Windows 8 and 8.1 Forums

invalid signature

  1. #1

    Posts : 1
    windows 8

    invalid signature

    Got an hp envy from a friend who destroyed the master hard drive. I replaced the hard drive. When I tuen the computer on, I get an error; "Invalid signature detected. check secure boot policy in setup" The computer initially came with windows 8 and all I have are the 5 recovery discs. How do I get this working?

      My System SpecsSystem Spec

  2. #2

    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1

    Welcome to EightForums.

    Boot the first HP Recovery DVD in UEFI mode.

    Click image for larger version
      My System SpecsSystem Spec

invalid signature
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