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My keyboard input fails. It usually occurs in the first 15 to 30 minutes of use. I begin typing and nothing appears. I use my mouse to exit and re-enter and sometimes this helps. Usually not much.

The next thing that happens is I can start repeatedly pressing a key such as a letter key. It can show up several seconds later and it enters all of the key presses creating a long stream of that particular letter. Backspacing has exactly the same result. Either does nothing or continues to back-space for every stroke.

The mouse seems to work fine.

I'm using a Logitech wireless keyboard and mouse – I believe it's the 560 model. However when I first built my computer I was using a hardwired Gateway keyboard and mouse (about 2 years old) and it did the same thing.

Thus I purchased a new wireless super duper keyboard and mouse. but no change. The wireless uses a USB port. The wired one used the keyboard port.

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So have you tried your keyboard on another machine? If so, I'd blame the motherboard. –  user3463 Jan 21 '12 at 21:32
    
In the first 15-30, and how often repeated? what is the average frequency of this happening? It cant be that often if you have lived with it for time. –  Psycogeek Jan 21 '12 at 23:23

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