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Extreme4 Z390: 5 beeps when no screen is attached

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maciejos78 View Drop Down

Joined: 04 Jul 2019
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Post Options Post Options   Thanks (0) Thanks(0)   Quote maciejos78 Quote  Post ReplyReply Direct Link To This Post Posted: 12 Jul 2019 at 2:33am
Hi AsRock team,

I made some progress that gives me suspection, that the issue is caused by the motherboard. Here is why:

  1. Reassembing the PC didn't brought any progress

  2. Updating UEFI to 4.10 didn't solve the issue

  3. Enabling Compatibility Support Mode in UEFI causes, that system boots every time - no more five beeps

  4. If the display is attached to any of digital ports, it must be turned on within the first seconds since powering PC, to be recognized by motherboard

  5. If the display attached to digital port was not recognized at POST time, the PC must go over power cycle - hard or soft reset does not bring it to life

  6. The same applies to display attached to discrete card(!)

  7. The issue does not occur for analog port on motherboard(!)

Are there any settings, that are giving priority to analog port over digital ports? Is there anything I could do to make digital ports be default one?
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