PowerMac G5 fan problem?

Discussion in 'PowerPC Macs' started by iLucas, Feb 10, 2011.

  1. macrumors 6502

    Feb 5, 2011
    Recently purchased a dual 1.8ghz powermac g5 for pretty cheap, and overall i'm impressed with the deal i got. it came with 2 gb of ram, but i upgraded to 4 gb.
    the only thing is though is that when i first power it on, it runs fine for the first 5-10 minutes then the fans start to speed up until it sounds like a jet engine. i shut it down and turn it back on and it doesnt do it on the second start up...

    anyone know what causes this problem?
  2. macrumors newbie

    May 5, 2008
    it's getting hot and before melting down it increase the fan.

    Check the air intake, is it full of dust ?

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