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Windows 7: "Limited access" WiFi connectivity after virus removal, registry edit.

05 Sep 2011   #1

Windows 7
 
 
"Limited access" WiFi connectivity after virus removal, registry edit.

I'm trying to fix my girlfriend's Windows 7 laptop after she had a virus/malware infection. I'm pretty sure we've successfully cleared the virus (an updated/full scan with Malwarebyte's Anti-Malware in safe mode comes up clean). However, we have had no Internet access since the infection. The wireless router/connection itself is fine (I connect to it daily with my laptop, as I am to write this post) but her laptop won't connect to it, we can't browse any web pages.

I may have made the problem worse in trying to resolve it. I stupidly followed the advice on a forum for some registry edits for Windows XP--deleting WinSock and WinSock2 from the registry and then restarting the computer in hopes they'd re-register themselves. Unfortunately, WinSock2 re-appeared but WinSock did not. I'm wondering if this has created a new problem (or compounded the problems we were already having).

In diagnostics, we currently get the following report: "Wireless Network Connection doesn't have a valid IP configuration." I just ran an ipconfig in the command prompt and got the following results:

Windows IP Configuration

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

Ethernet adapter Local Area Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) Centrino(R) WiMAX 6250
Physical Address. . . . . . . . . : 00-1D-E1-35-7E-FC
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) Centrino(R) Advanced-N 6250 AGN
Physical Address. . . . . . . . . : 00-23-15-32-CF-5C
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::4cb2:bef4:b4d1:11e8%11(Preferred)
Autoconfiguration IPv4 Address. . : 169.254.17.232(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . :
DHCPv6 IAID . . . . . . . . . . . : 218112789
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-13-BF-4B-D0-B8-AC-6F-76-B7-B

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

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : myhome.westell.com
Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
Physical Address. . . . . . . . . : B8-AC-6F-76-B7-BD
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{C70FEF6B-B726-46CB-890A-68339EAB6125}:

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


She no longer has/can't find her original Windows install disc. So with that in mind, any ideas for troubleshooting/resolving this? We'd both really appreciate it.


My System SpecsSystem Spec
.

06 Sep 2011   #2

Windows 7
 
 

Anybody? Is this kinda "you screwed yourself, you're on your own buddy" territory?
My System SpecsSystem Spec
06 Sep 2011   #3

Windows 7 Ultimate SP1 64-Bit
 
 

Quote   Quote: Originally Posted by nonlocal View Post
Anybody? Is this kinda "you screwed yourself, you're on your own buddy" territory?
I hope not.


You could try a system restore to a point before you edited the registry, which should at least restore the registry.

As your partner doesn't have a Windows 7 DVD you can create a repair disc, which you can then boot from to get into the recovery environment where you'll have several options to choose from.

System Repair Disc - Create

You could also go into the Network & Sharing Center, click Change Adapter Settings then right-click the wireless adapter and choose Diagnose.
My System SpecsSystem Spec
.


07 Sep 2011   #4

Windows 7 Ultimate X64
 
 

you can also try during boot up press F8 and select last known good configuration.

Cheers !!
My System SpecsSystem Spec
09 Sep 2011   #5

Windows 7
 
 

Sorry, haven't had much time to troubleshoot/respond back. We finally, after some trial and error with other solutions, used system restore to go back to a restore point. It solved the problem. I appreciate the suggestions/help, thank you.
My System SpecsSystem Spec
Reply

 "Limited access" WiFi connectivity after virus removal, registry edit.




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