G5 Fan problems

October 18, 2003 at 10:38 pm | Posted in Macintosh | 3 Comments

Much has been said about the industrial design of the G5 — the ease of accessing components for upgrading and repair. Unfortunately, innovative design was not applied to the power supply; there have been reports of noisy fans coming from the bottom of the unit. One G5 owner tracked down the noise on his computer and wrote this page telling how to repair/replace the PSU fan. Needless to say, it’s a heck of a lot more difficult than a similar operation on a generic white-box PC. I admire those who are on the bleeding edge of Mac technology. It’s good stuff, but I wish the company would treat us better, given that we pay a premium price for a premium product. Having a Cube these past couple of years, noise levels are a consideration, along with performance and expandability.

Spending $100 worth of labor and time on a $5 fan does not make sense. I’ve said before that Apple would make a mistake in the design of the G5 similar to their mistake on the “Windtunnel” G4s – the operation of the entire machine dependent on unreliable parts. They should have taken some of the effort designing the enclosure to make the PSU more easily accessible; a pop-out compartment at the bottom similar to the ones on PowerBooks would have made these kinds of problems easy to fix.

I think I’ll wait for Rev. B.


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  1. Hi,

    I got G5 since 4 months and very surprise with 2 fan at the Drive bay so loundly just loundly than the G4 one…so I take that 2 fans off from the mothercard and so it just quiet like nothing happen but the thing worth is my hard drive are so hot like hell…I cant plug that 2 fans back because sound like jet…even my clear cover inside have to take out too because the sensor when it detect it make all the fans inside full speed…any one have this problem?



  2. Elise:

    No, I don’t have a G5, but there are a few where I work that I’ve looked at and they’re pretty quiet. However, when you take the side panel off, the fans get really loud and it does sound like a jet engine. I’m sure most G5s are quiet, but I’m documenting the kinds of frustrations those who are unlucky enough to get a bad machine.

  3. Hi Alex,

    Did your fans make your computer sound like it was ready to take off?

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