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Windows 10/11 Troubleshooting Guide

1. No Network / Internet Access

  1. Check physical connection (cable/WiFi toggle)
  2. Run ipconfig - check for valid IP (not 169.254.x.x)
  3. Try ipconfig /release then ipconfig /renew
  4. Flush DNS: ipconfig /flushdns
  5. Restart the network adapter via Device Manager

2. Slow Performance

  1. Open Task Manager (Ctrl+Shift+Esc) - check CPU/Memory/Disk usage
  2. Disable unnecessary startup programs
  3. Check for pending Windows Updates
  4. Run Disk Cleanup

3. Application Won't Open / Crashes

  1. Restart the application, then the device
  2. Check for app updates
  3. Run the app as Administrator
  4. Check Event Viewer for error logs (Windows Logs → Application)

4. Printer Not Working

  1. Check printer is powered on and connected (USB/network)
  2. Restart the Print Spooler service (services.msc)
  3. Remove and re-add the printer
  4. Update/reinstall printer drivers

5. Login / Profile Issues

  1. Verify account isn't locked in Active Directory
  2. Check Caps Lock / keyboard layout
  3. Try logging in with a different account to isolate profile vs. system issue
  4. For corrupted profiles, may need to create a new local profile

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