error 99:09:62

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  • shakeskatse
    Junior Member
    • Apr 2016
    • 6

    error 99:09:62

    hi guys,i was trying to downgrade firmware on hp laserjet enterprise mfp m527 and the macine can't restart.PLEASE HELP
  • Lance15
    Service Manager

    Site Contributor
    1,000+ Posts
    • Jun 2015
    • 1071

    #2
    Re: error 99:09:62

    You can use the preboot menu to perform a full clean of the hard drive and then use the preboot menu with firmware on a USB stick to load the firmware version of your choice.

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