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ThinkPad R40 makes screeching noise on bootup.

R30/R40, A30/A31, G40/G50 and Z60/Z61 Series. NOT for AMD-Ryzen.
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nanomacguy
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ThinkPad R40 makes screeching noise on bootup.

#1 Post by nanomacguy » Sat Oct 22, 2022 10:18 am

Just recently, my ThinkPad R40 has been making a screeching/grinding noise on boot.

1. Should I be concerned?
2. What part would I need to replace to fix it?
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RealBlackStuff
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Re: ThinkPad R40 makes screeching noise on bootup.

#2 Post by RealBlackStuff » Sat Oct 22, 2022 10:24 am

Fan, Floppy/CD-drive or HDD.
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nanomacguy
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Re: ThinkPad R40 makes screeching noise on bootup.

#3 Post by nanomacguy » Sat Oct 22, 2022 4:53 pm

The noise doesnt happen on boot anymore, but now the fan only spins up briefly before not spinning until next boot.

Should I replace the fan or is the issure more involved?
My Thinkpads: IBM Thinkpad R40, Lenovo ThinkPad T410, Lenovo ThinkPad W530
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RealBlackStuff
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Re: ThinkPad R40 makes screeching noise on bootup.

#4 Post by RealBlackStuff » Sun Oct 23, 2022 12:54 am

Normally the fan spins up briefly at boot time and then only comes on when the CPU gets hot.
If temps are 'normal' there is no need for the fan to spin.
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