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# Clevo P650RS

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The P650RS is a device by the Taiwanese OEM manufacturer Clevo. It is also sold as Sager NP8153-S and many other names. The hardware is configurable and includes an Intel Skylake Core i7, NVIDIA 1070M graphics, USB-C connectors, a fingerprint reader, mini DisplayPort as well as HDMI connections, and more.

## Graphics

The Clevo is available in switchable, and non-switchable configurations. In configurations with both integrated and discrete GPUs, the BIOS includes an an option (`MSHYBRID`) to disable the integrated card, rendering it the same as the dedicated GPU model.

### Discrete only

Given this laptop has a mux, it does not require PRIME configuration to make use of the dedicated graphics card in full even though it should be possible. Installation should follow NVIDIA after setting and booting with `DISCRETE` BIOS option.

Using the NVIDIA proprietary driver (testing with 375.20) the backlight may not come back on after the display has gone to sleep. A workaround is to drop to console (e.g. Ctrl-Alt-F2) and then back to X.

### Switchable / Optimus

Xorg may not work out of the box with a `no screens found` error.

Xorg selects the dGPU when in fact it is the integrated one that has the control of the screen. This is probably an issue only fixable with a BIOS update (testing against v1.05.03, it will not work).

To overcome this a xorg configuration file needs to be created telling xorg the correct address and driver combination. This can be done by creating (or adding the line with `BusID` in:

    /etc/X11/xorg.conf.d/20-intel.conf

    Section "Device"
            Identifier "Intel Graphics"
            Driver     "intel"
            BusID      "PCI:x:x:x"    # <<<< replace with correct address
    EndSection

Details and further advice can be found in pages Intel graphics and Xorg.

This will yield a working setup, but the dGPU will not be useable at all and will still be on and consuming quite a lot of energy.

To enable the use of the dedicated graphics card see Bumblebee.

Note: Automatic turn off of dGPU through bbswitch will not work with current version. There are two known related issues, see Bumblebee#Broken power management with kernel 4.8 and Bumblebee#Lockup issue (lspci hangs) for details. As a workaround, try adding boot parameters `pcie_port_pm=off acpi_osi=! acpi_osi="Windows 2009"`.

All DisplayPort and HDMI ports seem to be connected to the dGPU which involves extra steps to get them working.

## Power management

Using switchable graphics and standard TLP configuration, this laptop should manage ~10-14W of static load. YMMV of course.

The dGPU cannot be turned off automatically as a function of being in use at this moment though (see #Switchable / Optimus). If left on, the system will take >20W on idle though.

## Keyboard Backlight

For the white keyboard backlight, no special actions are required. However the RGB-backlit keyboard will not work out of the box.

To enable the Keyboard, the installation of the clevo-xsm-wmiAUR package is required.

The colors of the three sections can be controlled, after loading the kernel module, the special keys on the keyboard (`Fn++`, `Fn+-`, `Fn+*`, `Fn+/`) should work.

## Wi-Fi

Wi-Fi seems to work well and coexist nicely with Bluetooth. Consider enabling antenna aggregation to take the most out of the hardware: iwlwifi.

When using the clevo-xsm-wmiAUR package, the `Fn+F11` combination to toggle air plane mode also works.

## Webcam

As with the Clevo W840SU the webcam must be activated with `Fn-F10` before it will show up in the device list. This survives a reboot.

Category:

- Clevo

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