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What causes random clicking/navigation sound while PC is idle?

What causes random clicking/navigation sound while PC is idle?

On my Dell D630 laptop running Windows XP Pro SP3, I randomly hear the "Windows Navigation Start.wav" played. This happens even if the only application active on the PC at the time is Microsoft Outlook and no one is touching the keyboard or touchpad. The start navigation sound IS enabled for Internet Explorer (I have IE 7 installed), but it is not running (no window open, anyway).

Asked by: Guest | Views: 91
Total answers/comments: 1
Guest [Entry]

Unfortunately it won't help you as you're on XP, but for people on Vista and above you can track down the source of strange noises by opening the volume control window. It has a volume slider (and mute button) per app that's running and flashes the one that's making noise at the time. I've used this in the past to track down a strange noise.