I have a desire to start my PC Dell Inspiron 9400, I set up a config 2 years ago. Following a change of the CPU cooler, the computer no longer lights, LED lights of the CM and the fans all turn good, but black screen (no signal), not bios and no noise from HD, and a series of beeps long enough, regular and identical. I unplugged everything and turned to locate the problem, it persists with my bare (without RAM), I even tried a few seconds without the new fan or changing the power supply. Please help.
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