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Any assistance understanding what these messages mean and how I can fix them will be appreciated, Dell XPS 15 9510 - BIOS = 1.4.0

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    Those error messages about ACPI can usually be ignored if the system boots and works as expected. They are unrelated to the OS. Update UEFI. Aug 28, 2021 at 17:56
  • Edit your question and show me sudo dmidecode -s bios-version and tell me the EXACT make/model # of your computer or motherboard.
    – heynnema
    Aug 28, 2021 at 19:04
  • Added the requested information, thank you
    – logicito
    Aug 28, 2021 at 23:20
  • Your BIOS is current. Enter your BIOS, note what the crucial settings are, then find/select the "Reset to factory defaults". See if that helps.
    – heynnema
    Aug 29, 2021 at 2:51

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I am using Ubuntu 21.04, and I had installed Kernel 5.13, I went back to the original Kernel 5.11 and all the messages went away, I am going to wait for 21.10 with the newer Kernel.

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