Hi, if you got one of this mainboards and are willing to provide some info, please reply to here: Intel® Desktop Board DH61BE Intel® Desktop Board DH61CR Intel® Desktop Board DH61DL Intel® Desktop Board DH61SA Intel® Desktop Board DH61WW Intel® Desktop Board DH61ZE Intel® Desktop Board DQ67* Intel® Desktop Board DZ68* Gigabyte Gigabyte GA-970A-D3 Gigabyte GA-Z68* The latest UEFI should be running You need a tool therefore: rw everything portable which is found over there: http://forums.mydigitallife.net/threads/29789-RW-Everything-Latest-News Please make an ACPI report as described there and upload it to provide the info. You don't need to install something therefore. Additionaly a memdump would be helpful: At rw everything press memory dump. 3rd icon from the left hand side. Then press shift F2 and enter: start address : 000E0000 end address : 000FFFFF Press Ok button, save and upload the dump together with the ACPI report to sendspace.com So if you can do that please reply to here. Also if you have any question about it. Thanks.