Wich fan reference for a Lenovo 3000 N200 ?

(excuse me for bad english, I'm not english speaking people)
Hi,
I have a Laptop Lenovo 3000 N200 0769-A44 (S/N xxxxxxx 07/11).
I have an important noise from the CPU fan. I want change the CPU fan but I don't find the good reference.
In the system part, for 0769, there are 2 references : 41W5225 and 41R7795.
On the fan there is the S/N ATZI8000700M1.
Can you say to me which of the 2 references is the good for my computer ?
Thanks
Moderator Note; s/n edited for members own protection
Solved!
Go to Solution.

Intel graphics: 41W5225
Nvidia graphics: 41R7795
I think yours has Nvidia?

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Moderator Note; s/n edited for member's own protection

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Wich fan reference for a Lenovo 3000 N200 ?

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