Toshiba Equium Power Supply Problems

  PalaeoBill 20:08 15 Apr 2009

My neighbour has a Toshiba Equium laptop that is a little over 1 year old and has blown its original AC adaptor (PA3468E-1AC3) and within a week of my buying a replacement for her that too has blown.
The laptop was brought to me not charging and I quickly identified the AC adaptor as the culprit (The 3 amp fuse in the plug was fine but a volt meter across the jack showed zero volts). Her story was that it worked ok one day and then not the next. No fireworks.
The replacement worked fine for a good week and then blew in spectacular form, blue flash, heat (it was on her lap), scorching around the cable into the black box of the AC adaptor, 3 amp fuse in the plug blown and it took out the whole house electrics.
Sorry for the long preamble. Question: Could this be just a fluke or could something wrong in the laptop be causing the blown AC adaptors?
Do I order another replacement adaptor (the supplier has been good and given me a refund)?

  Fruit Bat /\0/\ 20:32 15 Apr 2009

Surprised its not taken the laptop with it, or has it?

I would not have expected an adaptor to go like that.

  PalaeoBill 23:01 15 Apr 2009

It surprised me too, I've never heard of anything like it. I wasn't there but I have no reason to doubt my neighbour.
The laptop appears absolutely fine, it powers up into Vista and still has a good charge in the battery. I haven't bought a replacement AC adaptor yet and I only have Dell ones at home (polarity and voltage are wrong and the jack is too big anyway) so I can't try one to see if the laptop socket is ok.

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