Question Wired network slower than WiFi

Jan 28, 2020
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Asus Stix Z390 mobo with a Intel 1219v2 gigabit Ethernet adapter that is only connecting at 90 meg. Xfinity 600 meg service. Other wired PCs connect with expected speeds. Tried updating drivers, reset network, reset modem, different cables, nothing has helped.
Also note I’ve gone through the advanced settings for the adapter with suggestions others have posted.
I’ve seen a few of these posts from others either the same adapter...could this have been cause by a windows update?
 
If you look at the status on the nic does it say it is connected at 100m or gigabit.

You need to leave the setting on auto. If you set the speed only on the PC the router will get confused since it only runs in auto.

If the port negotiates to 100m it almost has to be a cable issue.....at least you hope it is. The only other thing it can be is a bad port which you can't replace. The speed negotiation is mostly a hardware function so drivers will not be the issue.

Cables are really strange they can work on some machine and not on others. All depends on how well a device can tolerate a cable that is slightly out of spec. There is no cost effective way for home users to see if cable actually meets standards.

Note there is lot and lots of fake cable on the market. Cables must be pure copper (no cca) and must have wire size 22-24. If the cable you are using now is one of these fake cables it is very common for it to work on some machines and not others.

Unless the able is very long or is built into the wall it is going to be cheaper to just buy a new one. You could try to reterminate the cable but it can be tricky until you have done a bunch.
 
Jan 28, 2020
6
0
10
0
If you look at the status on the nic does it say it is connected at 100m or gigabit.

You need to leave the setting on auto. If you set the speed only on the PC the router will get confused since it only runs in auto.

If the port negotiates to 100m it almost has to be a cable issue.....at least you hope it is. The only other thing it can be is a bad port which you can't replace. The speed negotiation is mostly a hardware function so drivers will not be the issue.

Cables are really strange they can work on some machine and not on others. All depends on how well a device can tolerate a cable that is slightly out of spec. There is no cost effective way for home users to see if cable actually meets standards.

Note there is lot and lots of fake cable on the market. Cables must be pure copper (no cca) and must have wire size 22-24. If the cable you are using now is one of these fake cables it is very common for it to work on some machines and not others.

Unless the able is very long or is built into the wall it is going to be cheaper to just buy a new one. You could try to reterminate the cable but it can be tricky until you have done a bunch.
Cable tested on two other PCs
Status reports link speed as 1000/1000
 

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