Toshiba laptop over heating - is it difficut to put paste on the heat sink?

Laptop keeps power off when I test the memory.
No hard drive and same with either module.

User report BSOD and Ive removed the hdd to test it.

Im presuming its thermal issue as mem test  just lasts a few mins then powers off.

How to put themal paste on this laptop?
What paste to use?

Thanks
over-heat-.JPG
fcekAsked:
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Scott CSenior EngineerCommented:
First of all you need to get the service manual for this laptop.  Google on "service manual <make model of laptop>".  From there you should be able to see what is involved in removing the heatsink and then you can apply new paste.  Be sure to clean the old off with a cotton swap and alchol.  No scraping with tools.

Also while you have it open be sure to clean any lint/dust from the fans.

After this is all done, make sure to advise the user to NEVER use the laptop on anything but a clean, hard, flat surface.  May people like to use their laptops in bed and sit them on a pillow or comforter.  This not only blocks the air ports it draws lint directly into the laptop.

I will only use my laptop with an air-pad under it.
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smckeown777Commented:
I'd doubt this is a paste issue...is the fan spinning? Overheating normally happens when either the fan stops working...or its clogged with dirt...

You'll have to strip the laptop down to the main board to gain access to the fan - then clean the fan(if its still working)

If its not working then you'll need a new fan
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Scott CSenior EngineerCommented:
Sorry.  Didn't look at the picture before posting.

Here is a link for partial disassembly.

http://www.irisvista.com/tech/laptops/Toshiba-Satellite-Pro-L450-L455/laptop-disassembly-1.htm

Toshiba  doesn't easily put their service manuals out to the public.
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Scott CSenior EngineerCommented:
If you do have to take it apart without  a proper manual, be sure to go slow, take pictures, make notes and keep your screws identified carefully.
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oneononecompCommented:
If it's only shutting down on memtest are you sure it's not bad RAM?
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nobusCommented:
can you post the minidump here?
connect the drive to a working pc to copy it
find it in windows\minidumps
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