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LAN adaptor dropping out

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  #1 (permalink)  
Old 12-21-2007
Alastair
 

Posts: n/a
LAN adaptor dropping out
Very new Dell optiplex 755 with Vista Biz + Intel 82566DM-2 Gigabit adaptor
to 100 local home LAN and internet connection. Frequent loss of LAN
connection > red cross > says network cable unplugged (but not). Switched
cables repeatley with old XP PC to eliminate this.

Tested card - OK (this might clear the problem sometimes).

Found a reference to Windows powermanagement but not able to try dissabling
as my Power Management tab differs.

Did not notice untill after I ran Transfer Files & Settings.

Help

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  #2 (permalink)  
Old 12-21-2007
Alastair
 

Posts: n/a
RE: LAN adaptor dropping out
Looking at earlier posts suggests that the folowing info may help ...

Windows IP Configuration

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

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) 82566DM-2 Gigabit Network
Connection
Physical Address. . . . . . . . . : 00-1E-4F-9B-1C-B8
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 6:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 02-00-54-55-4E-01
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 7:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . :
isatap.{77364969-DF87-49E4-AB94-E36C10AF1614}
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Default Gateway . . . . . . . . . :
NetBIOS over Tcpip. . . . . . . . : Disabled


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  #3 (permalink)  
Old 12-21-2007
Robert L. \(MS-MVP\)
 

Posts: n/a
Re: LAN adaptor dropping out
The DHCP doesn't assign IP to the computer. Have checked if there is a new
firmware for the router and new driver for NIC? Or check this link.

Vista: DHCP FailsAlso remember that originally on vista i was able to get a
dhcp address. only one of the updates? broke it. Now this morning when i
logged in, i got a dhcp ...
http://www.chicagotech.net/netforums...opic.php?t=594


--
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com


"Alastair" <Alastair@discussions.microsoft.com> wrote in message
news:274E8986-C6E2-4D39-A306-58D0792AEC36@microsoft.com...
> Looking at earlier posts suggests that the folowing info may help ...
>
> Windows IP Configuration
>
> Host Name . . . . . . . . . . . . : NewOne
> Primary Dns Suffix . . . . . . . :
> Node Type . . . . . . . . . . . . : Hybrid
> IP Routing Enabled. . . . . . . . : No
> WINS Proxy Enabled. . . . . . . . : No
>
> Ethernet adapter Local Area Connection:
>
> Media State . . . . . . . . . . . : Media disconnected
> Connection-specific DNS Suffix . :
> Description . . . . . . . . . . . : Intel(R) 82566DM-2 Gigabit Network
> Connection
> Physical Address. . . . . . . . . : 00-1E-4F-9B-1C-B8
> DHCP Enabled. . . . . . . . . . . : Yes
> Autoconfiguration Enabled . . . . : Yes
>
> Tunnel adapter Local Area Connection* 6:
>
> Media State . . . . . . . . . . . : Media disconnected
> Connection-specific DNS Suffix . :
> Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
> Physical Address. . . . . . . . . : 02-00-54-55-4E-01
> DHCP Enabled. . . . . . . . . . . : No
> Autoconfiguration Enabled . . . . : Yes
>
> Tunnel adapter Local Area Connection* 7:
>
> Connection-specific DNS Suffix . :
> Description . . . . . . . . . . . :
> isatap.{77364969-DF87-49E4-AB94-E36C10AF1614}
> Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
> DHCP Enabled. . . . . . . . . . . : No
> Autoconfiguration Enabled . . . . : Yes
> Default Gateway . . . . . . . . . :
> NetBIOS over Tcpip. . . . . . . . : Disabled
>
>


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  #4 (permalink)  
Old 12-21-2007
Alastair
 

Posts: n/a
Re: LAN adaptor dropping out
> The DHCP doesn't assign IP to the computer. Have checked if there is a new
> firmware for the router and new driver for NIC? Or check this link.



NIC on latest drive as is the Netgear DG814 router - but this is not shown
as Vista compatable. Just ordered a DG834 (which is). Hopefully this will
help.

Thanks!

> Vista: DHCP FailsAlso remember that originally on vista i was able to get a
> dhcp address. only one of the updates? broke it. Now this morning when i
> logged in, i got a dhcp ...
> http://www.chicagotech.net/netforums...opic.php?t=594


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  #5 (permalink)  
Old 01-02-2008
Arjan
 

Posts: n/a
RE: LAN adaptor dropping out
I am currently experiencing the same problem. So far nothing I have done has
helped. This is the exact same machine and network card and Vista Ultimate.
Currently working with a Linksys SD208 switch, which according to their site
is vista compabitle.

Only similar occurance I have been able to track down on the internet was
someone replacing their NIC to fix the problem. Did your replacing the router
work?


"Alastair" wrote:

> Very new Dell optiplex 755 with Vista Biz + Intel 82566DM-2 Gigabit adaptor
> to 100 local home LAN and internet connection. Frequent loss of LAN
> connection > red cross > says network cable unplugged (but not). Switched
> cables repeatley with old XP PC to eliminate this.
>
> Tested card - OK (this might clear the problem sometimes).
>
> Found a reference to Windows powermanagement but not able to try dissabling
> as my Power Management tab differs.
>
> Did not notice untill after I ran Transfer Files & Settings.
>
> Help
>

Reply With Quote
  #6 (permalink)  
Old 01-02-2008
Arjan
 

Posts: n/a
RE: LAN adaptor dropping out
I am currently experiencing the same problem. So far nothing I have done has
helped. This is the exact same machine and network card and Vista Ultimate.
Currently working with a Linksys SD208 switch, which according to their site
is vista compabitle.

Only similar occurance I have been able to track down on the internet was
someone replacing their NIC to fix the problem. Did your replacing the router
work?


"Alastair" wrote:

> Very new Dell optiplex 755 with Vista Biz + Intel 82566DM-2 Gigabit adaptor
> to 100 local home LAN and internet connection. Frequent loss of LAN
> connection > red cross > says network cable unplugged (but not). Switched
> cables repeatley with old XP PC to eliminate this.
>
> Tested card - OK (this might clear the problem sometimes).
>
> Found a reference to Windows powermanagement but not able to try dissabling
> as my Power Management tab differs.
>
> Did not notice untill after I ran Transfer Files & Settings.
>
> Help
>

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  #7 (permalink)  
Old 02-22-2008
mick
 

Posts: n/a
Re: LAN adaptor dropping out

I've got exactly the same problem - an Optiplex 755, but on XP. Intel(R)
82566DM-2 Gigabit Ethernet adapter keeps dropping out (seemingly
disconnecting then reconnecting a second later). The box in question is
connected to an Allied Telesyn At-9000 switch. Logging the following in
the Event Log:

Event Type: Information
Event Source: e1express
Event Category: None
Event ID: 32
Date: 22/02/2008
Time: 1:18:55 p.m.
User: N/A
Computer: ASSET153
Description:
Intel(R) 82566DM-2 Gigabit Network Connection Link has been
established: 1000Mbps.

Event Type: Information
Event Source: Tcpip
Event Category: None
Event ID: 4201
Date: 22/02/2008
Time: 1:18:55 p.m.
User: N/A
Computer: ASSET153
Description:
The system detected that network adapter
\DEVICE\TCPIP_{4A5B801A-6493-44B7-B698-13893FFF4304} was connected to
the network, and has initiated normal operation over the network
adapter.



Any help much appreciated. We have a few 755's and only one is
exhibiting these problems..


--
mick
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  #8 (permalink)  
Old 02-29-2008
microtom
 

Posts: n/a
Re: LAN adaptor dropping out

Same thing here with an Optiplex 755. Dell said I should update the BIOS
and disable the Intel State Manager (Ctr+P when computer starts up).
I'll try it on Monday


--
microtom
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  #9 (permalink)  
Old 05-06-2008
TonberryKing
 

Posts: n/a
Re: LAN adaptor dropping out

I am on XP and I have the same problem with the "network cable unplugged
Intel 82566 etc. etc." I am on dial up internet at the moment and for
some reason it is running very slowly, only connecting a 28kbs maximum.
I am unable to download certain pagfes because they are timing out
before they finish loading. I have read everyones posts on this matter
but am unable to understand a solution. Would this problem with the
"network cable" be causing my problem? and has anyone found how to fix
the problem yet? otherwise I might return the computer to Acer, its
still under warranty I only bought it 2 weeks ago.
p.s. if anyone does find how to fix it, and they post an answer, could
they please send me an email at martin_jjackson@hotmail.com to let me
know to check this site. thanks


--
TonberryKing
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View this thread: http://forums.techarena.in/showthread.php?t=875739

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  #10 (permalink)  
Old 05-06-2008
microtom
 

Posts: n/a
Re: LAN adaptor dropping out

The LAN BIOS Settings did the trick for me...


--
microtom
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