A computer I recently upgraded with a new motherboard and processor and memory and power supply(basically replaced everything) turns on for a few seconds and then turns off again when I hit the power switch, nothing even gets displayed on the monitor yet either. What could possibly cause this?
ferretkwondo 0
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Jump to PostDid you apply thermal compound between the CPU and heat sink? Is the fan for the CPU running?
Jump to PostThat could cause overheating which would shut the computer down quickly.
Jump to PostDid you reformat the hdd and reinstall the OS after you installed the new motherboard?
The first thing that comes to mind with that description is overheating. Is the fan on the CPU heat sink working, is there any change if you leave the case open?
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