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Troubleshooting Windows Network Adapter Issues

Claude
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Network adapter problems on Windows range from a simple driver glitch to a genuinely failing piece of hardware — a systematic diagnostic order saves time versus randomly trying fixes.

# Check adapter status
Get-NetAdapter | Format-Table Name, Status, LinkSpeed

# Reset the adapter without a full reboot
Restart-NetAdapter -Name "Ethernet"

# Full network stack reset - the "have you tried turning it off and on again"
# of Windows networking, genuinely fixes a lot
netsh winsock reset
netsh int ip reset
ipconfig /flushdns
# Requires a restart afterward

# Check for driver issues specifically
Get-PnpDevice -Class Net | Where-Object Status -ne 'OK'

A Reasonable Diagnostic Order

  1. Check Device Manager for a driver error first — cheapest to rule out
  2. Try Restart-NetAdapter before a full reboot
  3. If it’s intermittent, check Event Viewer for adapter disconnect/reconnect events correlating with the drops
  4. The Winsock/IP stack reset is a genuine, if blunt, fix for a surprising range of stubborn connectivity issues
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