Essaye ça dans le bios, section Power Management setup :
ACPI Suspend Type >> S3
USB Wake Up from S3 >> Disabled
Modem Ring Resume >> Disabled
PME Event Wake Up >> Disabled
HPET Support >> Enabled
Power On By Mouse >> Disabled
Power On By Keyboard >> Disabled
ErP Support >> Enabled
Si t'as pas ça précise ta config ^^