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dell inspiron 6400 intel pro wireless 3945ABG card stopped working


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2 replies to this topic

#1 lcrx

lcrx

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Posted 30 January 2013 - 07:39 PM

Hello,

For some reason my card stopped working, I tried reinstalling the driver, fn + f2 (to activate my card from my keyboard), and a few others basic thing, nothing is showing up, where I am with other PC I can see at least 5 networks. my PC gets nothing,
im running vista 32bit
intel pro wireless 3945ABG
dell inspiron laptop 6400
I also tried a fixit microsoft tool for network, didnt work,
Im on the net now using wired cable from my router, and its ok but I need my wireless on the road
------------
I have uninstalled reinstalled the driver

I did a fresh format last week

I cant reset TCP IP. I get access denied, even in safe mode

I did use many different use for removal of malware on my pc. im using avg

chkdsk found no problems

*** I did try alot of things, anyone has any idea what can be done

Windows IP Configuration
Host Name . . . . . . . . . . . . : john-PCtop
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : Dog2
Wireless LAN adapter Wireless Network Connection:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel® PRO/Wireless 3945ABG Network Connection
Physical Address. . . . . . . . . : 00-00-00-00-00-00
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . : Dog2
Description . . . . . . . . . . . : Broadcom 440x 10/100 Integrated Controller
Physical Address. . . . . . . . . : 00-19-B9-5D-28-1A
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::f448:23ef:43d1:49f0%8(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.0.103(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Saturday, January 26, 2013 9:12:42 AM
Lease Expires . . . . . . . . . . : Sunday, January 27, 2013 9:12:41 AM
Default Gateway . . . . . . . . . : 192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DHCPv6 IAID . . . . . . . . . . . : 201333177
DNS Servers . . . . . . . . . . . : 192.168.0.1
NetBIOS over Tcpip. . . . . . . . : Enabled
Tunnel adapter Local Area Connection* 6:
Connection-specific DNS Suffix . : Dog2
Description . . . . . . . . . . . : isatap.Dog2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::5efe:192.168.0.103%10(Preferred)
Default Gateway . . . . . . . . . :
DNS Servers . . . . . . . . . . . : 192.168.0.1
NetBIOS over Tcpip. . . . . . . . : Disabled
Tunnel adapter Local Area Connection* 7:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 02-00-54-55-4E-01
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2001:0:9d38:6ab8:104b:2b80:3f57:ff98(Preferred)
Link-local IPv6 Address . . . . . : fe80::104b:2b80:3f57:ff98%11(Preferred)
Default Gateway . . . . . . . . . : ::
NetBIOS over Tcpip. . . . . . . . : Disabled
Tunnel adapter Local Area Connection* 9:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : isatap.{4A499FD0-4471-47F4-ADED-DD6DE1639BD8}
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Farbar Service Scanner Version: 16-01-2013
Ran by john (administrator) on 19-01-2013 at 11:02:52
Running from "C:\Users\john\Downloads"
Windows Vista ™ Home Premium Service Pack 2 (X86)
Boot Mode: Normal
****************************************************************

Internet Services:
============

Connection Status:
==============
Localhost is accessible.
LAN connected.
Attempt to access Google IP returned error. Google IP is offline
Google.com is accessible.
Yahoo IP is accessible.
Yahoo.com is accessible.


Windows Firewall:
=============

Firewall Disabled Policy:
==================


System Restore:
============

System Restore Disabled Policy:
========================


Security Center:
============

Windows Update:
============

Windows Autoupdate Disabled Policy:
============================


Windows Defender:
==============

Other Services:
==============


File Check:
========
C:\Windows\system32\nsisvc.dll => MD5 is legit
C:\Windows\system32\Drivers\nsiproxy.sys => MD5 is legit
C:\Windows\system32\dhcpcsvc.dll => MD5 is legit
C:\Windows\system32\Drivers\afd.sys => MD5 is legit
C:\Windows\system32\Drivers\tdx.sys => MD5 is legit
C:\Windows\system32\Drivers\tcpip.sys => MD5 is legit
C:\Windows\system32\dnsrslvr.dll => MD5 is legit
C:\Windows\system32\mpssvc.dll => MD5 is legit
C:\Windows\system32\bfe.dll => MD5 is legit
C:\Windows\system32\Drivers\mpsdrv.sys => MD5 is legit
C:\Windows\system32\SDRSVC.dll => MD5 is legit
C:\Windows\system32\vssvc.exe => MD5 is legit
C:\Windows\system32\wscsvc.dll => MD5 is legit
C:\Windows\system32\wbem\WMIsvc.dll => MD5 is legit
C:\Windows\system32\wuaueng.dll => MD5 is legit
C:\Windows\system32\qmgr.dll => MD5 is legit
C:\Windows\system32\es.dll => MD5 is legit
C:\Windows\system32\cryptsvc.dll => MD5 is legit
C:\Program Files\Windows Defender\MpSvc.dll => MD5 is legit
C:\Windows\system32\ipnathlp.dll => MD5 is legit
C:\Windows\system32\iphlpsvc.dll => MD5 is legit
C:\Windows\system32\svchost.exe => MD5 is legit
C:\Windows\system32\rpcss.dll => MD5 is legit


**** End of log ****

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#2 jhayz

jhayz

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Posted 01 February 2013 - 02:34 AM

Hello lcrx, as an immediate solution, a USB wifi adapter would give you back your wireless functions on the road.

Wireless LAN adapter Wireless Network Connection:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel® PRO/Wireless 3945ABG Network Connection
Physical Address. . . . . . . . . : 00-00-00-00-00-00

- The unique MAC address of the card is missing which might indicate it is a dead card.

Edited by jhayz, 02 February 2013 - 08:54 AM.

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#3 Sneakycyber

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Posted 01 February 2013 - 07:37 PM

As mentioned above the card could be dead, it could also be turned off by Windows. By default Windows is set to disable the WIFI when the wireless is not being used or during sleep,suspend,hibernate states. Some Wifi cards and Bio's revisions have difficulty Waking back up. When the card does not turn back on Windows can't find it, This is completely separate from the Wireless function switch on most laptops. The only fix I have had work is to remove all power to the laptop (including the Cmos battery, Power adapter, and main battery) and reset the bios. The instructions for removal of the cmos battery can be found on Dell's Website as well as the rest of the service manual. Once all power is removed hold the power button down for 5 seconds.While your under the keyboard you may want to try re-seating the Wireless card see Here for its removal. Replace the cmos "coin-cell" battery (now would be a good time to replace it with a new one) re-assemble the laptop and see if the wifi works.If the manual I linked to is not the correct one for your specific model you can find the correct one by going to suppport.dell.com and typing in your service tag number.

Edited by Sneakycyber, 01 February 2013 - 07:44 PM.

Chad Mockensturm 
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Certified CompTia Network +, A +




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