Hi. I have bought used Corasir HX 450W power supply and have an annoying problem. I have a PC case with PSU situated on the top of it. Whenever I install this PSU in it and close the cover the computer shuts down after a while. If I let the case open everything is fine. I'm using mATX AM3 motherboard with integrated graphics and am cooling the CPU with big Scythe cooler. With it the CPU idles at circa 40°C/104°F.
I tried two different PSUs and none of them shows this symptom. The integrated GPU (in the northbridge) gets pretty hot but I'm sure it's not hot enough to overheat the PSU. When I put my hand on the vent side of the PSU I can feel warm air but nothing dramatic. I presume there is something broken inside but I have no idea where to look. Will somebody help me? I have some skill with soldering iron.
I have attached some photos of the internals of the PSU. Thanks in advance!
I tried two different PSUs and none of them shows this symptom. The integrated GPU (in the northbridge) gets pretty hot but I'm sure it's not hot enough to overheat the PSU. When I put my hand on the vent side of the PSU I can feel warm air but nothing dramatic. I presume there is something broken inside but I have no idea where to look. Will somebody help me? I have some skill with soldering iron.
I have attached some photos of the internals of the PSU. Thanks in advance!
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