HP M551 Blank Display and Heartbeat LED Flashes twice

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  • Solotime
    Trusted Tech

    100+ Posts
    • Feb 2009
    • 223

    #1

    HP M551 Blank Display and Heartbeat LED Flashes twice

    Customer brought in this printer in for service suspecting a lightning strike. Printer would boot up saying checking disk and get to around 38% before eventually throwing a 98.00.0C error. As per the manual, firmware corruption is suspected so I performed the disk clean function and upon reboot I got the expected non bootable device error. I turned off the printer, inserted the usb thumb drive with the firmware file on it and turned the printer back on. Now all I get is the printer going through the normal boot up sound and the display lights up but no characters on the screen. The heartbeat LED flashes twice over and over.
    With this condition I can not get into the mode to install the new firmware. I have tried removing and re-installing the formatter. The printer will print the engine test page and I have ethernet connectivity light. I can not connect to the printer via ethernet.
    Any help would be appreciated.
    Thanks
  • Solotime
    Trusted Tech

    100+ Posts
    • Feb 2009
    • 223

    #2
    Re: HP M551 Blank Display and Heartbeat LED Flashes twice

    Update: The SSD is what is causing the no display/blank display. Once I removed it and reboot I get my display back. I then installed the firmware and it completed ok but when rebooting it comes back to device not bootable / reload firmware. So I am thinking the SSD must be installed to be able to re-install the firmware?
    I sent the SSD out to a tech to see if it can be read or reformatted.
    Thanks

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