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3 Answers

Computer Freezes on Internet

I am relative newbie hoping that someone can help me with my problem - I've googled for days and haven't found any leads.

My Machine:
AMD Sempron 2400 processor (1.6 GHz)
K7S14GX motherboard
1 Gb RAM
WDC WD 800BB-00JKC0 Hard drive
OS: Dual Boot WinXP SP2 / FreeBSD 7.0-Release
Hard-wired to a wireless modem/router (Two other machines wirelessly sharing internet connection - no problems.)

The Problem:
My computer hangs when I go online in either WinXp or FreeBSD. It happens randomly - after 5 minutes or an hour and a half - and I have to do a hard reset to reboot my machine.
This started about a month ago. Initially I thought it was my DSL ISP (Bell, so I called them and they said my line was fine. I had been using their hi-speed modem with my own Linksys wireless router. They sent me an upgraded modem - still no improvement. I suspected that maybe my problem was my router - it is an older model - so I purchased Bell's combination router/modem. Still no improvement.
I have started preliminary testing with MemTest and SmartMonTools but so far everything tests fine. I have to assume that this is a hardware problem as it affects both operating systems equally. I even updated my BIOS, but still no improvement. I have done clean installs on both WinXP and FreeBSD several times to no avail.
This machine has been trouble-free before this incident, and WinXP and FreeBSD have coexisted peacefully for years up until now. Any comments, suggestions, or advice would be gratefully appreciated.


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  • 2 more comments 
  • lwptg May 06, 2008

    Thanks for the speedy reply! I'll try connecting to the net with a wireless NIC and see what happens. (After I disconnect my network adapter in the BIOS...)

    Thanks again,


  • lwptg May 07, 2008


    Well, I purchased a D-Link ethernet card as well as a new network cable. I installed the card after a clean install of WinXP. No change, it still hangs. And it doesn't seem browser related as it hung when I pinged (pung?)

    I know that this type of problem is very difficult to isolate. I am thinking that I may just have to buy a new computer. Any other suggestions, comments, or advice would be greatly appreciated.



  • lwptg May 08, 2008


    Just to let you both know the outcome to my problem: I disabled APCI in both WinXP and FreeBSD and the system works like a charm - hasn't frozen once in 24 hours of being online in both OS's.

    Two short questions, however:

    1) Are there any downsides to disabling my APCI?

    2) Why should this adjustment have to be made after several years of working just fine? I didn't add any new hardware or software.



  • drk350 Nov 11, 2008

    installed bell sympatico and a linksys wireless -n pci adapter and my computer freezes now



3 Answers

As far as functionality goes, disabling APCI will have no affect.

APCI stands for application-layer protocol control information. It is normally used in the industrial field to help monitor equipment performance. At least that is what I found when searching for APCI. It works with ethernet and IP to transmit the data to the user interface.

In terms of why it needed to be disabled, there could have been a recent security patch installed on your machine that prevented APCI from accessing the network. Even on a new install, Windows searches for recent updates that your computer does not have, then automatically installs them.


Posted on May 08, 2008


What Firewall are you using?

Posted on May 07, 2008

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Possible problems: If you've replaced both the modem and the router more than once and you still have the problem, then the problem is with your machine, especially considering that two other computers can connect wirelessly without difficulty.

Assuming that the only time your computer freezes is when you are on the internet, most connection oriented issues, such as the one you are describing, are a result of poor or faulty physical connections. So you are correct in thinking that it is a hardware issue. If you haven't replaced the cables between your computer and the router/modem, do this first. If that does not solve your problem then I would say it could be your network adaptor, which is the device that you plug the cable into on the back of your computer.

Most computers have a network adaptor built into the motherboard, so you will need to purchase a pci adaptor and place it into one of the available pci slots on your computer.
After doing so you will want to go into the bios and disable the old adaptor so there are no conflicts. Run the setup disk for the new adaptor and try it out.

On the other hand, if your computer does freeze at other times when you are not on the internet, then the problem could be one of many other possible causes.

Posted on May 06, 2008

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