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D610 laptop Motherboard Power up issue

  • 08-02-2011 9:53am
    #1
    DublinDilbert
    Registered Users, Registered Users 2 Posts: 5,393 ✭✭✭


    Hi all,

    Was wondering if there's anyone out there with experience in debugging laptop motherboards.

    I have a d610 that has an intermittant power up problem. Checked all the usual suspects to no avail. Just before the problem started it done an over temp shutdown, but thermistor and two temperature measurement diodes are fine.

    Psu section seems fine too. Removed battery incase that was causing it. Same in docking station and power supply.


Comments

  • #2
    Darren1o1
    Registered Users, Registered Users 2 Posts: 744 ✭✭✭Darren1o1


    DublinDilbert wrote: »
    Hi all,

    Was wondering if there's anyone out there with experience in debugging laptop motherboards.

    I have a d610 that has an intermittant power up problem. Checked all the usual suspects to no avail. Just before the problem started it done an over temp shutdown, but thermistor and two temperature measurement diodes are fine.

    Psu section seems fine too. Removed battery incase that was causing it. Same in docking station and power supply.

    Had the same problem with mine. It was the power jack, they are notoriously unreliable with dells. The first dell (D610) I had, was under warranty and they replaced the board. The second one I had (XPS 1330) was no longer under warranty and I sent away one time to get repaired. There are allot of companies doing this sort of replacement. I have since stopped buying Dell's as a cause of this consistent failure of the jack.


  • #3
    DublinDilbert
    Registered Users, Registered Users 2 Posts: 5,393 ✭✭✭DublinDilbert


    I checked the jack it's fine, having the same problem on the docking station...


  • #4
    godtabh
    Moderators, Science, Health & Environment Moderators Posts: 23,232 Mod ✭✭✭✭godtabh


    Moved this here as I thought it might get more answers


  • #5
    Joeface
    Registered Users, Registered Users 2 Posts: 2,905 ✭✭✭Joeface


    Just repaired my sisters one , Similar sounding problem , there should be a small power board under the bezel for the power . I got a new one off ebay seemed too solve the problem .


    hope this helps


  • #6
    Cuddlesworth
    Registered Users, Registered Users 2 Posts: 13,998 ✭✭✭✭Cuddlesworth


    Darren1o1 wrote: »
    Had the same problem with mine. It was the power jack, they are notoriously unreliable with dells. The first dell (D610) I had, was under warranty and they replaced the board. The second one I had (XPS 1330) was no longer under warranty and I sent away one time to get repaired. There are allot of companies doing this sort of replacement. I have since stopped buying Dell's as a cause of this consistent failure of the jack.

    Thats odd. Because with 2,000 Dell laptops in constant use over four years I have seen no jacks in a Dell laptop go. That includes D610's. I saw charging circuits go in one or two, but no more then the usual failure rate for parts.

    @OP, go to the dell drivers site and download the current diagnostic tools. Its a invaluable tool in identifying a problem. I would start with a memory test, as from personnel experience when a Dimm is failing it can stop the laptop from booting up sometimes. You just get a quick green power light and then it turns off.


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  • #7
    DublinDilbert
    Registered Users, Registered Users 2 Posts: 5,393 ✭✭✭DublinDilbert


    Went to eBay and picked up a used motherboard for €50, back up and running fine now.

    Did you look in detail at the charging circuit?

    Yea a faulty dim will usually cause the caps lock light to flash ten times then shut down.

    When I've some more time I'll look at the old one again..


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