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Ethernet card test

Steven Maguire 331 Reputation points
2023-10-15T15:18:11.1833333+00:00

Is there a program or device I can get to put an ethernet card through a grueling test. I've been through heck trying to determine what is doing this. When the pc boots to the lock screen it shows the symbol indicating it's connected. when it finishes booting, "sometimes," it goes out and switches to WIFI. It either stays there or switches back to a different Ethernet even though I only have 1, too weird!

I've learned that if I use the following in the cmd windows it will stabilize to an ethernet connection.

ype netsh winsock reset and select Enter.

Type netsh int ip reset and select Enter.

Type ipconfig /release and select Enter.

Type ipconfig /renew and select Enter.

Type ipconfig /flushdns and select Enter.

Any help or ideas would be appreciated.

Windows 10
Windows 10
A Microsoft operating system that runs on personal computers and tablets.
11,195 questions
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  1. Anonymous
    2023-10-15T15:20:54.2766667+00:00

    Check with the pc manufacturer. For example Dell has hardware testing built in to the firmware.

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  1. Steven Maguire 331 Reputation points
    2023-10-15T19:58:51.9333333+00:00

    Thanks Dave, that was the first thing I checked. it's built into the bios, "MyASUS System Diagnosis- Component Test." However, it only tests the WIFI side. Weird!