Comment 37 for bug 539477

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MatthiasA (themaze) wrote :

I tried acpi_osi=\"!Windows 2009\" on my Dell M4400 with ubuntu 10.04 64bit and it did not work.

(In grub I hit "e", entered acpi_osi=\"!Windows 2009\" into the last line and started ubuntu with Strg+x)

In Ubuntu the Video out hot key produces the letter "p" in Applications like Open Office and MS Office 2007.

I will try acpi_osi="!Windows 2009" as jfding wrote.