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Local Area Connection on and off

I have an HP laptop running XP which is attached to a docking station when I'm at the office.  There is a network cable attached to the docking station.  Never had any problem until recently.  Now I'm getting a message that says "Local Area Connection  a network cable is unplugged".  Of the three connections under the Network Connections the I1394 is OK, the wireless is not conncected (normal when I'm at the office) but the Local Area Connection is the one that says Connected and then Not Connected.  I've noticed no change in my email or internet accesibility.
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wgdudley
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wgdudley
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1 Solution
 
wgdudleyAuthor Commented:
NOTE: this comes on and off every few minutes.
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senadCommented:
Your adapters are in conflict with each other.
Your laptop is hooking the wireless while your cable is plugged in LAN.
You can use only one connection at the time.
So If you are on cable, switch off wireless.
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profjohan11Commented:
Hi,

I would agree with the previous comment, however anothing thing to look at maybe be your power management settings for your network card i.e. if the machine is unplugged it switches the network card of. If you go to device manager you can see if this is enabled on your network card.

Johan
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Iain MacMillanCommented:
you may want to also check you have the latest Ethernet and wireless drivers installed, disable the Firewire if you do not use this (we do this on most laptops), and finally get your network guys to check your switch port settings -- usually you can have things set to auto-neg on both ends, but your port on the docker seems to be in conflict.

try setting your network card speed/duplex to 100MB FULL and see what happens.  This can be done in the properties of the network card from the Device Manager or from the Network Connections window - click configure button for the device.  this might force it to settle, especially if it a Gigabit Ethernet card, that is struggling to link.
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houssam_balloutCommented:
had you try another cable?

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profjohan11Commented:
I think IianNix may be right, inconsistencies with net duplex speed will cause similar strange problems.

Johan
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PeteJThomasCommented:
I don't see a problem having your Wireless and your LAN connection on at the same time - Unless they have the same static IP, it won't make a difference and certainly shouldn't cause this problem (mine are always on together because I can't be bothered to turn wireless off when I'm in the office!).

And again, I would've thought a duplex mismatch would just potentially cause some dire transfer speeds, but not actually cause the adapter to keep disconnecting and reconnecting...

Having said that, no suggestion should be overlooked just because it's not especially likely - I would definitely advise installing a new adapter driver (even if it's an older one - Just ensure it's a different one!) and of course, definitely try another cable between the port replicator and the floor/wall point...

Feedback whatever you find if none of the suggestions made so far are helping! :)

Pete
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PeteJThomasCommented:
Oh and try disconnecting the laptop from the docking station, and take the network cable out the back of the docker and connect it to the laptop directly - Do you still see the same issue when 'bypassing' the docker?
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senadCommented:
houssam_ball& said try another cable....did you ?
some feedback needed or we might keep guessing to kingdom come ....
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wgdudleyAuthor Commented:
Folks,  Thanks for all of the help.  I  will be providing feedback as soon as I've had a chance to try some of these fixes.  I"ve been on this computer for an hour now and the problem has not come up.   I think I should wait until the problem starts happening before I test a fix otherwise it's not much of a test.

 As I mentioned I didn't have this problem until a few days ago so I'm trying to figure out what changed to create the problem.  FYI - I don't have any net work guys; in this office (5 people) I'm it.  Thanks again.  I will be in touch.
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