Hi imatrix, no, i doen't use any loader. I have flashed the bios with the program original from Fujitsu-Siemens (that what i send you). I have then the bios resetted, than i start windows7 and start the Slic_Toolkit and then i load the rw-file (AcpiTbl). I have check with "7loader 1.6" from Hazar, but this program say "no loader installed". What can I do? must i flash the bios with other parameters? please help me, and sorry my wrong english Skorpius