Question about Dell Precision M90 Notebook

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I am a Support Tech for the Army and really can't find a solution to this problem. When I plug in my Cat5 cable it still says network unplugged only on my M90 computers, all other Dells I have connect find but this one, its happened on two of my M90's already. Has anyone ever seen this? My network is down right now but it should at least still connect to the switch right?

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  • blainescott8 Mar 11, 2009

    I am using all straight throughs, its from workstation to switch.

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  • Master
  • 463 Answers

Perhaps the "other" Dell's network cards have auto-sense, and you're using a crossover cable... when you shove it into the M90, you get nothing because the wiring of the Patch Cable is not right.

Try a known good "straight through" patch cable.

Posted on Mar 11, 2009

  • Rob
    Rob Mar 11, 2009

    How far away are you (cable-wise) from the switch (or hub)?

  • Rob
    Rob Mar 11, 2009

    Take a known good patch cable, walk to the network closet where the switch is and plug the M90 into a known good port. Does it now work? Great! Problem is either impedence in the wiring betwixt the switch and network jack and/or distance from switch.



    Still doesn't work? Wierd? Perhaps the network adaptors are disabled in the control panel or you've got a rare case in which both the network adapters in two different laptops are bad. Make sure they are enabled, of course, both in the BIOS and in the control panel/network dialog. Still no love? Plug the M90 into a different make/model of hub switch and see if it works...

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