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I have an HP 4540S and installed all drivers, software security, but the finger print scanner on my laptop does not work in Windows 8.

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W8 Tutorial… – Moab Nov 2 '12 at 18:33

From HP's forums HP Probook 4540s: Fingerprint Scanner Not Working:

  • Open HP Protect tools.
  • Then go to administration in the bottom right corner -> Administrative Console -> Increase System security.
  • Tick Windows login security.
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