Dead Toshiba Laptop

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Jan 3, 2011
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Hi everyone,

I have a toshiba satellite a200-244, and after about 15 months of use it use to switch off on its own now and then. I half heartedly searched for the problem but could not get through to the main problem which I later found out was the dust in the cooling system.
Anyway, soon after it use to shut off on its own i use to turn it back on and surprisingly enough it did not use to get as hot as it sometimes did back in the day. Yesterday, same thing happened and it would not turn on back again. No lights, no fans no response at all apart from a clicking noise from the motherboard which i will explain later.
I have done my homework, have checked the wall mount, power adaptor and pressed the power button while the battery was out and have tried powering it on the cable alone. No response.
I did open the laptop aswell down to the motherboard (cleared the cooling system aswell), when i connect the power lead it makes a clicking sound which is quite rapid and hardly audible. (its not the harddisk or any other part as everything was disconnected)
From what i have researched, i think the motherboard is fried, but i would like some input from you guys and also if that is the case what would be the best thing to do. I havent ever had a problem with my computer of this madnitude before and all the other problems before were fixed by myself.
Any suggestions $$ estimates are appreciated.
Thanks
 
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First have the Powersupply checked to see if it is supplying the correct voltage......also does the power jack at the back where it plugs into seem loose at all...and nothing comes up on the screen and the fan does not spin up is that correct?
 

undisclosed

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Jan 3, 2011
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Hi Megabite,
I have checked the powersupply , its rated at 19v and shows 19.57v when checked. The socket is not loose at all. And yes nothing fires up, no fans , no lights nothing at-all apart from the clicking sound.
 
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The clicking sound you say is not from the Hard drive then it could be from the Fan....if the fan sensor unit might be faulty
 

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Jan 3, 2011
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Fan sensor is on the motherboard ? and if it is faulty would it restrict the motherboard to show any signs of life ?
I had taken everything off the mother board which could possiblly be disconnected (lan card,ram,cooling fan,heat sink etc) and still the sound was from something on the board.
 
Joined
Dec 27, 2010
Messages
109
There's a little board (which sometimes is part of the mainboard) that's responsible for receiving power from the battery/external adapter and turn everything in your notebook on, I'll try to remember the name, but well... I've had an Acer notebook with that same problem and that little board was faulty, it had to be re-soldered.

Assuming you can't re-solder the board yourself, yes, the mainboard practically fried, but it's not an expensive repair if made by an expert. :)
 

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I hope its not the mobo. btw whats the correct method of checking the power socket on the laptop with a voltmeter.
 
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