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  1. ActionJacksonHern

    iMac in the oven at 390°, now it won't turn on.

    I have a iMac 2011 27", EMC 2429, 2.7GHz, MC813LL/A, and I'm having problems. First one was the display shutting down randomly, likely due to the common problem with this iMac that Apple did recall here. After days of research, I found the most common fix (after the recall expired) was to...
    • ActionJacksonHern
    • Thread
    • boot loop emc 2429 gpu graphics card no power pcu recall screen black screen crash start up loop
    • Replies: 13
    • Forum: iMac
  2. cavedoll

    Upgrading my CPU (early 2009 4,1) advice?

    First post... Glad to be here! So, I've decided to overhaul my early 2009 Mac Pro tower. I've already upgraded the firmware from 4,1 to 5,1... upgraded the RAM from 16gb to 48gb (for now). Will be adding a PCI SSD boot disk and new GPU once I get the CPU sorted. So, next step is to upgrade my...
    • cavedoll
    • Thread
    • 12 core 2.93ghz 3.33ghz 3.47ghz early 2009 intel xeon mac pro pcu processor upgrade
    • Replies: 6
    • Forum: Mac Pro
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