Question about Toshiba Satellite A105-S4004 Notebook

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Powering problem My A105-S4004 will not turn on. I had the computer on stnadby all day so I assume it is dead but when I plug it in, it will not power up. The wifi indicator on the side is always on even with no other lights on. When I plug in the laptop, the "battery" icon lights up on the front panel but not the "ac" icon. If i hold the power button, the caps lock indicator, the control button indicator and the function indicator all ligth up but the computer will not turn on. I would say this is a faulty power adapter but why would the wifi light be on all the time? Thanks

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Re: powering problem

Yes i would say power is bad and maby battery best to buy both before going to replace mobo maby cooling dock they sell on ebay wont hurt ya ether

Posted on Jan 06, 2008

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I have a Toshiba Satellite A105 laptop that will not power up.

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The most common problem on these units is the ac connector solder joints break away from the motherboard. If you're sure the ac adapter is working, and the correct one, and it's not charging the battery (assuming the battery is good), it's most likely the problem. They don't have to appear loose to be loose.
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Have you checked your power adapter with a digital multimeter? Maybe run it by your local radioshack or computer super store if you dont have a DMM and see if someone can check the voltage on it. Maybe your adapter died, then the laptop was running on battery until it went dead.

Another quick check, remove the battery all together. Plug in the ac adapter... does it turn on? does it show any lit led's indicating it is plugged into the wall? try wiggling the connector at the jack on the laptop, does that light any led's or cause power to be restored?

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Hardware failure....take in for repairs...possible motherboard issue. JJ

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