Toshiba laptop turns off randomly when moved

Hi,
I have a Toshiba Satelite C655 that randomly turns off when moved. In fact, it will not boot back up unless I remove the battery entirely, hold down the power button for 20 seconds, then put the battery back in. Then it boots up fine.
Like I said, it randomly happens when it's bumped or moved.
Any ideas what this could be? We took everything except the processor out and put it back in to ensure nothing was loose.
This laptop has been very rarely used and is in mint condition besides this one flaw.

I hate random problems. They are the hardest to diagnose and take the longest time to figure out. I agree, it sounds like a loose or intermittent connection. But if you have gone in and reseated all of the connections and made sure that the cables are in straight, etc, it could be a defective connector, cable or component. Again, going to take time and effort to figure out which part or piece when moved or bumped is at fault. Either put in the time and effort to figure it out or consider turning this computer into a 'desktop', where it won't be moved or bumped. Same location always with an external monitor, keyboard and mouse.

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Tell us something more about your system, like installed memory size, processor speed, graphics card make and size, HDD size and so forth. Because yours is CTO model hence it's not possible to figure out these things without your telling us about them.
I'm not very expert but I would say it's probably the RAM since system board and HDD have already been replaced or possibly you have got a lemon. But try following suggestions first.
Do you get any sort of error message or Bluescreen? does Event Viewer report something unusual? Event Viewer can be opened by typing it's name in the search field in Windows 7. If you get Bluecreen you can view it via this program:- http://www.nirsoft.net/utils/blue_screen_view.html and let us know what it says.
Also, make a bootable CD of mem86 and run the test on your RAM, mem86 can be downloaded free from:- http://www.memtest86.com/
Lastly, you can burn LiveCD of any Linux distro and boot from it, if applications work fine in Linux environment then probably it's some software problem your thinkpad is having, re-imaging the system to factory state would be great initiative in that case.
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Contact HP support at: 800-474-6836, register the product and explain the issue.
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“Although I am an HP employee, I am speaking for myself and not for HP.”
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Toshiba laptop turns off randomly when moved

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