify Wi-Fi is enabled on your device
Try connecting via ethernet cable
Contact your ISP if issues persist

Slow Connection

Check for background downloads
Run a speed test to verify speeds
Move closer to the router
Consider upgrading your plan

Intermittent Connection

Check for interference sources
Update router firmware
Change Wi-Fi channel
Consider a Wi-Fi extender

Advanced Diagnostics

Network Commands

ipconfig - View IP configuration

ping - Test connection to a server

tracert - Trace route to destination

netstat - View network statistics

DNS Issues

Clear DNS cache
Change DNS servers
Check for malware
Verify host file entries

Security Checks

Scan for malware
Check firewall settings
Review connected devices
Update security software

Performance Optimization

Router Settings

Update firmware regularly
Optimize channel selection
Enable QoS features
Secure your network
Position router correctly

Device Optimization

Update network drivers
Clear browser cache
Disable background apps
Update operating system
Check for malware

Network Management

Monitor bandwidth usage
Implement traffic shaping
Set up guest networks
Regular speed tests
Document network changes

Maintenance Schedule

Weekly Tasks

Check connected devices
Monitor network usage
Review security logs
Perform speed tests

Monthly Tasks

Update firmware
Check for hardware issues
Review network settings
Update documentation

Professional Help

When to Call an Expert

Persistent connectivity issues
Hardware failures
Security breaches
Network expansion needs

Preparation

Document all troubleshooting steps
Gather error messages
List affected devices
Prepare network diagrams