My Dell XPS 700 Wont Turn On?
Then power ON. PC should beep once and prompt you to press F1 to set up BIOS. Just load fail-safe defaults, save and exit. PC will reboot and should be back to normal.
If problem still persists, check whether the noise is coming from PSU fan, cpu fan, CD drive or HDD. A problematic fan or drive could be the cause of problem that is why PC won't start. Usually, if cpu fan fails to reach normal rpm, safety feature on motherboard will activate auto-shutdown.
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