Windows 7: Broadcom Netlik adapted assigning wrong IP

I have a problem which started appearing quite recently, namely, the wired internet adapter automatically sets my internal IP to 169.254.x.x and subnet to 255.255.0.0 instead of 192.168.x.x and subnet to 255.255.255.0 . The only workaround is setting my IPv4 manually.


I have a x79 extreme4-m motherboard with broadcom netlink ethernet adapter and the latest drivers installed. I'm using windows 7 ultimate 64 bit. Reinstalling the drivers didn't help.


This is NOT a problem with my router or its settings, as every other computer connects to the internet automatically just fine. The problem started occuring after i connected the PC to the schools network once.


My ipconfig /all:

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Users\Wezdor>ipconfig /all

Windows IP Configuration

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

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom NetLink (TM) Gigabit Ethernet
Physical Address. . . . . . . . . : BC-5F-F4-0E-83-0A
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::3113:5200:e21:b5c2%11(Preferred)
Autoconfiguration IPv4 Address. . : 169.254.181.194(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . :
DHCPv6 IAID . . . . . . . . . . . : 247226356
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-18-04-BE-AC-BC-5F-F4-0E-83-0A

DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
fec0:0:0:ffff::2%1
fec0:0:0:ffff::3%1
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter isatap.{54CBA65E-4F36-41BB-9732-8DB169170B8B}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Teredo Tunneling Pseudo-Interface:

Media State . . . . . . . . . . . : Media disconnected
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





And how it should look like:

C:\Users\Wezdor>ipconfig /all

Windows IP Configuration

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

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom NetLink (TM) Gigabit Ethernet
Physical Address. . . . . . . . . : BC-5F-F4-0E-83-0A
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::9ca4:b98d:e2b3:504f%11(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.64.111(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.64.1
DHCPv6 IAID . . . . . . . . . . . : 196894708
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-18-04-BE-AC-BC-5F-F4-0E-83-0A

DNS Servers . . . . . . . . . . . : 192.168.64.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter isatap.{65A7FD2D-E324-41F2-BD22-8E68BBC263A9}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

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. . . . . . . . . . . : 2001:0:5ef5:79fb:105c:20c9:a298:4408(Pref
erred)
Link-local IPv6 Address . . . . . : fe80::105c:20c9:a298:4408%13(Preferred)
Default Gateway . . . . . . . . . : ::
NetBIOS over Tcpip. . . . . . . . : Disabled




My question is: How can i get the adapter to automatically assign me the correct IP?

And help would be appreciated as this is quite annoying.

The address in the first one is just Msoft's default IP when it can't pick up a normal IP.

It's not assigning you the wrong IP, it's showing that you aren't picking a valid IP from the router.

It may help to reset winsock or the TCP/IP stack.

Type the following two command into an elevated command prompt one at a time, hit enter after each one then reboot your machine.

netsh winsock reset catalog (reset winsock entries)

netsh int ip reset reset.log hit (reset TCP/IP stack)

Ok, i did that, but it doesn't appear to have changed anything. I still get the identical problem.

Usually when I see this it means the router needs to be reset or the Ethernet cable is bad.

As it stands DHCP from the router isn't working or it was somehow disabled in the IPv4 settings?

Are the other machines connected to this router wired or wireless?

As far as i can tell, every other computer in the house is getting connected to the internet properly. They all have the IP set be acquired automatically and are connected wired. I started getting this problem only after i connected this computer to a different network, namely my school's network. From that point on i had to set the IP manually to get the internet to work. So i don't think it's the router's problem, rather the windows' or the ethernet adapters'.

How would i go about checking if DHPC is disabled in IPv4?

You can check if DHCP is enabled at the same place you typed in the static IP. Right click the adaptor, go to properties, go down to IPv4, click the properties button and make sure that DHCP is enabled.

If DHCP isn't working then you should check in Windows services "run box type services.msc" to make sure that DHCP client is enabled along with the other networking services.

I can't find the option to enable or disable DHCP in IPv4, though it is running under services.msc.

It's the part that says obtain IP address automatically which means DHCP assigned IP's.

Ah, that. Enabling that is what causes the problem in the first place. I need to set a manual IP address to get internet connection.

Despite the fact that other machines can connect I'd have to advise you to reset the router or just use a static IP.

I see no other reason for this problem to occur.