Help!!!

[tyncamsmom]

My power button comes on, but my monitor, cd rom, dvd rom, keyboard, mouse and hard drive isn't booting up or turning on! What could it be????? I don't know much about computers.

TIA

Pam

[ECA]

ummm...
power supply?

[ECA]

what computer you got, and whats the power supply...??
HP, DELL dont make the best..