Diagnosing frequent wired network drop-outs on one computer

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Joe_Q_Smith

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Dec 22, 2015
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I have been having an annoying issue with my desktop computer's network connection, and am hoping some of the experts here can provide some advice.

Background info:


  • Computer is a home-built desktop machine
    AMD A10-5800K running on an MSI FM2-A5MA-P33 motherboard with 8GB RAM
    All drivers are up-to-date
    I am using the built-in Ethernet connection on the motherboard (wired connection)
    OS is Windows 10 Pro 64-bit
    Router is an ASUS RT-N66U

The problem:

I find that my desktop's network connection drops out sporadically, in "bursts". I can have hours or even days of trouble-free usage, followed by periods where network connectivity drops out for a few seconds at a time (as indicated by the red X over the network connection icon in Windows 10's system tray). The network drop-outs may happen 5-10 times (a few seconds out, then back on for 10-15 seconds, then a few seconds out, etc.) Eventually things settle down with a stable connection.

It seems to me (though I'm not 100% certain) that this phenomenon happens most often in the first 15-20 minutes after the computer has been turned on (from a power-down state).

I don't experience any similar connectivity issues with the other devices connected to my router (either wired devices like my NAS or WiFi devices like laptop computers, tablets, etc.)

I would be grateful for any assistance in figuring out what might be going on. Thanks.
 
Solution
Ralston18
With respect to the "red X" entry in the logs try right-clicking that entry for more details. Look for an error code or message

Also take a look at any preceding entries just before that entry. See if something else precipitated the connectivity loss. Some proces or service stopping or starting. Right click those entries as well.

Could be heat related - once things warm up some expansion takes place and a connection is "tighter".

Or some software application running in the background decides it is now time (after 15 - 20 minutes) to "phone home" or do some other thing for which that application is designed for.

Would favor heat related as the software application would probably keep trying and trying and there would be no...
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Ralston18

Ralston18

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Oct 11, 2014
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With respect to the "red X" entry in the logs try right-clicking that entry for more details. Look for an error code or message

Also take a look at any preceding entries just before that entry. See if something else precipitated the connectivity loss. Some proces or service stopping or starting. Right click those entries as well.

Could be heat related - once things warm up some expansion takes place and a connection is "tighter".

Or some software application running in the background decides it is now time (after 15 - 20 minutes) to "phone home" or do some other thing for which that application is designed for.

Would favor heat related as the software application would probably keep trying and trying and there would be no steadying down/stability thereafter.
 
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