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I have an ASUS ZenBook 4GB solid state drive laptop, running Windows 7. Intermittently, I have noticed that 1 or the other built in USB ports fail, or the SD card reader fails (and the webcam only functions when I run Skype - but that may be another matter). There are no errors that I can find anywhere and no warning that the component will fail.

What may be causing this? Also, is there a way I can check to make sure these components are okay?

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"Fails" how exactly? Do the devices start working again after a restart? –  Karan Jul 6 '13 at 19:04
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