Guest polanskiman Posted October 5, 2023 Posted October 5, 2023 Hello, Recently wanted to upgrade my cMP 2009 with a new GPU but soon discovered that my cMP was behaving strangely so I put a hold on the GPU purchase. Current specs are: - cMP 2009 cross flashed with 5.1 BootROM. - 48GB Ram - 2 * X5670 CPUs - original ATI Radeon HD 4870 GPU - 4 drives one being an SSD connected below optical drive - MacOS El Capitan There is no other mods to this cMP. I hadn't used the computer for quite a while. When I went to turn it on last week it would hard shut... Read more Source: MacRumors
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