> Hi. I have this recurring problem that is driving me crazy and I have
> no idea where it is coming from.
>
> The internet will randomly cut off while I am using the computer. I
> can't browse or access my router (10.0.0.2). The computer upstairs
> continues to work fine, but no matter which network adapter of my
> computer I try using, there is no access at all (i have dual lan).
> This problem vanishes when I restart the computer but will come again
> randomly. This is EXTREMELY annoying.
>
> I have scanned for viruses and spyware and have none of them at all.
>
> I really have no idea what is causing this. If you want my system
> specs they are as follows:
>
> MSI K8N Neo2 Platinum (Dual Gigabit LAN)
> Windows XP Media Center Edition 2005
> Maxtor 160GB S-ATA
> Athlon 64 3700+
>
> If you want anything else please dont hesitate to ask. I doubt this
> problem will be resolved but I hope it does as i am DESPERATE to get
> this fixed. Please don't tell me to search google as I have no idea
> what to search for as the results i seem to get are so vague.

"Malke" wrote:

> King Blah wrote:
>
> > Hi. I have this recurring problem that is driving me crazy and I have
> > no idea where it is coming from.
> >
> > The internet will randomly cut off while I am using the computer. I
> > can't browse or access my router (10.0.0.2). The computer upstairs
> > continues to work fine, but no matter which network adapter of my
> > computer I try using, there is no access at all (i have dual lan).
> > This problem vanishes when I restart the computer but will come again
> > randomly. This is EXTREMELY annoying.
> >
> > I have scanned for viruses and spyware and have none of them at all.
> >
> > I really have no idea what is causing this. If you want my system
> > specs they are as follows:
> >
> > MSI K8N Neo2 Platinum (Dual Gigabit LAN)
> > Windows XP Media Center Edition 2005
> > Maxtor 160GB S-ATA
> > Athlon 64 3700+
> >
> > If you want anything else please dont hesitate to ask. I doubt this
> > problem will be resolved but I hope it does as i am DESPERATE to get
> > this fixed. Please don't tell me to search google as I have no idea
> > what to search for as the results i seem to get are so vague.
>
> Have you disabled power management? Find the network devices in Device
> Manager (Control Panel>System>Hardware). Double-click each to get its
> Properties. Click on the Power Management tab and clear the checkbox
> for "allow Windows to turn off this device when not in use".
>
> If that doesn't work, random failures are usually hardware-related.
> Since you say the problem occurs with two separate NIC's, swap out the
> cable, try a different cable, try a different port on the router, try a
> different router.
>
> And of course:
>
> The First Question Of Troubleshooting: what changed between the time
> things worked and the time they didn't?
>
> The Second Question of Windows Troubleshooting: what is the
> malware/virus status of the machine? If you think it is clean, what
> programs (and versions) did you use to determine this?
>
> Malke
> --
> Elephant Boy Computers
> www.elephantboycomputers.com
> "Don't Panic!"
> MS-MVP Windows - Shell/User
>

"Malke" wrote:

> King Blah wrote:
>
> > Hi. I tried disabling power management but this did nothing. I am
> > still getting this frustrating problem.
> > I checked for viruses with the latest version of Kaspersky Antivirus
> > with no viruses found. This is a very recent install of Windows as
> > well. I have no idea what is going on.
> > I have tried different cables. This does nothing. I have also tried
> > different ports. This has done nothing. Trying a different router
> > probably would do nothing as the computer upstairs can access the
> > internet fine. I appreciate your help and hope there is a solution to
> > my problem.
>
> What about this:
>
> The First Question Of Troubleshooting: what changed between the time
> things worked and the time they didn't?
>
> Did the network ever work reliably?
>
> Are there are clues in Event Viewer?
> Start>Run>eventvwr.msc [enter]
>
> Why did you need to reinstall Windows? Or is this a brand-new machine?
>
> Malke
> --
> Elephant Boy Computers
> www.elephantboycomputers.com
> "Don't Panic!"
> MS-MVP Windows - Shell/User
>

> Hi.
> I reinstalled windows as I was upgrading to Windows XP Media Center
> Edition (previously I had XP professional). I had to do a fresh
> install.
>
> I looked at this event viewer and went into system, and there was a
> "Warning" at the top. When I clicked it it showed:
>
>
> "TCP/IP has reached the security limit imposed on the number of
> concurrent TCP connect attempts.
>
> For more information, see Help and Support Center at
> http://go.microsoft.com/fwlink/events.asp."

"Malke" wrote:

> King Blah wrote:
>
> > Hi.
> > I reinstalled windows as I was upgrading to Windows XP Media Center
> > Edition (previously I had XP professional). I had to do a fresh
> > install.
> >
> > I looked at this event viewer and went into system, and there was a
> > "Warning" at the top. When I clicked it it showed:
> >
> >
> > "TCP/IP has reached the security limit imposed on the number of
> > concurrent TCP connect attempts.
> >
> > For more information, see Help and Support Center at
> > http://go.microsoft.com/fwlink/events.asp."
>
> Are you running file-sharing software (P2P)?
>
> When you clean-installed Windows, did you also install all the drivers
> for your hardware?
>
> Malke
> --
> Elephant Boy Computers
> www.elephantboycomputers.com
> "Don't Panic!"
> MS-MVP Windows - Shell/User
>

"Malke" wrote:

> King Blah wrote:
>
> > I haven't been running P2P software and I installed all of the
> > hardware when I reinstalled windows. (I have reinstalled windows
> > countless times before and I just carried on the same routine I
> > usually do of installing drivers).
>
> Then I'm afraid I don't know why you're getting that error. Look in
> Event Viewer again and write down the Event ID number. You can then
> look it up at www.eventid.net.
>
> Malke
> --
> Elephant Boy Computers
> www.elephantboycomputers.com
> "Don't Panic!"
> MS-MVP Windows - Shell/User
>

> I got this problem again this morning and this error did not appear,
> so it does not appear to be linked to my problem. I guess i'm going to
> have to keep restarting my computer constantly until this problem
> fixes itself, which could be in months....
>
> "Malke" wrote:
>
>> King Blah wrote:
>>
>> > I haven't been running P2P software and I installed all of the
>> > hardware when I reinstalled windows. (I have reinstalled windows
>> > countless times before and I just carried on the same routine I
>> > usually do of installing drivers).
>>
>> Then I'm afraid I don't know why you're getting that error. Look in
>> Event Viewer again and write down the Event ID number. You can then
>> look it up at www.eventid.net.

"Malke" wrote:

> King Blah wrote:
>
> > I got this problem again this morning and this error did not appear,
> > so it does not appear to be linked to my problem. I guess i'm going to
> > have to keep restarting my computer constantly until this problem
> > fixes itself, which could be in months....
> >
> > "Malke" wrote:
> >
> >> King Blah wrote:
> >>
> >> > I haven't been running P2P software and I installed all of the
> >> > hardware when I reinstalled windows. (I have reinstalled windows
> >> > countless times before and I just carried on the same routine I
> >> > usually do of installing drivers).
> >>
> >> Then I'm afraid I don't know why you're getting that error. Look in
> >> Event Viewer again and write down the Event ID number. You can then
> >> look it up at www.eventid.net.
>
> The only way to figure this out is by very methodical troubleshooting of
> both the software and hardware.
>
> Software - Start by doing clean-boot troubleshooting:
>
> Clean boot in Windows XP - http://support.microsoft.com/kb/310353
> Clean-boot advanced troubleshooting in Windows XP -
> http://support.microsoft.com/kb/316434
>   and How to Troubleshoot By Using the Msconfig Utility in Windows XP -
> http://support.microsoft.com/?id=310560
>
> You have to make one change at a time and test extensively after making
> each change. Make notes about what you do.
>
> Another good way to determine if the problem is caused by software
> (Windows) or hardware is to boot with Knoppix, a Linux distro that runs
> from cd. If the networking stays fine under Knoppix, then you know that
> something you've got running in Windows is causing the problem. If the
> problem persists under a different operating system, then you know the
> problem is hardware.
>
> You can get Knoppix from www.knoppix.net. You need a fast Internet
> connection and third-party burning software to burn the .iso.
>
> Hardware - If doing a clean-boot doesn't help and the problems continue
> under Knoppix, then you need to start swapping out hardware. You say
> you've already swapped cables, so you need to start with the NIC. Swap
> it out for a known-working one. If doing that doesn't help, swap out
> the router. I don't care if the other computer works with the router;
> if you've eliminated everything else but the router and still have the
> problem, you've Sherlocked the answer.
>
> Malke
> --
> Elephant Boy Computers
> www.elephantboycomputers.com
> "Don't Panic!"
> MS-MVP Windows - Shell/User
>

"Malke" wrote:

> King Blah wrote:
>
> > Hi! Thanks for the help so far, I'll give those things a try when I
> > next can. Just a quick update:
> >
> > Firstly I can't swap out NIC's as they are built into my motherboard.
> > Secondly, the problem just occured and I was on MSN messenger talking
> > to someone and also downloading the Knoppix ISO. When the problem
> > occured, I could continue talking to my friend on MSN messenger and
> > the download for the Knoppix ISO continued, but i couldn't connect to
> > any websites or initaite any new conversations (my messages didn't get
> > through). This makes the problem even more odd as I have no idea what
> > is causing it. Any ideas?
>
> You can't swap out NIC's built into a motherboard but you can disable
> them and put in a PCI NIC and use it. Get Knoppix from a different
> computer.
>
> It sounds like any time you are trying to pull a fair amount of data you
> lose connectivity. This points to hardware. I'm afraid I don't have any
> more ideas for you except to do the methodical troubleshooting I
> already suggested. Perhaps having a computer professional come on-site
> would be better for you; only you can make that decision.
>
> Malke
> --
> Elephant Boy Computers
> www.elephantboycomputers.com
> "Don't Panic!"
> MS-MVP Windows - Shell/User
>

>
> Have you disabled power management? Find the network devices in Device
> Manager (Control Panel>System>Hardware). Double-click each to get its
> Properties. Click on the Power Management tab and clear the checkbox
> for "allow Windows to turn off this device when not in use".
>
> If that doesn't work, random failures are usually hardware-related.
> Since you say the problem occurs with two separate NIC's, swap out the
> cable, try a different cable, try a different port on the router, try a
> different router.
>
> And of course:
>
> The First Question Of Troubleshooting: what changed between the time
> things worked and the time they didn't?
>
> The Second Question of Windows Troubleshooting: what is the
> malware/virus status of the machine? If you think it is clean, what
> programs (and versions) did you use to determine this?
>
> Malke
> --
> Elephant Boy Computers
> www.elephantboycomputers.com
> "Don't Panic!"
> MS-MVP Windows - Shell/User
>

"Nishant Shah" wrote:

> Does IPCONFIG /release and IPCONFIG /RENEW work? or the only way is to
> restart the PC?
> I am trying to figure out if the NIC card is dropping the connection.
> --
> Regards,
> Nishant Shah