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Recurring network cable unplugged issue


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#1 Alpsoandso

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Posted 21 June 2012 - 03:01 PM

I have an interesting problem...

Recently I have been having trouble with one of my computers. As a result I have now re-installed windows XP 3 or 4 times since the beginning of the year, with the majority of those times being the last 2 months or so.

Internet connectivity stops working. I get a message that a network cable is disconnected. I cannot use the internet.
Strange because it is a dual booting system and my Linux partition has NO TROUBLE connecting.

After I re-install Windows XP everything works fine. Internet works, I can download, surf, email... I then go through the very lengthy time consuming process of re-installing software and registering licenses so the software can work (some packages make it impossible to just use a key phrase).

Sooner or later the internet stops working in XP. This happened again recently, when I boot to linux it works so I know it is not the hardware.
I tried changing the speed and duplex setting from auto to 10 or 100 mb full or half. No change, no internet connection.
I have tried removing and re-installing the driver for the network adapter.

I removed my hard drive and I re-installed XP to a smaller hard drive and, yes, I can connect again.

I do NOT want to go through the process of re-installing software or license rights again. Besides, it may only fail again in a few days/weeks.
I would like to be able to fix this on my XP installation.

How do I ...

1. Find out what is broken and fix it?

2. Stop it from breaking again.? (This will no doubt depend on answer to 1).

One thing that comes to mind... I do not register XP after I install, I just activate it over the net. This option to register it... is it manditory? Could this be the cause?

Asus A7V8x, Asus tek/Broadcom 4401 integrated controller (on motherboard) .
XP home. XP service pack 3, I allow all updates to take place as I am notified (except I do not allow iIE 8 to be installed), normally I use firefox.


Thanks

Alp

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#2 hamluis

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Posted 21 June 2012 - 04:36 PM

<<I do NOT want to go through the process of re-installing software or license rights again. Besides, it may only fail again in a few days/weeks.
I would like to be able to fix this on my XP installation.>>

My simple answer for that is to clone your Windows install...when all is well. When things go wrong, just restore the clone.

But...Publish a Snapshot using Speccy - http://www.bleepingcomputer.com/forums/topic323892.html/page__p__1797792#entry1797792 and we can take a look at basic things.

Louis

#3 Alpsoandso

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Posted 22 June 2012 - 04:42 PM

While cloning the HD would likely work, it is a partial fix that may be suitable to someone who does not know any better, a very flawed easy way out at best.

Having a computer that is always going to fail is NOT a proper solution.

Alp

#4 hamluis

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Posted 22 June 2012 - 05:54 PM

Sorry...but that's the nature of everything man-made, IMO.

I used to live in St. Paul, MN...drove many times over the I-35 bridges/roads there...one day, I saw on the news that a section of I-35 had collapsd...something I would never expect to happen.

Electronic equipment fails all the time...I cannot think of a single electronic device I've ever used in my somewhat lengthy lifetime...where time and circumstance ever lost and the device ran perfectly forever. Computers work in the same manner, that's why backing up has been emphasized since the 90s, when the capability first developed.

Louis

#5 Alpsoandso

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Posted 23 June 2012 - 03:06 PM

The problem struck again. This time on the fresh XP test install I made on a spare 80 gig HD a few days ago. I installed XP on 20 june, and it looked fine up until 23 june 2012 at about 1 am when I had decided to compare the output of a working install of XP on that system with the ipconfig output of an install that showed network cable unplugged. As soon as it booted up I saw the broken network icon in the lower right of the bar.
I kept a log of my activity on this test install. It may hold the key?
The fresh install now reports a network cable is disconnected. Just like all the other re-installs I made this year eventually do. WHY is this happening?
I put the original HD back in and booted to debian/linux (dual boot) , the internet works fine, no problems. If I boot up to the windows partition on that disk.. .. network cable unplugged, no internet access. Same if I boot from the fresh install 80 gig test hard drive.

I managed to run ipconfig and direct the output to a text file....
Windows IP Configuration
Host Name . . . . . . . . . . . . : a7v8x
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Broadcast
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
Ethernet adapter Local Area Connection:
Media State . . . . . . . . . . . : Media disconnected
Description . . . . . . . . . . . : ASUSTeK/Broadcom 440x 10/100 Integrated Controller
Physical Address. . . . . . . . . : 00-E0-18-E0-C4-0C

I do not know what this means except the obvious "media disconnected".
I also tested whether the fresh install would have network connectivity from safe mode. It did not, though I did not see the broken network icon on lower right of bar. Firefox displayed a message about not being able to connect. The ipconfig /all output in safe mode was identical to that obtained in a regular boot on the same system.

I took some screen shot photos of the various network controller settings (device manager) as well as the network connection settings (control panel) while the test install was working.
As far as I can tell the settings are the same for when the test HD had network connectivity and after connectivity failed (no changes seen).
The last 2 microsoft updates that went onto that test setup were ...KB2345886 and KB970430. They were installed on 21 june 2012 at about noon. They system booted fine later that day (2 pm) and on the 22 june as well. 23 of june the unplugged cable problem struck. I have booted to linux several times and it works. From XP... unplugged cable problem.

????? What is going on?????
Does the ipconfig hold any clues?

#6 hamluis

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Posted 23 June 2012 - 05:11 PM

IME, unplugged cable problems have to do with the router or the connection from modem to router...such I usually correct by resetting the router or checking the connections between system and modem or modem and router.

But you have recurreing errors, which make me suspect the hardware.

I don't see any mention of you ever installing the network drivers. My systems do not have Internet connectivity without doing such...are you relying on Windows to install these drivers?

Seems like there are a number of users having issues with that particular Asustek component, http://www.google.com/search?q=Asus+A7V8x%2C+Asus+tek%2FBroadcom+4401+integrated+controller+&sourceid=ie7&rls=com.microsoft:en-us:IE-ContextMenu&ie=&oe=&rlz=1I7ADFA_enUS403 .

Louis




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