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NEC CPU Heatsink with Fan CPU Heatsink & Fan

Ungluing FAN from CPU

By Cato - usenet poster


hi,
I would be most grateful if someone
could tell me how I can unglue a FAN
from the CPU. (Actually, it is the
heat sink which is glued to the cpu,
and I have already unscrewed the fan).

Basically, the fan is failing to start
on some occassions and I have got
a newer fan which comse with
its own heat sink. Basically, I need to
take off the old heat sink but I do
not want to apply pressure to the
cpu, just in case it might break.

I wonder if there is any solvents that
would come handy for dissolving away
the glue ..

Your assistance is most appreciated.
Thanks in advance.

Rajnish

PS: Remove "NOSPAM." before replying to
my email.

This Problem has been added to the Share Your Expertise Page under "My Work Queue".
Solution #1
posted on Aug 02, 2007
Not Rated (0)

M0nica L

M0nica L - usenet poster

Rank:Apprentice Apprentice
Rating: 0%, 0 votes
In article < says...

I doubt if somthing like nail polish remover would agree
with your cpu. It really depends on just how smooth the
ceramic surface (assuming non mmx233 or PII)
of your cpu is; with rough surfaces (eg the 'ole i486-sx chip)
you can pretty much forget it.

In your situation I'd try one of three things:

1-
a) Carefully destroy the fan section with pliers, remove spindle,motor
blades etc.
b) mount 2nd fan on top of remaining rim - if present, screw standard
hex mounts into existing rim screw positions.

2- (risky)
a) Attach small vice clamp to 2 edges of the cpu (using thin soft buffer -
like antistatic matting)
b) use wood or similar in clamp to block lateral sliding
c) use second vice clamp (or miniture G clamp) to carefully
place pressure on the heatsink/fan towards the direction of the
wooden block. Tighten clamp slowly over an extended period of time
and use a good jewelers flat bladed screw driver to try and lift the
heatsink w/o digging into the fragile cpu case. Watch out, cpu case
corners chip easily and pins can break off if bent.

3-
Take it to an *expert* comp. repair shop if you can't afford to lose the cpu.

Mitch.

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