Satellite M70 loses power randomly

This Satellite M70 has no battery.
When plugged into the power supply, the blue power light comes on as expected.
But after a few minutes, the light blue power turns off and all power is lost.
This happens even if the computer is not "activated" while it is plugged. Therefore, it is not likely to be overheating.

Let unplugged, more light will light up when it is plugged.
If unplugged and reconnected right after the LED turns off, the diode can not ignite at all, or it may come a few seconds.

I completely disassembled the M70 and there is no dust anywhere inside.
The problem when the M70 is stripped without RAM card, HARD drives, screen, keyboard and interface. All the pieces, I can reach feel cold when the power loss occurs.

The PSU is known well, it is 3. 34 and bed 19.5V with a voltmeter.

So probably something wrong with the power of the motherboard components.
It is not really worth paying for repairs, so before you throw this M70, what should I try?

Thank you
Jen

Here must be a serious problem with electronic power supply on the motherboard.
In my opinion there is nothing you can do about it.

If you want to keep this old piece of hardware check eBay and maybe you can find refurbished mainboard and exchange it. Maybe you can find good work M70 but destroyed or defective display and get it for less money. You can use two mobile phones and do well work a.

I don t think you should spend a lot of money for it.

Tags: Toshiba

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