Here is a test to see if you have good support... (Score 1)

from any computer manufacturer.

This only applies to Windows machines.

Call tech support and ask them to help you turn off ACPI steering. If they will not do it, it's time to find a new company to buy computers from.

Companies that will not help with this (from personal experience, mileage may vary.)

Gateway
Dell
Compaq
HP
Micron