Network · medium

How to fixNETIO-ERROR

Network I/O Error

What this error means

Network I/O Error (NETIO-ERROR) is a medium-severity fault affecting the network adapter. A network driver or hardware caused an I/O communication error. It's also often linked to damaged ethernet cable or faulty port. Work through the steps below in order.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 3 complete
01Update the network driver

Update the network driver.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Replace cable

Replace cable.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Check the NIC in device manager

Check the NIC in device manager.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • Outdated or incompatible network driver
  • Defective network interface card (NIC)
  • Damaged ethernet cable or faulty port