Computer won't shut off or run

[phantomtres]

I have an emachine model 2042. I unplugged it and put it asidefor a week because I bought another computer, today I connected everything and powered it up . Without even pressing the on switch everytime I pluged the power cord to the electrical outlet the power would come on instantly but all it would do is make a clicking noise and the small indicator light on the front that shows that it's "on" would blink off and on. I would press the power switch to turn it off but nothing would happen. The only way to turn the power off is to unplug it and like I said as soon as I plug it in the outlet it starts making clicking noise's with the indicator light flashing. Also the monitor won't come on and the CD and DVD drives won't open either. I am at a complete loss because before I unplugged it for a week everything worked perfectly. I appreciate any suggestions.

[Panama Red]

Sounds like a dead power supply or hard drive from your description. Do you have another computer available so you can install the hard drive in it as a slave and run diagnostics on it?

[glc]

Hold the power button in for at least 5 seconds and release it. It may be stuck in standby mode.

[phantomtres]

Thank you for the help. It did turn out to be the power supply. Thanks to people like you it gives me the motivation to work and fix my own computer.