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Hi. I have an Advent 7203 laptop. When I plug the power supply/charger inthe led on the power supply/charger goes out. Can you help. I can do the repair myself, I just need to know where to look. Many thanks.

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  • martini32 Oct 27, 2008

    Hi. Many thanks. Didn?t think of that one. I will let you know how I get on.

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Hi,

Three (3) possibilities:

  • power supply/charger - you need to check the output voltage on two (2) instances; without load (not plugged to the laptop) and when plugged. This would require that the cover of the power supply/charger be removed that measurements can be done on the wire. In some instances, the use of an alligator clip with facilitate. Extreme care as the other half of the power supply/charger is live/connected to the mains;
  • defective battery - try removing the battery and run the laptop with just the power supply/charger;
  • defective electronics - either a shorted reverse protection diode or a filter capacitor (most likely).
This of course would require a bit of familiarity with electronic components & circuitry, use of a DVM and eventually/probably a soldering iron. It also requires knowledge of safe working procedures when repairing live units. Should you be uncomfortable performing a DIY (do-it-yourself), then perhaps your best bet would be to seek the services of a qualified profession al.

Hope that this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards. Thank you for using FixYa.

Posted on Oct 27, 2008

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Did you check if the power supply itself is really working properly? Try to use an multi-meter and test if there's a power output from the power supply/charger. If there isn't, you need to use a different power supply/charger.

Posted on Oct 27, 2008

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Ok..start by trying it with no battery..it is possible that it is in deep discharge mode, which can affect the turn on
profile..

report back please, and we will go to next step..based on your report..

Posted on Oct 27, 2008

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It is either a faulty AC socket on the laptop or a defective AC charger.


Posted on Oct 27, 2008

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