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Windows 7: Local Area Connection doesn't have a valid IP configuration


16 Mar 2012   #1

Windows 7 Ultimate
 
 
Local Area Connection doesn't have a valid IP configuration

Hi. At home i only have a wifi internet connection and i dont have a reciever for my desktop so i was using my laptop to share the internet connection through a Lan cable
But today all of a sudden my desktop cant connect to the internet anymore because
"Local Area Connection doesn't have a valid IP configuration"
I have tried all the solutions i could google but nothing helped
Heres the ipconfig /all from my desktop:

Windows IP Configuration

Host Name . . . . . . . . . . . . : PETTY-Home
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Mixed
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Marvell Yukon 88E8056 PCI-E Gigabit Ethernet Controller
Physical Address. . . . . . . . . : 00-1E-8C-B5-45-D6
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::2045:1c95:20ce:473f%15(Preferred)
Autoconfiguration IPv4 Address. . : 169.254.71.63(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . :
DHCPv6 IAID . . . . . . . . . . . : 251666060
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-13-E3-B7-03-00-1E-8C-B5-45-D6
DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
fec0:0:0:ffff::2%1
fec0:0:0:ffff::3%1
NetBIOS over Tcpip. . . . . . . . : Enabled


And here from my laptop:

Windows IP Configuration

Host Name . . . . . . . . . . . . : Petty-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 . . . . . . . . . . . : Atheros AR8121/AR8113/AR8114 PCI-E Ethernet Controller
Physical Address. . . . . . . . . : 00-1E-68-EB-4C-6F
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::45a4:ea22:846c:9013%18(Preferred)
Autoconfiguration IPv4 Address. . : 169.254.144.19(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . :
DHCPv6 IAID . . . . . . . . . . . : 301997672
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-97-23-96-00-1E-68-EB-4C-6F
DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
fec0:0:0:ffff::2%1
fec0:0:0:ffff::3%1
NetBIOS over Tcpip. . . . . . . . : Enabled

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Atheros AR5B91 Wireless Network Adapter
Physical Address. . . . . . . . . : 00-23-4D-59-07-C0
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::9941:2b20:8c75:6a1e%15(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.0.9(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : 17. marca 2012 2:22:51
Lease Expires . . . . . . . . . . : 17. marca 2012 14:22:51
Default Gateway . . . . . . . . . : 192.168.0.254
DHCP Server . . . . . . . . . . . : 192.168.0.254
DHCPv6 IAID . . . . . . . . . . . : 251667277
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-97-23-96-00-1E-68-EB-4C-6F
DNS Servers . . . . . . . . . . . : 87.244.194.90
217.119.113.245
NetBIOS over Tcpip. . . . . . . . : Enabled


I would greatly appreciate any insight you could offer into the matter
(btw im not sure if i did the static IP solution right because How to Assign a Static IP Address in XP, Vista, or Windows 7 - How-To Geek just shows the "how to" but no the rules that govern the process so i might have screwed up)

My System SpecsSystem Spec
.

16 Mar 2012   #2
aem

Windows 7 Ultimate 64Bit
 
 

How are you setting up your laptop to share internet with the desktop? Ad-hoc? If so it would only be a temporary setup and more than likely your desktop will drop off when you restart laptop/desktop.

From the ipconfig, you're desktop's ipv4 is 169.254.71.63(Preferred). No good!
Desktop also does not see gateway.

Try this on your desktop ipv4 setting (set up manual IP not dhcp):

Address===> 192.168.0.10
Mask====> 255.255.255.0
Gateway=====> 192.168.0.254
DNS =====> 87.244.194.90
217.119.113.245

(not sure why the gateway has that ip but if your laptop works should be good)
My System SpecsSystem Spec
17 Mar 2012   #3

Windows 7 Pro with SP1 32bit
 
 

You may also try the Google ipv4 Addresses. They are as under.

I P Address 192.168.0.10
Subnet Mask 255.255.255.0
Default Gateway 192.168.0.254

Preferred DNS 8.8.8.8
Alternate DNS 8.8.4.4

Alternately you may consult your ISP for these addresses but use the Google provided PDNS and ADNS instead of the ones provided by your ISP
My System SpecsSystem Spec
.


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 Local Area Connection doesn't have a valid IP configuration




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