My Dell started to just shutdown on boot in the last couple of days. The only thing different is that the heatsink fan has started to make a louder noise. It still seems to be functioning, but I can't think of anything else to cause the kind of behavior (just turns off) than a CPU heat issue. Anything else anyone can think of before I replace this heatsink?
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Can be many issues. What is the model of your Dell and the version of windows you are running.
What indications do you see on the system such a the color and condition of the power button light?
Home Built Sandy Bridge P8P67 i7 2600k @ 4.5 GHz 8gigs GSkill Ripjaws. Corsair 800D Case and AX1200 Ps X-Fi Titanium Fatal1ty pro PCIe Sound Card
Dell Studio XPS 1645 Window 10 Pro
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