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DVD worked on MSI Z490 board with intel i7. With MSI Z690 board and intel i7, it won't boot with DVD plugged into SATA. Message "AHCI unavailable."

gabc2301
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    is it because in your boot menu in BIOS you have the CD drive set as the default boot media? – graham Jan 28 '23 at 17:35
  • Your question is rather unclear; any details in the title should also be provided in the question as not all browser setups show the title when when your question is viewed (not all of us large screen PCs). It seems to be a firmware setting that is incorrect, which is also specific to your motherboard (ie. a hardware question, not OS question). – guiverc Jan 28 '23 at 21:51
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    Does this answer your question? How to change boot priority? – karel Jan 29 '23 at 11:57
  • Boot priority does not include DVD drive. It may be the later MSI board. Booted with MSI Z490 and DVD worked. With MSI Z690 it did not work. – gabc2301 Feb 02 '23 at 21:50
  • Am new to this. Sorry to put in redundant question. But I added the tag "boot" which better described my problem. Does this site only deal with Ubuntu and not with its interaction with hardware? – gabc2301 Feb 02 '23 at 21:53
  • Is the AHCI a driver for the DVD? – gabc2301 Feb 02 '23 at 21:55

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