Toshiba Satellite C660-28R not boot up

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Monday January 25, 2016
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Posts
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Monday January 25, 2016
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January 27, 2016
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Hello,

I have a Toshiba Satellite C660-28R PartNo:PSC1LE-03700JGE with motherboard PWWHA LA-7202P Rev.1.0 2011-02-18 by Vendor:TRIPOD.

My problem is that my laptop when you press power button, the lights in front works(AC power/Battery and ON) for 3seconds, fan spins and then fan with light ON stops. It close.

I tried remove battery, hold esc, hold power ON button for 1-2minutes, no battery install, and finally start removing hardware, VGA external, remove ram, ...

I disassembly all laptop, clean fan, test fan, check capacitors and motherboard, replace thermal paste.

The fun part is, that if the laptop is not plug for a long time(1-2weeks), it boots up normally...
But then, it starts not to boot again.

Need help. I have disassembly my laptop more than 5times with no luck.

Any ideas, please...

Thank you in advance.
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Sorry, it's inconceivable that any laptop that's been disassembled five times will still function. There is bound to be damage to the motherboard caused by the the disassembly.
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It is so easy. Only top and bottom cover. Then everything is ready.

My problem is somewhere else.