Ethernet cutting out randomly "No valid IP Adress"

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Fourtyfive_

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Jan 10, 2016
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I have been having this issue for a few months now and have tried every fix I can find posted.

Internet is working just fine, then randomly will cut out at least once a day. When I run the network troubleshoot, it reboots my ethernet adapter which fixes the problem until the next day. The troubleshoot says "Ethernet does not have a Valid IP configuration". This PC is the only one having the issue out of 6 other PCs in the house using the same internet.

Windows 10
MSI SLI Plus MoBo Intel ethernet adapter. Hardwire not WiFi.

I have searched many of different forums and have tried rebooting my modem( just replaced modem still same issue), updated router firmware, updated ethernet driver, tried DNS flush and just about ever other "fix" I have found.

One thing that I have noticed about others with this problem is that they tend to not be able to fix it with the troubleshooting tool where mine fixes it every time.
 
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Ralston18

Ralston18

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Oct 11, 2014
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Are you sure that none of the other devices are using the same IP address?

Or that there is some limit on the number of devices allowed on the network (e.g., 5). Some conflict within the IP addressing scheme.

Who manages your network router? Router make and model? Check the router's logs. If available and enabled, the logs may provide some clue for you.

Run "ipconfig /all" from the Command Prompt and post the results.


 
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Fourtyfive_

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Jan 10, 2016
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4,510
Ive changed my IP address to a static address. Ive since tried setting a Reserved IP. still no luck. The max number on my wifi router is 32(well more than we have) and 4 ethernet ports.

Windows IP Configuration

Host Name . . . . . . . . . . . . : FourtyFive-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Ethernet:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) Ethernet Connection (2) I218-V
Physical Address. . . . . . . . . : D8-CB-8A-18-B3-A5
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::89a:6631:1568:c002%4(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.45(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Tuesday, April 17, 2018 8:58:36 PM
Lease Expires . . . . . . . . . . : Wednesday, April 18, 2018 8:58:36 PM
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 47762314
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1E-6F-FA-A3-D8-CB-8A-18-B3-A5
DNS Servers . . . . . . . . . . . : 192.168.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter Teredo Tunneling Pseudo-Interface:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:3c4f:3a5d:d0d5:9e6a(Preferred)
Link-local IPv6 Address . . . . . : fe80::3c4f:3a5d:d0d5:9e6a%12(Preferred)
Default Gateway . . . . . . . . . : ::
DHCPv6 IAID . . . . . . . . . . . : 67108864
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1E-6F-FA-A3-D8-CB-8A-18-B3-A5
NetBIOS over Tcpip. . . . . . . . : Disabled
 
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Ralston18

Ralston18

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Oct 11, 2014
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Thank you. Not seeing anything astray in "ipconfig /all"

If your ISP does not provide IPv6 you could disable that. May or may not be relevant but worth a try.

Reading back: Have you tried other known working Ethernet cable(s)?

Swap out cables with known working Ethernet cables - perhaps from one of the other 6 computers.

Any wall jacks or patch panels along the connection path from router to FourtyFive-PC?

Could be a loose wire - not fully punched into place. Does not take much to cause intermittent problems.


 
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Fourtyfive_

Reputable
Jan 10, 2016
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4,510
I have not tried switching cables just yet, but was on my list of to do. Just trying one thing at a time, don't like doing a lot at once and not knowing what the exact problem was. As for changing the network card, the one im currently using is the built in mobo ethernet, but if i cant get a fix I might just break down and buy and aftermarket ethernet PCI card. Also the PC is plugged directly into the router. I have one other PC on powerline and it works just fine.

Thank you for the quick replies. If i figure out a fix I will post back. Im gonna smack myself though if it turns out to be the cable and I didnt do that first...
 
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Fourtyfive_

Reputable
Jan 10, 2016
4
0
4,510
Changed the ethernet cable as well as the router port I was plugged into with a PC that is working fine and the issue still persists. Guess I will have to break down and go buy an ethernet adapter...
 
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