On 30.01.2011 20:51, Larry Finger wrote:
The nature of that Fn-F2 key depends on how the motherboard manufacturer coded their BIOS. Most do it as a toggle and use some WMI (Windows Management Interface) code to initialize it on boot up. As this no-name laptop is unlikely to have a WMI driver the way that name brands do, it probably generates a keystroke. That is easy to check - Use CTRL-ALT-F1 to switch to a console, log in, and issue the command "showkey". Is a keycode returned when Fn-F2 is pressed?
Hmm I've got it. So maybe taking look at the ACPI tables/WMI block can reveal a way to initialize the toggle? I'm not really experienced in these things but I'll take a look out of curiosity.
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