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As you may or may not know, enabling IGP via FN+F7 does not work when a Clevo 680M is used in the M18x. However, when an unlocked bios is used, you can go into the advanced menu section, then video configuration and force IGP as the primary display (rather than PEG). Once the system reboots, it'll be in IGP mode BUT and I can't stress this enough, DO NOT press FN+F7 to switch back to discrete else your system will go into an endless loop. If that happens, you have to take out the 680M and blind flash the system with a recovery usb. So save yourself the trouble and don't press FN+F7. To re-enable the PEG, just turn it back on as primary in the bios and reboot. I've been playing with the PowerXpress settings but none seem to be able to work with regards to FN+F7, I figured dynamic would do it but apparently not. UPDATE: The PARTIAL fix is very simple Download the unlocked A05 M18x-R1 Bios Boot into the Bios, go to advanced-->video configuration and change the display from PEG to SG (switchable graphics). Keep PowerXpress as FIXED MUX. Reboot and now you will be able to use FN+F7 to switch between discrete and IGP. NOTE: You will again need to set SG in the bios after using FN+F7 one time since it resets back to PEG. Thanks to @johnksss for the SG tip.