bios dsdt problem at boot

[Member roland]

I wish to boot with the following command in an appropriate place

[ acpi=copy_dsdt (20160930/tbutils-123) ]

as suggested after message [ ACPI Bios error (bug) the DSDT has been corrupted or replaced ]

Is there a file where I can place this command or some other regular means of achieving this?
Thanks in advance.

I have not risked rewriting the bios at this stage. The problem appeared when I moved up from 16.3 to 17.3,
System is completely up to date but is a very old Acer Travelmate 4100 in flaky condition

Attachments:

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   acpi_error.jpg
   

[Anonymous]

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also here it seems to be the file /etc/udev/rules.d/70-persistent-net.rules

Start a live system /terminal; become root; locate the file and delete it.
Restart

[Member roland]

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Thanks for that suggestion. I deleted the file, but the boot condition occurred just as before. In addition the deleted file was found to be present again, when I checked.

I would like to include the suggested boot line if there is some organised place where it can be put.

This laptop does not behave just as expected in certain ways that I thought may be related to the warning about the bios corruption. For example the start of message or cursor position moves at times while typing text into a buffer, resulting in the buffer text moving around, thus containing rubbish if not carefully watched. I am using English (GB) with a Spanish (ES) keyboard and a USB mouse which does not disable the finger pad and laptop buttons.

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