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System76 
Serval WS (serw11) 
Service Manual 
 
 
 

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Summary of Contents for System76 Serval WS

  • Page 1         System76  Serval WS (serw11)  Service Manual       ...
  • Page 2: Revision History

                                                                    System76 Serval WS (serw11) Service Manual  1   ...
  • Page 3: Table Of Contents

    Replacing the CMOS battery  Steps to replace the CMOS battery  Replacing the internal battery  Steps to replace the internal battery  Replacing the WiFi/Bluetooth module  Steps to replace the WiFi/Bluetooth module  BIOS utilities  System76 Serval WS (serw11) Service Manual  2   ...
  • Page 4   Updating the BIOS  BIOS overview  Main menu  Advanced  Security  Boot  Specifications                System76 Serval WS (serw11) Service Manual  3   ...
  • Page 5: Hardware Overview

      Hardware overview  External overview  Ports overview  The Serval WS provides multiple connectivity options.    15”    Left side overview        Right side overview        Front side overview    Back side overview         ...
  • Page 6 17”    Left side overview        Right side overview        Front side overview    Back side overview                        System76 Serval WS (serw11) Service Manual  5   ...
  • Page 7: Bottom Case Screw Sizes

          Bottom case screw sizes  The Serval WS has uniform size screws for securing the bottom case, battery and  keyboard. M.2 drives and the GPU/Heat Sink fastenings have specialized screws.  System76 Serval WS (serw11) Service Manual  6   ...
  • Page 8                       System76 Serval WS (serw11) Service Manual  7   ...
  • Page 9: Front Led Overview

    The light will be on when Caps Lock is enabled.    Green  The light will be on when Scroll Lock enabled.    Off  MSHYBRD Mode for GPU  Green  Discrete Mode for GPU        System76 Serval WS (serw11) Service Manual  8   ...
  • Page 10: Hardware Keyboard Shortcuts

      Hardware keyboard shortcuts  Your Serval WS has several actions available using the Fn and numbered Function keys.    Key  Shortcut  Action  Fn+F1  Toggle trackpad    Fn+F2  Toggle built-in LCD    Fn+F3  Mute    Fn+*  Toggle keyboard backlight    Fn+F5 ...
  • Page 11: External Displays

      External displays  The Serval WS has two standard Mini DisplayPorts (MiniDP) and one HDMI 1.4b.  Internal component overview  Below is a color-coded diagram of the Serval WS’s internal components.    CPU fan is highlighted in ​ c yan  GPU fan is highlighted in ​ l ight orange ...
  • Page 12: User-Serviceable Parts And Repairs

      User-serviceable parts and repairs  Many components on your Serval WS can be upgraded or replaced as necessary. Follow  these step-by-step guides for instructions.    Removing the bottom cover  Removing the cover is required to access the internal components. There are two ...
  • Page 13   Photo guide for bottom cover removal/replacement    1. Serval WS lid-side-down.                              System76 Serval WS (serw11) Service Manual  12   ...
  • Page 14: Replacing The Keyboard

    Photos are provided in order below these steps.  1. Find a surface suitable for work. A desk or table works well.  2. Place something soft on the table, like a towel or anti-static mat.  System76 Serval WS (serw11) Service Manual  13   ...
  • Page 15: Photo Guide For Keyboard Replacement

    18. Boot your Serval WS and confirm the keyboard is operational.  Photo guide for keyboard replacement  1. Serval WS lid-side-down. There are two keyboard screws and one has a red circle  while the other one has a red and blue circle indicating the keyboard push point. ...
  • Page 16                                       System76 Serval WS (serw11) Service Manual  15   ...
  • Page 17   2. Serval WS on its side.                                  System76 Serval WS (serw11) Service Manual  16   ...
  • Page 18   3. Screwdriver in keyboard push point.                                    System76 Serval WS (serw11) Service Manual  17   ...
  • Page 19   4. Gently lift the keyboard away from its slot, then slide the keyboard free of its grooves.          System76 Serval WS (serw11) Service Manual  18   ...
  • Page 20: Replacing The Ram

    Steps to replace the RAM  1. Follow the steps above to remove the cover.  2. Press the small tabs on both sides of the RAM simultaneously.  3. Remove the RAM from the slot.  System76 Serval WS (serw11) Service Manual  19   ...
  • Page 21: Photo Guide For Replacing The Ram

    RAM until it clicks into place.  Photo guide for replacing the RAM  1. Press the tabs, indicated in red, outward to release the RAM from the slot.        System76 Serval WS (serw11) Service Manual  20   ...
  • Page 22: Replacing An M.2/Nvme Ssd

    M.2 SSDs offer, at minimum, SATA3 speeds and performance in a package about the  size of a stick of gum. NVMe M.2 SSDs offer even higher performance. The Serval WS  supports two M.2 SSDs, size 2280, either M.2 SATA or NVMe M.2 PCIe Generation 4. ...
  • Page 23: Replacing The Cpu Fan/Cpu Heatsink/Thermal Paste

    8. Replace the screws, starting with #1, then #2, and lastly #9. Do not fully tighten  sets #1-#4 and #5-#8 until all are in place, then fully tighten all screws for each  set (#1-#4 and #5-#8)  System76 Serval WS (serw11) Service Manual  22   ...
  • Page 24   There are 15 Screws in total securing the fans and heat sink.            System76 Serval WS (serw11) Service Manual  23   ...
  • Page 25     System76 Serval WS (serw11) Service Manual  24   ...
  • Page 26 3. Remove the GPU card. Once the fans and heat sink are removed the GPU can be  pulled out similar to removing RAM (without the clips) and then the power and  data cable can be disconnected from the GPU.      System76 Serval WS (serw11) Service Manual  25   ...
  • Page 27: Replacing The Cmos Battery

    The CMOS battery supplies power to the Serval WS’s CMOS chip. Changes you make to  the BIOS and the computer’s hardware clock are stored on the CMOS. If your Serval WS  doesn’t boot, you can reset the CMOS to force a low-level hardware reset. If your clock ...
  • Page 28: Replacing The Internal Battery

    Steps to replace the external battery  1. Move the locks that hold the battery and then remove the battery.  2. Place the new battery in and then place the locks in the locked position.    System76 Serval WS (serw11) Service Manual  27   ...
  • Page 29: Replacing The Wifi/Bluetooth Module

      Replacing the WiFi/Bluetooth module  Your Serval WS’s WiFi and Bluetooth are both handled with the same module. It is a  standard M.2 2230 slot with PCIe & USB Interfaces (A Key).      Tools required: ​ C ross-head (Phillips) screwdriver ...
  • Page 30: Bios Utilities

      BIOS utilities  When starting your Serval WS, it takes a few seconds to conduct a quick check of the  components. As it proceeds, it will notify you if anything is wrong. Any issues that  prevent the system from booting will be displayed and you will be prompted to enter the ...
  • Page 31 When enabled the system firmware does not initialize the  keyboard or check for firmware menu key  > Software Guard  Enable or disable Intel SGX (Software Guard Extensions.)  Extensions (SGX)  ME State  Intel Management Engine. Recommended to Disable.  System76 Serval WS (serw11) Service Manual  30   ...
  • Page 32 Enable or Disable BIOS support for TPM 2.0 security  Support  device.     Administer Secure Boot  Option  Description  Secure Boot  Enables support for Secure Boot. This is not recommended  or required for Ubuntu/Pop!_OS.  System76 Serval WS (serw11) Service Manual  31   ...
  • Page 33 Four 260 Pin SO-DIMM Sockets  Supporting ​ D DR4 2400 MHz​ Memory  (With support up to ​ 3 000 MHz​ )   Modules (real operational frequency  depends on the FSB of the processor)    System76 Serval WS (serw11) Service Manual  32   ...
  • Page 34   Slot 2​ for SSD M.2 2280 Card with SATA/PCIe Gen3 x4 Interface (M  Key)    Slot 3 ​ f or SSD M.2 2280 Card with SATA/PCIe Gen3 x4 Interface (M  Key)  System76 Serval WS (serw11) Service Manual  33   ...
  • Page 35 15.6”​ : 7.5 lbs. (3.40 kg.)     17.3”​ : 16.46” x 11.63” x 1.61” (418.1 x 295.4 x 40.9mm)  17.3”​ : 8.6 lbs. (3.9 kg.)  base weight, varies with configuration.      System76 Serval WS (serw11) Service Manual  34   ...

This manual is also suitable for:

Serw11

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