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Ant
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Loud CPU fan in my dad's old Dell Optiplex GX260 machine.

Hello.

Does anyone have any ideas why my father's old Dell Optiplex GX260 machine's CPU fan is loud in blowing (not loud as spinning)? We opened it up and found out it is from the CPU fan (the one with green plastic cover. We noticed the interior and fans don't look that dusty/dirty (amazed at that compared to my PCs after all these years).

I checked the CMOS to see if I could get fan readings or control, but didn't see one.

Any ideas? Do we need to replace it? Both PSU and CPU fans seem to be blowing fine. Just CPU fan is LOUD and blowing hard. And the room temperature isn't even hot which is weird! I wonder if this is related to the low voltage battery error in CMOS a few months ago (haven't seen it since then).

I told him not to take the CPU fan parts apart because he might make it worse. Smiley Wink

Thank you in advance. Smiley Happy

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15 Replies
speedstep
Diamond

Re: Loud CPU fan in my dad's old Dell Optiplex GX260 machine.

 

If it sounds like a jet airplane taking off it could be motherboard capacitor failure.

If it sounds like a ford model T transmission gear groaning then the fan is going bad and should be replaced.

Small Form Factor would be 5P573

http://www.impactcomputers.com/5p573.html

For a Tower

7Y292 - Fan & Shroud Assembly

http://www.impactcomputers.com/7y292.html

 

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Ant
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Re: Loud CPU fan in my dad's old Dell Optiplex GX260 machine.

Yes, the fan sounds like an airplane. It reminds me of those modders who have fans cranking at high speed and so loud. Or being in server rooms that are loud! Definitely not fan noises. Just loud.

Motherboard capacitor failure: How long will the PC last without problems? So far so no problems. Just loud.  And how do we fix it? Replace the whole motherboard? It's old and I don't think Dell has replacements?

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Ant
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Re: Loud CPU fan in my dad's old Dell Optiplex GX260 machine.

Bumped since latest questions were unanswered. Smiley Happy

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speedstep
Diamond

Re: Loud CPU fan in my dad's old Dell Optiplex GX260 machine.

Capacitor failure is not something where you can say it will last exactly 43 days 23 hours 6 minutes and 3 seconds.

Badcaps can be repaired but its easier to just replace the motherboard.

Airplane Noize can also come due to the heatsink being loose or dust clogging the heatsink and fan.

0T606 - System Board (Motherboard) for OptiPlex GX260
2X378 - System Board (Motherboard) for OptiPlex GX260
2R433 - System Board (Motherboard) for OptiPlex GX260
4T274 - System Board (Motherboard) for OptiPlex GX260

http://www.impactcomputers.com/0t606.html

The board is on a tray with a Green Tab to remove it.  Its not hard to replace.

 

 

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Ant
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Re: Loud CPU fan in my dad's old Dell Optiplex GX260 machine.

A status update since the CPU fan just stopped a few minutes ago, but the PC is still working (no reboots, no lockups, no crashes, etc. yet!).

Not sure if the CPU fan is dead though. PSU fan is still spinning, black CPU fan is not spinning at all, but we can see it shaking/vibrating (not sure if it is from it or the PSU fan -- can feel air flows from both vents). Not sure if it is trying to spin or just dead. Computer still work. I did warn him to save his work and copy it to his flash drive in case computer overheats or whatever. It's like 80F degrees in the room too due to the current heat wave.

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speedstep
Diamond

Re: Loud CPU fan in my dad's old Dell Optiplex GX260 machine.

If you arent going to replace the cpu fan take it out and oil the bearing.

http://www.dansdata.com/fanmaint.htm

 

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Ant
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Re: Loud CPU fan in my dad's old Dell Optiplex GX260 machine.

If you arent going to replace the cpu fan take it out and oil the bearing.

http://www.dansdata.com/fanmaint.htm

Thanks, this site doesn't seem to connect?

I thought this was a motherboard issue, and not the fan. I am confused.

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speedstep
Diamond

Re: Loud CPU fan in my dad's old Dell Optiplex GX260 machine.

Theres no such thing as one size fits all solution for all cases all the time.

You said the fan is not spinning.

http://web.archive.org/web/20080120013527/http://www.dansdata.com/fanmaint.htm

 

Report Unresolved Customer Service Issues here
I do not work for Dell. I too am a user.
The forum is primarily user to user, with Dell employees moderating
Contact USA Technical Support

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Ant
Bronze

Re: Loud CPU fan in my dad's old Dell Optiplex GX260 machine.

Theres no such thing as one size fits all solution for all cases all the time.

You said the fan is not spinning.

http://web.archive.org/web/20080120013527/http://www.dansdata.com/fanmaint.htm

 

Thanks. I will see if it is the fan. If that fails, then motherboard.

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