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I have an iMac running OS 10.5.8. The Lower case letter "Q" is not working in any of my programs including TEXTedit. Does anyone have any ideas?

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2  
maybe try another keyboard? – bitsMix Nov 18 '11 at 2:56
6  
Please expand on what you mean by "not working". When you press the "q" key in a text editing box, do you mean that nothing is typed? Are you able to type the capital letter "Q" using shift-q? What about turning on capslock and pressing "q"? – daxelrod Nov 18 '11 at 3:04

To investigate keyboard problems on the Mac, it may help to activate the on-screen keyboard viewer. Here are some Instructions at Gigaom.com (Mac 101).

Your dialog box may vary slightly, but I think you'll figure it out. If you press a key and it doesn't light up on the keyboard view, I'd say your keyboard is bad.

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If after checking the keyboard viewer and all key combinations and the Q key still does not work, trying hooking the keyboard up to another computer. If it still fails to work its safe to say that the Q switch has failed. If your iMac is still under warranty try contacting Apple-Care for a replacement keyboard. Other wise its time to go shopping for a new keyboard.

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