Hi! When pressing Fn + Esc/FnLK on Lenovo T431s laptop, following dmesg log is generated: thinkpad_acpi: unknown possible thermal alarm or keyboard event received thinkpad_acpi: unhandled HKEY event 0x6060 thinkpad_acpi: please report the conditions when this event happened to ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx That key event toggles the function key lock. And here's more `dmesg |grep thinkpad_acpi` output: thinkpad_acpi: ThinkPad ACPI Extras v0.25 thinkpad_acpi: http://ibm-acpi.sf.net/ thinkpad_acpi: ThinkPad BIOS GHET24WW (1.09 ), EC unknown thinkpad_acpi: Lenovo ThinkPad T431s, model 20AAA00YMS thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx thinkpad_acpi: radio switch found; radios are enabled thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver thinkpad_acpi: Disabling thinkpad-acpi brightness events by default... thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked thinkpad_acpi: Console audio control enabled, mode: monitor (read only) Päikest, Priit Laes :) ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=157005751&iu=/4140/ostg.clktrk _______________________________________________ ibm-acpi-devel mailing list ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel