Thinkpad A22P shuts down unxepectedly

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 I have an IBM ThinkPad A22P that shuts off unexpectedly, when it's in
XP Pro SP2 and even when not in the OS (while in the BIOS).  It seems
to be from overheating, although I'm not certain.  I've tested it while
on battery only,  with AC adaptor connected, and every combination
thereof.  I don't think it is the AC/DC power adaptor, as I've used
other known good ones.  I'm thinking that it must be the processor fan
not working or the main system board fan not working, but I can't find
the FRU replacement part for a system board fan, only a processor fan.
I have used memtest86+, and tested each SIMM separately and they both
test without any errors (1 1/2 hrs.)as suggested by someone on

I'm reasonably sure that it's heat related, 'cause after I was done
testing, I rebooted and it started to go into Windows XP and about 30
seconds into the bootup process, it shutdown again, tried again several
times and it kept shutting down in shorter and shorter intervals.   The
strange thing is that the memtest86+ ran for over an hour and a half
and it didn't shutdown - and of course the HD never comes into play
'cause the memtest is running from a floppy.  Is it posible the HD is
compromised?  I did run AVAST's AV on it prior to the memtest86+ and it
found one Trojan virus that I deleted.  I also noticed that there is no
exhaust fan working on the left side of the Thinkpad where there
appears to be an exhaust vent - is there one in that model?
Has anyone had a similar problem, or knows what the solution to this is

Re: Thinkpad A22P shuts down unxepectedly

there is no system board fan. Try re-seating the CPU and use a good
insulator, like Artic Silver. It might help.

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