Question about Toshiba Satellite M35X-S149 Notebook

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Laptop shutting off

I am having problems with my power supply, it connection to my Toshiba laptop M35X or the battery. The unit powers up but frequently shuts off on its own. When this occurs the battery is almost discharged. I can plug the power supply in, power up but it will still turn off randomly. I note the green AC lite AND the battert status lite orange/green will often flicker or turn off when the computer is turned off but connected to the power supply. I can wiggle the power connector where it plugs in to the back of the computer and usually get the lights back on. I suspect a loose connection with the female adaptor plug for the power supply, but I wonder if anyone else is familiar with this problem. If this is it I will need to open up the computer to check or resolder this connection. How big a project is this ? I checked the power supply with a voltmeter and it seems ok. Thanks for any help.

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I am having a problem with my laptop..I am charging it but it b=never charges so when i start it it shut off and never turned on.But the orange bulb is always on even though I put it on charging for whole night

Posted on Jun 28, 2007

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This problem has happened to me on several occasions. I found that the connector that you plug your power supply into on the motherboard gets loose. Not making a good connection and like you said needs to be re soldered. Before attempting this, stick a small screwdriver in there and see if it's loose. If it is, then EVERYTHING needs to come off to get to it. Not a quick project. I suggest you take pictures along the way just in case. Good luck!

Posted on Nov 16, 2006


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I have a M35x S149 and cannot gt it to turn on replaced power supply no help couldnit be the battery since i dont think it nhas ever been replaced ?

remove the battery and and the unplug. hold the power button for 30 seconds. plug in but leave the battery out. try to turn it on.

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This could be the power inverter. It has happened to a few people I know. First off I don't think you should have the battery out. I think the power distribution function needs the battery in to complete it's component structure. Next, don't leave your laptop on a cushy surface (bed, pillow,couch, etc.) This blocks the fresh air intake for the processor. When the processor heats up, the unit will shut off. Repeating this will eventually toast your laptop altogether. Make sure no dust has built up on either the intake (bottom) or output (side). Use a can of compressed air to clear the unit. UNPLUG and REMOVE BATT First!

If all is clear and it's still happening it very well could be the power inverter, it's about 60 bucks and you can do it yourself. You may find it cheaper on ebay or something. You will need the actual part number off the inverter. Google "Replacing power inverter for toshiba" for more info. Hope this helps!


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1 Answer

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There is no power connector from a desktop computer that can connect or supply power to a laptop computer.
There are replacement power supplies available on the Internet or at your friendly computer shop.

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Try to connect to external monitor and see if you see anything. Of course when you do that you have to hold at the same time fn key and the key that has a blue picture of computer screen.

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