Mas v BIOSe povolene ACPI, nemenil si tu polozku po instalacii Windows? Co si s tym PC robil ked to prestalo fungovat? Fungovalo to predtym? Mas v ovladacie panely - energia kartu o "APM" (advanced power management, resp. "vylepsene rizeni spotreby")? Ak ano mas zaskrtnute nech to pouziva?