Comment 220 for bug 752542

$ sudo dmidecode -s system-product-name && sudo dmidecode -s system-version
TOP2
To be filled by O.E.M.

$ lspci -vnnn | perl -lne 'print if /^\d+\:.+(\[\S+\:\S+\])/' | grep VGA
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0116] (rev 09) (prog-if 00 [VGA controller])
01:00.0 VGA compatible controller [0300]: nVidia Corporation Device [10de:0df5] (rev a1) (prog-if 00 [VGA controller])

My laptop is Tong Fang H41K. I used test_off.sh in api_call and found method "\_SB.PCI0.PEG0.PEGP._OFF" called ok. But nvidia or nouveau driver still cannot find device.