Скачал биос с сайта Acer. Извлёк aml с помощью UEFITool. Выполняю iasl -d dsdt.dat
получаю в ответ :
iASL Warning: There were 8 external control methods found during disassembly, but only 0 were resolved (8 unresolved).
При запуске вижу кажды раз
[Firmware Bug]: AMD-Vi: IOAPIC[5] not in IVRS table
AMD-Vi: Disabling interrupt remapping