USB mouse and keyboard not responding

I had a power outage yesterday and my iMac was on. I have since tried to start it and my keyboard and mouse are not responding and I get a message that the date on my computer has gone back to before March of 2001. I need help, my hardware warranty just expired and I really don't want to take in it and have to pay $100! Also I put in my start up CD and now I can't get it to eject. Please HELP!!!!!

Does the keyboard and mouse work after the computer boots up? Try unplugging them and plugging them back in. Make sure to plug them in directly to the computer. If it still is not working try the mouse and the keyboard separately one at a time. Look to see is the caps light comes on the keyboard and look to see if the mouse lights up. To set the date and time go to your System Preferences/Date & Time and put a check in the box that says Set date and time automatically(assuming you are connected to the internet). If you can get this far go to System Preferences/Startup Disk and select the install disk as your startup disk and click restart. When it boots up to the disk, instead of going through the installation, click on Utilities at the top and run Disk Utility on your hard drive.

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    Any advice/thoughts/suggestions appreciated:
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    Try the SMC reset again, only this time wait 5 minutes in set 3 instead of fifteen seconds.
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    2. Unplug the computer's power cord.
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    4. Attach the computer's power cord.
    5. Wait five seconds, then press the power button to turn on the computer.

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    Dear Customer,
    Welcome and Thank you for posting your query on HP Support Forum
    It looks like you are having issues with the Keyboard on your Notebook.
    We will surely assist you with this.
    Let’s start with a questions.
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    2. Is there any Dust settled on the Notebook Keyboard
    3. Are there any Keys which are fallen off / Any Keys which are loose
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    http://h10025.www1.hp.com/ewfrf/wc/document?docname=c03738933&tmp_task=solveCategory&cc=us&dlc=en&lc...
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    **Click the KUDOS star on left to say Thanks**
    Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.
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    K N R K
    I work on behalf of HP

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