gpu-manager.log after switching to Prime profile Nvidia and rebooting Found "/dev/dri/card1", driven by "i915" output 0: eDP connector Number of connected outputs for /dev/dri/card1: 1 Does it require offloading? yes last cards number = 1 Has amd? no Has intel? yes Has nvidia? yes How many cards? 2 The number of cards has changed! Has the system changed? Yes main_arch_path x86_64-linux-gnu, other_arch_path i386-linux-gnu Current alternative: /usr/lib/nvidia-331/ld.so.conf Current core alternative: (null) Is nvidia enabled? yes Is fglrx enabled? no Is mesa enabled? no Is pxpress enabled? no Is prime enabled? no Is nvidia available? yes Is fglrx available? no Is fglrx-core available? no Is mesa available? yes Is pxpress available? no Is prime available? yes System configuration has changed Intel IGP detected Intel hybrid system Nvidia driver version 331.113 detected /sys/class/dmi/id/product_version="Not Applicable" /sys/class/dmi/id/product_name="W35xSS_370SS" 1st try: bbswitch without quirks Loading bbswitch with "load_state=-1 unload_state=1" parameters intel_matches: 1, nvidia_matches: 0, intel_set: 1, nvidia_set: 0 x_options_matches: 1 Check failed Removing xorg.conf. Path: /etc/X11/xorg.conf Regenerating xorg.conf. Path: /etc/X11/xorg.conf No need to change the current bbswitch status gpu-manager.log after rebooting with Prime profile Nvidia unchanged Found "/dev/dri/card0", driven by "i915" output 0: eDP connector Number of connected outputs for /dev/dri/card0: 1 Does it require offloading? yes last cards number = 2 Has amd? no Has intel? yes Has nvidia? yes How many cards? 2 Has the system changed? No main_arch_path x86_64-linux-gnu, other_arch_path i386-linux-gnu Current alternative: /usr/lib/nvidia-331/ld.so.conf Current core alternative: (null) Is nvidia enabled? yes Is fglrx enabled? no Is mesa enabled? no Is pxpress enabled? no Is prime enabled? no Is nvidia available? yes Is fglrx available? no Is fglrx-core available? no Is mesa available? yes Is pxpress available? no Is prime available? yes Intel IGP detected Intel hybrid system Nvidia driver version 331.113 detected /sys/class/dmi/id/product_version="Not Applicable" /sys/class/dmi/id/product_name="W35xSS_370SS" 1st try: bbswitch without quirks Loading bbswitch with "load_state=-1 unload_state=1" parameters intel_matches: 1, nvidia_matches: 1, intel_set: 1, nvidia_set: 1 x_options_matches: 4 No need to modify xorg.conf. Path: /etc/X11/xorg.conf No need to change the current bbswitch status gpu-manager.log after switching to Prime profile Intel and rebooting Found "/dev/dri/card0", driven by "i915" output 0: eDP connector Number of connected outputs for /dev/dri/card0: 1 Does it require offloading? yes last cards number = 2 Has amd? no Has intel? yes Has nvidia? yes How many cards? 2 Has the system changed? No main_arch_path x86_64-linux-gnu, other_arch_path i386-linux-gnu Current alternative: /usr/lib/nvidia-331-prime/ld.so.conf Current core alternative: (null) Is nvidia enabled? no Is fglrx enabled? no Is mesa enabled? no Is pxpress enabled? no Is prime enabled? yes Is nvidia available? yes Is fglrx available? no Is fglrx-core available? no Is mesa available? yes Is pxpress available? no Is prime available? yes Intel IGP detected Intel hybrid system Nvidia driver version 331.113 detected /sys/class/dmi/id/product_version="Not Applicable" /sys/class/dmi/id/product_name="W35xSS_370SS" 1st try: bbswitch without quirks Loading bbswitch with "load_state=-1 unload_state=1" parameters Removing xorg.conf. Path: /etc/X11/xorg.conf Moved /etc/X11/xorg.conf to /etc/X11/xorg.conf.03092015 Powering off the discrete card Unloading nvidia-uvm with "no" parameters Unloading nvidia with "no" parameters gpu-manager.log after reboot with Prime profile Intel unchanged Found "/dev/dri/card0", driven by "i915" output 0: eDP connector Number of connected outputs for /dev/dri/card0: 1 Does it require offloading? yes last cards number = 1 Has amd? no Has intel? yes Has nvidia? yes How many cards? 2 The number of cards has changed! Has the system changed? Yes main_arch_path x86_64-linux-gnu, other_arch_path i386-linux-gnu Current alternative: /usr/lib/nvidia-331-prime/ld.so.conf Current core alternative: (null) Is nvidia enabled? no Is fglrx enabled? no Is mesa enabled? no Is pxpress enabled? no Is prime enabled? yes Is nvidia available? yes Is fglrx available? no Is fglrx-core available? no Is mesa available? yes Is pxpress available? no Is prime available? yes System configuration has changed Intel IGP detected Intel hybrid system Nvidia driver version 331.113 detected /sys/class/dmi/id/product_version="Not Applicable" /sys/class/dmi/id/product_name="W35xSS_370SS" 1st try: bbswitch without quirks Loading bbswitch with "load_state=-1 unload_state=1" parameters Removing xorg.conf. Path: /etc/X11/xorg.conf Moved /etc/X11/xorg.conf to /etc/X11/xorg.conf.03092015 Powering off the discrete card Unloading nvidia-uvm with "no" parameters Unloading nvidia with "no" parameters