Satallite Pro 440cdx does not power up - black screen

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  Hello biznatch.

  Thanks for posting on the Microsoft answers Community Forum.

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  http://h10025.www1.HP.com/ewfrf/wc/document?DocName=c00619385&LC=en&cc=us

  check on this site how to connect dvd cd players

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  2. 3 readers USB flash, in every port and they were not recognized or attached.
  3 uninstall all devices of USB root hub and rebooted. No change.
  4 uninstalled all the USB controllers and restarted. No change.
  5 install a logitech mouse driver that is the same as the mouse installed. The mouse has not always recognized.
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