[angellady]

The on/off switch of a Dell Dimension 2400 clicks, but hard drive will not turn on. have tried unplugging from back of computer and replugging, and also holding in switch for 10 seconds. Any other suggestions?

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If you are pressing the power button and nothing is happening at all, I would say that your power supply has gone dead. Don't worry, it's a common issue and is easily repaired. If you don't know much about computers, either perform the repair very carefully, or have someone else do it. The power supply is nothing to joke around with... Just go to the computer store and buy a power supply with the same wattage as the current one. They should have installation instructions.

[Facedown98]

If you are pressing the power button and nothing is happening at all, I would say that your power supply has gone dead. Don't worry, it's a common issue and is easily repaired. If you don't know much about computers, either perform the repair very carefully, or have someone else do it. The power supply is nothing to joke around with... Just go to the computer store and buy a power supply with the same wattage as the current one. They should have installation instructions.

[angellady]

Thank you so much, I really appreciate it. I am technically challenged so I will be very careful. How do I know the wattage is now?

[Scrilla]

It usually says on a small switch on the back of the power supply or has it written out on the side.