Network Troubleshooting

This section of NathanITKB contains troubleshooting guides for common network problems. Select a topic below for step-by-step instructions to diagnose and resolve the issue

Common Network Issues

No Internet Connection — Steps to diagnose a complete loss of internet access.

Slow Internet Connection — Fixes for internet speeds slower than expected.

Wi-Fi Not Connecting — Troubleshooting for devices that won't connect to Wi-Fi.

Limited or No Network Access — Steps to resolve restricted or unavailable network access.

Network Printer Not Accessible — Fixes for printers that can't be reached over the network.

DNS Server Not Responding — Troubleshooting for DNS resolution failures.

IP Address Conflict — Steps to resolve duplicate IP address errors.

VPN Connection Problems — Fixes for VPN connections that fail or drop.

Network Drive Not Accessible — Troubleshooting for shared drives that won't connect.

Network Cable Unplugged — Steps to diagnose wired connection failures.

Wi-Fi Keeps Disconnecting — Troubleshooting for an unstable wireless connection.

Router Not Working — Steps to diagnose a router that won't power on or respond.

Modem Not Connecting to ISP — Fixes for a modem that can't establish a connection.

Network Adapter Not Detected — Troubleshooting for missing or disabled network adapters.

Firewall Blocking Network Access — Steps to resolve firewall-related connectivity issues.

Wrong IP Address Assigned (APIPA / 169.254.x.x) — Fixes for automatic private IP addressing errors.

Cannot Access Shared Files on Network — Troubleshooting for file-sharing permission or visibility issues.

Bluetooth Not Connecting — Steps to resolve Bluetooth pairing and connection failures.

Network Switch Not Working — Troubleshooting for a switch with no port activity.

Wireless Access Point Not Broadcasting — Fixes for an access point that isn't visible to devices.

High Network Latency or Lag — Steps to diagnose and reduce network delay.

Unable to Connect to Company VPN Remotely — Troubleshooting for remote VPN access failures.

Network Printer Prints from Some Devices but Not Others — Fixes for inconsistent network printer access.

Guest Wi-Fi Network Not Working — Steps to resolve issues with a guest wireless network.

Ethernet Port Not Working — Troubleshooting for a non-functional wired network port.

Network Asset Information

If the issue involves network equipment, verify the affected device in the IT Asset Management System.

Check:

• Asset ID

• Device name

• Device type

• Brand and model

• Serial number

• Location

• Maintenance history

Examples of network assets: Routers · Switches · Wireless Access Points · Firewalls.

Need Further Assistance?

If the network issue cannot be resolved using the troubleshooting steps, submit a support request through the IT Help Desk Ticketing System.

When submitting the ticket, include:

• Location

• Device affected

• Description of the network problem

• Error message, if available

• Steps already attempted