That's ACPI shutdown, not OS-specific but motherboard specific AFAIK, it should work an all ACPI compliant systems...
Re:Windows' Undocumented “Emergency Restart”
by netsharc on Tuesday July 05, 2022 @06:02PM
(#31994308)
Indeed. And afaik, the specs say hold it for 4 seconds
Re:Windows' Undocumented “Emergency Restart”
by Kwpolska on Tuesday July 05, 2022 @02:08PM
(#31991661)
Remote access?
Re:Windows' Undocumented “Emergency Restart”
by WorldMaker on Tuesday July 05, 2022 @02:55PM
(#31992232)
BIOS issues? Though Ctrl+Alt+Delete might not work with a BIOS acting up either.
Are there any where holding the power button for 10-15 seconds doesn't work? This has always been a reliable technique for me, when using linux on numerous different laptops from different manufacturers.