iMac fan going full blast, why?

Discussion in 'iMac' started by 2012Tony2012, Jun 15, 2013.

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  1. 2012Tony2012, Jun 15, 2013

    2012Tony2012 macrumors 6502a

    2012Tony2012

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    #1
    Never happened before, turned on my iMac this morning and it's making a very loud noise, seems to be the fan and it's a freezing cold morning, so I don't know why it's going off like crazy? Any ideas please? :confused::confused:
     
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  2. SandboxGeneral, Jun 15, 2013

    SandboxGeneral Moderator

    SandboxGeneral

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    #2
    Have you tried to restart it and if so does the fan continue still?

    Have you made any hardware changes to the computer recently?
     
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  3. Brownblades11, Jul 16, 2013

    Brownblades11 macrumors newbie

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    Jul 16, 2013
    #3
    Yeah i've got the same issue. Yeah I've just upgraded the graphics card, but I've also done the SMC reset a few times but hasn't worked, so would love to know what the fix is. Thanks
     
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  4. SandboxGeneral, Jul 16, 2013

    SandboxGeneral Moderator

    SandboxGeneral

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    #4
    Which iMac do you have? Did you happen to remove your hard drive or SSD and to put it back? Did you forget to reconnect any connections?
     
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