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  1. greblos

    HP 6300/8300: upgrade UEFI firmware on existing system?

    Just following up now that I've applied the system ROM update. I documented all of my UEFI setup parameters before making any changes. I made sure Clover was fully updated. I then updated from flash drive via the UEFI setup utility and the "Flash System ROM" option. After applying the update...
  2. greblos

    HP 6300/8300: upgrade UEFI firmware on existing system?

    Thanks trs96, I remembered I could do the update via a flash drive and the UEFI setup screen, but I'm wondering if the update is likely to break my existing Mac OS install in some way.
  3. greblos

    HP 6300/8300: upgrade UEFI firmware on existing system?

    Has anybody updated to HP UEFI firmware 3.06 on a HP 6300 or 8300 with an existing Mac OS install? My 8300 CMT has 2.99. I'm running High Sierra 10.13.4 (without the latest supplemental update) and using the Nvidia web driver for my GTX 1050 Ti. Everything else is set up per the Sierra/High...
  4. greblos

    [Guide] HP 6300 Pro / HP 8300 Elite - A 100 percent Working and Easily Affordable CustoMac

    This sounds a lot like the "POST Delay" option in the HP's UEFI System Setup. It's under the "Advanced Options" menu. It can be set to off, 5 sec, 10 sec, and so on. I have mine set to 5 seconds to give me a better chance of hitting ESC or F10 at the right time.
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