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  1. #1
    3 Star Lounger
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    Network Connection Dropout (XP Pro SP1)

    I have a desktop PC networked to a Toshiba Tecra 8000 laptop which also has Windows XP SP1. The network connection keeps dropping out and is only restored by rebooting both machines which is very annoying and time consuming. I thought I could fix it by changing the power mgt on the laptop to never turn off but it didn't make much difference.

    Any ideas please?

  2. #2
    Plutonium Lounger
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    Re: Network Connection Dropout (XP Pro SP1)

    Are you using dialup, DSL or cable and is your network setup with a router or ICS or what?

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    Re: Network Connection Dropout (XP Pro SP1)

    If you are using NICs (Network Cards) check the hardware setting on the cards themselves. XP seems to treat this separate from the general power management. I know 'cos I've been caught out. Look under the network settings.

    Hope this helps.
    Granville

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    Re: Network Connection Dropout (XP Pro SP1)

    Also if Hibernation is running it too will kill the network.

    Now running HP Pavilion a6528p, with Win7 64 Bit OS.

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    Re: Network Connection Dropout (XP Pro SP1)

    Ah, Hibernation is one of my pet peeves! I disable it on all my PCs as it has led to many other problems in the past.
    Granville

  6. #6
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    Re: Network Connection Dropout (XP Pro SP1)

    Hibernation works perfectly on my laptop and saves me a lot of time rebooting when I want to start working in a hurry.

    I use both Ethernet and Wireless networking and often come out of hibernation connected to a different network to the one I was connected to at hibernate time and it "just works". I guess I'm just a lucky guy.

    StuartR

  7. #7
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    Re: Network Connection Dropout (XP Pro SP1)

    Can you look in the event log and see if there are any errors. This might help to identify the cause of the lost connection.

    (If you are unfamiliar with the Event log, try Start > Run > Eventvwr.msc and look in the System and Application logs)

    StuartR

  8. #8
    Super Moderator jscher2000's Avatar
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    Re: Network Connection Dropout (XP Pro SP1)

    I find hibernation far less troublesome than suspend mode. But then, I typically try to log off before hibernating so that there is the minimum amount of confusion when I wake the computer up 50 miles away and it finds itself jacked in to another network.

  9. #9
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    Re: Network Connection Dropout (XP Pro SP1)

    Stuart/Jeff,

    Guess hibernation must just be part of my typical luck with laptops then. <img src=/S/igiveup.gif border=0 alt=igiveup width=31 height=23> <img src=/S/grin.gif border=0 alt=grin width=15 height=15>
    Granville

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    Super Moderator jscher2000's Avatar
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    Re: Network Connection Dropout (XP Pro SP1)

    I wouldn't say it's perfect, by any means. Yesterday my laptop hibernated without warning after a couple hours of use. I plugged in the AC adapter and when I resumed, Windows then told me my battery was low and I should plug in. Nice.

  11. #11
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    Re: Network Connection Dropout (XP Pro SP1)

    I always change the thresholds on Control Panel > Power; the defaults don't give you long enough to respond to the warning message before they force hibernation.

    The laptop that I am typing on now is set to warn me at 20% battery and hibernate at 10%

    StuartR

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    Re: Network Connection Dropout (XP Pro SP1)

    I went on holidays for a week now I'm back to get this sorted. Hibernation is now off as the battery is permanently dead and I don't need to replace it. The network is setup with a router which has two desktop PC's permanent ly plugged in without any problems. I looked up the event viewer and found an error which stated, to the effect of, "The Master Browser has received a server announcement from the desktop PC that believes it is the master browser for the domain on transport NetBT_Tcpip_ {number goes here} The Master Browser is closing on an election is being forced." I looked up the Microsoft help screen but it didn't tell me how to resolve it. I've checked out the NIC settings and there seems to be nothing obviously wrong.

    Where do I go from here?

  13. #13
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    Re: Network Connection Dropout (XP Pro SP1)

    The browser election messages are almost certainly not important.

    I am running out of ideas, but you might want to try swapping the network port and cable that the laptop uses with a desktop PC that never gives problems, just in case. Another thing that is worth trying is to turn off auto-negotiation on the NIC speed/duplex settings and set it to the correct value for your network switch. (This is done from the Advanced properties of your NIC).

    StuartR

  14. #14
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    Re: Network Connection Dropout (XP Pro SP1)

    Thanks, I'll try those.

    How do I found out the correct speed/duplex value for my network switch?

    Nick

  15. #15
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    Re: Network Connection Dropout (XP Pro SP1)

    Depends on what switch you are using. Most Cisco switch have a button on the front panel, labelled "Mode, which will cicle through "STAT", "UTIL", "DUPLEX" and "SPEED". From memory, on a 10/100 switch green in DUPLEX mode indicates full and green in SPEED indictaes 100Mb.
    Granville

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