Acpi bios error on booting 18.04 lts in hp laptop. how to fix it?

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I already posted this today, but I think, it still might be helpful:

Please do yourself a favour when asking a question:

Write proper sentences and observe the rules of grammar, spelling and punctuation.

Also: Please describe as exactly as possible, step by step:

  1. What you are trying to do?
  2. What exactly did you do?
  3. What exactly happened?

If possible, add screenshots and/or terminal output.

If you’re not willing to spend that minimum of effort, you can’t expect people to understand, and much less, to help you.

In addition to that, please read:

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