Comment 3 for bug 806434

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Stephen Rees-Carter (valorin) wrote :

Following some questions in an AskUbuntu Question I posted (http://askubuntu.com/questions/51983/unable-to-install-boot-11-04-on-a-thinkpad-l520), I have discovered that any of these boot options get the installer working: acpi=off, noapic & nolapic.

From a brief googling, I am worried about using acpi=off as it apparently stops the fan from turning on?

What do these options do, and what downsides/issues will I encounter if I use them?