can someone help me. I have a msi gx660 its 16f1, i enter the advance bios by pressing "shift+ctrl+alt+insert", to my stupidity i enable the SC (switchable graphic) somewhere in the advance tab or in the northbridge i think i forgot it. then save and exit, after that, there no video display anymore, Things i did was to unplugged the ac , battery , holding down power button. Still didn't worked. I try to pull out the CMOS battery then leave for 15mins, short the battery, pressing the power button several times still didn't worked.... I try to recover the bios... , created a blank disc with my bios from the msi website provided to my gx660 , rename it to AMIBOOT.ROM, AMIBIOS.ROM, put in dvd drive, power on the laptop and PRESSING ctrl + home, there is an activity for about 2 second then gone waited for several minutes didn't hear any beep I try a FLASH DRIVE put in the bios , rename it to AMIBOOT.ROM, power on the laptop then pressing ctrl + home, there is an activity but just a fraction of a second then gone, waited for a beep sound nothing came out. try to shutdown by holding the power button for a while til gone but when i power on the laptop still nothing happened..... Please someone could help me, just share your any good idea what has to be done. I would think that this destroy my vcard? the 5870m. I try reseating it , even the memory, cpu , harddisk, i even pull out the led screen and use a extended lcd monitor still nothing happened. I'm hopeless..............