Yes generally your DNS server will be the same as your default gateway as your router acts as a DNS forwarder, when DHCP is working properly.Aren't these 2 numbers usually close/identical?
Good to hear that you have it working.it works!!
Also good to hear that you realize that this is not actually a solution but rather a work around.Hopefully this solution holds, though I'd still like to know what caused the problem in the first place...
, while leaving your IPv4 settings at "Obtain automatically"?Try this, type
ncpa.cpl
into the search or run box and hit enter
Select then right click the problem network adapter and choose properties
Click the "Configure" button near the top
Select the "Advanced" tab
In the left column (Property: ) select Link Speed and Duplex (might just say speed and duplex)
In the right column (Value: ) select the drop down arrow and choose
10Mbps Half Duplex
OK your way back out of there and reboot the computer.
It appears that you have dual adapter and they are identical, you may want to make the changes to both just to be safe, especially if you switch the cable back and forth from time to time.
See if that helps resolve the issue and post back with any updates.Open a command prompt and type
ipconfig /all
and hit enter
examine the information pertinent to the problem adapter, specifically the value called "Physical Address) write it down and remove the dashes / hyphens (-). That should leave you with a 12 digit hex value.
Now type
ncpa.cpl
into the search or run box and hit enter
Select then right click the problem network adapter and choose properties
Click the "Configure" button near the top
Select the "Advanced" tab
In the left column (Property: ) select Network Address
In the right column (Value: ) Select the radio button next to the text box that will allow you to enter your MAC address and enter the 12 digit hex value you have determine is correct above
OK your way back out of there and reboot the computer.
Good to hear that you have it working.
Also good to hear that you realize that this is not actually a solution but rather a work around.
Your initial problem was that you were unable to communicate with your network's DHCP server (likely the router) and as a result were getting an APIPA assignment of 169.254.nnn.nnn.
Did you try adjusting your speed and duplex as I suggested above, while leaving your IPv4 settings at "Obtain automatically"?
In some instances depending on your router and the firmware it is running it seems that sometimes albeit rarely the adapter drivers cannot successfully negotiate DHPC with some routers when left to "Auto Negotiate".
Additionally, again in some rare instances, when the MAC address is left at the default of "Not Present" some similar problems can occur. So you may want to try this;
See if that helps resolve the issue and post back with any updates.