What is NETIO-ERROR?
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.
Common Causes
- Outdated or incompatible network driver
- Defective network interface card (NIC)
- Damaged ethernet cable or faulty port
Step-by-Step Fix Guide
-
1
Update the network driver
As a first move, Update the network driver handles the most common scenario behind NETIO-ERROR.
-
2
Replace cable
If it comes back, the next steps in the sequence are there specifically for atypical network instability cases.
-
3
Check the NIC in device manager
"Check the NIC in device manager" covers a less common but documented cause of NETIO-ERROR.
Commands & Diagnostics
netsh int ip reset
ipconfig /flushdns
Frequently Asked Questions
The leading cause of NETIO-ERROR is outdated or incompatible network driver, though defective network interface card (NIC) and damaged ethernet cable or faulty port also show up in our reports.
"Update the network driver" clears up most NETIO-ERROR reports by itself. The remaining steps above cover what's left.
As a medium-severity issue, NETIO-ERROR is more of a stability annoyance than a hardware risk — the steps above should clear it up.
In most cases, yes — the guide above resolves NETIO-ERROR without a clean install. Treat a reinstall as the last resort, not the first move.
Still Need Help?
Search our full database of 535+ documented PC errors for more solutions and step-by-step repair guides.
Search Error Database