Troubleshooting Network Issues

Overview

This article provides step-by-step instructions to help employees resolve common network connectivity problems. Follow these guidelines to quickly troubleshoot issues before contacting the IT Helpdesk.

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Common Network Issues

• Unable to connect to Wi-Fi
• Slow internet speed
• Intermittent disconnects
• No network access on company devices

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Before You Proceed

• Ensure your device is powered on and fully charged or plugged in.
• Confirm you are within range of the company’s Wi-Fi network or connected via Ethernet cable.
• Make sure airplane mode is turned off.

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Step-by-Step Troubleshooting Guide

1. Verify Network Connection

• Wi-Fi:
  • Click the Wi-Fi icon on your taskbar/menu bar.
  • Ensure you are connected to the company’s network (SSID: CompanyWiFi).
  • If not connected, select CompanyWiFi and enter your credentials.
• Ethernet:
  • Confirm the Ethernet cable is securely plugged into your device and the wall port.

2. Restart Network Devices

• Restart your computer, laptop, or tablet.
• If possible, restart your Wi-Fi router or modem by unplugging it for 10 seconds and plugging it back in. (Contact IT if you do not have access to these devices.)

3. Run Network Troubleshooter (Windows)

• Go to Settings > Network & Internet > Status.
• Click Network troubleshooter and follow the prompts.

4. Clear DNS Cache (Advanced)

• Open Command Prompt (Windows) or Terminal (Mac).
• Type the following command and press Enter:
  • Windows: ipconfig /flushdns
  • Mac: sudo killall -HUP mDNSResponder
• Restart your device.

5. Check VPN Settings

• Disconnect and reconnect to the company VPN if you use one.
• Ensure you have the latest VPN client installed.

6. Verify Firewall and Security Software

• Temporarily disable firewall or antivirus software to check if they are blocking the connection. (Contact IT before making changes.)

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When to Contact IT Support

Please reach out to the IT Helpdesk if:

• The above steps do not resolve your issue.
• You see error messages such as "Limited Connectivity" or "No Internet Access."
• Your device hardware (network card, cables) may be faulty.

Contact Information:

• Email: [e-mail]
• Phone: [phone]
• Support Portal: https://support.company.com

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Additional Resources

• Wi-Fi Setup Guide for Company Devices
• How to Use VPN on Your Device
• Security Best Practices for Network Access

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This article is maintained by the IT Department and reviewed quarterly.

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Let me know if you want it tailored for a specific platform or more detailed in any section!