Reinstall start-up

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AccientMac Posts 1 Registration date Tuesday April 9, 2013 Status Member Last seen April 9, 2013 - Apr 9, 2013 at 01:03 PM
Hi,

I cleared out my iMac 5,1 last night and reinstalled the system. The problem is I had a different type of keyboard plugged in. I unfortunately held the shift key down too long and now it is stuck on trying to identify the keyboard. I tried plugging in the original keyboard, but it is still stuck. I also tried to quite but it told me that I needed to set up a password. What can I do to clear this? Please help! Mac is old, but I still love it. <3