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ASUSTeK COMPUTER Chromebox 5 Self Repair Instructions

Rma shim flow for self-repair
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ASUSTeK Computer Inc.
[Chromebox 5 / CN67]
RMA Shim Flow for Self-Repair

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Summary of Contents for ASUSTeK COMPUTER Chromebox 5

  • Page 1 ASUSTeK Computer Inc. [Chromebox 5 / CN67] RMA Shim Flow for Self-Repair...

  • Page 2: Table Of Contents

    Index Index 1 RMA Shim Flow for Self-Repair ........................2 Introduction ..................................2 Preparation ..................................2 Create RMA Shim Bootable USB Drive ........................2 Disable Hardware Write Protection ........................... 7 Enter Developer Mode (DEV Mode) .......................... 8 Enable USB Boot & Install RMA Shim ........................10 Finalize Device Information ............................

  • Page 3: Rma Shim Flow For Self-Repair

    RMA Shim Flow for Self-Repair Introduction After replacing the motherboard, memory or Wi-Fi module, the RMA shim flow must be performed to reinstall the firmware, software, and device information of the Chromebox. Please make sure the device is deprovisioned before you start. Please visit here for more information about deprovision a device.
  • Page 4 3) Click Add extension. 4) Click extension icon on the browser, find and click Chromebook Recovery Utility. 5) Insert the USB drive and then click Get started.
  • Page 5 6) Click ① Select a model from a list, find ② The name of the Chromebook model you want to restore, and click ③ Continue.
  • Page 6 1) Click ① USB Flash inserted, and click ② Continue. Click ③ Create now*. Click ④ Done to finish the creation. *The process takes a while and please don’t shutdown the system or all the data and partitions on this USB drive will be deleted.

  • Page 8: Disable Hardware Write Protection

    Disable Hardware Write Protection Hardware Write Protection needs to be disabled before installing the RMA shim on a Chromebox. Please ensure that the device is powered off and that the AC power cord is unplugged before proceeding with the following steps. 1) Remove the bottom cover and locate the Write Protection Pin.

  • Page 9: Enter Developer Mode (Dev Mode)

    Enter Developer Mode (DEV Mode) 1) Connect to AC power, press and hold Recovery Button with a paper clip, and then press Power Button to power on the device. 2) Press Ctrl + D when the following message appears. 3) Press Recovery Button with a paper clip when the following message appears. The system will reboot automatically.
  • Page 10 4) Press Ctrl + D when the following message appears. The system will reboot again. 5) Following messages will appear during the process. 6) Please press Ctrl + Alt + F2 to enter VT2 (Developer Console) when OOBE shows up.

  • Page 11: Enable Usb Boot & Install Rma Shim

    Enable USB Boot & Install RMA Shim 1) Enter Username & Password: root / test0000 2) Enter command: crossystem dev_boot_usb=1, then plug in the USB drive, and then enter command: reboot During system reboot, continuously tap Ctrl + U (long press Ctrl, then tap U) to initiate the installation process.
  • Page 12 4) Press any key, then select “ I ” and press Enter when the following screen appears. The RMA shim will be installed automatically. 5) Press Enter when “OK” shows up, the device will reboot to Factory Test Mode automatically. 6) Remove the USB drive and shutdown the system by long pressing power button or remove AC power adapter.

  • Page 13: Finalize Device Information

    Finalize Device Information 1) Connect to AC power and press power button, the device will boot to factory test mode automatically. 2) Select Update Device Data, enter Serial Number, then press Enter to continue.
  • Page 14 3) Select Region, then press Enter to continue. 4) System auto reboot.
  • Page 15 5) Auto update firmware. 6) Auto HWID checking. 7) System auto reboot.
  • Page 16 8) Auto TPM check. 9) Auto reboot for data writing and system finalizing.
  • Page 17 10) 1) Upon completion of the finalizing step, the Chromebox will start the wiping process and then shutdown the system. 11) Press Power Button, system boot to OOBE.

  • Page 18: Recovery Process For New Wifi Module, Ram, Mainboard

    Recovery process for new WIFI module, RAM, Mainboard 1. Preparation Replace the WIFI module, RAM and Mainboard. 1) Remove the bottom cover and locate the Wireless Card. 2) Remove the Wireless Card as shown.
  • Page 19 3) Remove the RAM. 4) Remove the following other component(s): M.2 SSD (if one is installed) ⚫ Fan module ⚫ Heatsink ⚫ 5) Replace the mainboard. Align and place the motherboard in the chassis as shown. 6) Install the rest of the component(s) including new WIFI module and new RAM...

  • Page 20: Disable Hardware Write Protection

    2. Disable Hardware Write Protection Hardware Write Protection needs to be disabled before installing the RMA shim on a Chromebox. Please ensure that the device is powered off and that the AC power cord is unplugged before proceeding with the following steps. 1) Locate the Write Protection Pin.

  • Page 21: Enter Developer Mode (Dev Mode)

    3. Enter Developer Mode (DEV Mode) 1) Connect to AC power, press and hold Recovery Button with a paper clip, and then press Power Button to power on the device. 2) Press Ctrl + D when the following message appears. 3) Press Recovery Button with a paper clip when the following message appears.
  • Page 22 4) Press Ctrl + D when the following message appears. The system will reboot again. 5) Following messages will appear during the process. 6) Please press Ctrl + Alt + F2 to enter VT2 (Developer Console) when OOBE shows up.

  • Page 23: Enable Usb Boot & Install Rma Shim

    4. Enable USB Boot & Install RMA Shim 1) Enter Username & Password: root / test0000 2) Enter command: crossystem dev_boot_usb=1, then plug in the USB drive, and then enter command: reboot 3) During system reboot, continuously tap Ctrl + U (long press Ctrl, then tap U) to initiate the installation process.
  • Page 24 4) Press any key, then select “ I ” and press Enter when the following screen appears. The RMA shim will be installed automatically. 5) Press Enter when “OK” shows up, the device will reboot to Factory Test Mode automatically. 6) Remove the USB drive and shutdown the system by long pressing power button or remove AC power adapter.

  • Page 25: Recovery Process For Replacing New Ssd Only

    Recovery process for replacing new SSD only / new SSD and new mainboard If you are replacing a new SSD on the original mainboard, please follow below steps to install recovery OS and enable USB boot-up for running RMA shim flow. If you purchased both new SSD and new mainboard, please replace the SSD first and install recovery OS, then proceed to run RMA shim flow.

  • Page 26: Create Recovery Usb Drive

    Create Recovery USB drive 1) Please download Chromebook Recovery Utility here or open a web browser and search for recovery extension tool. 2) Click Add to Chrome or Get if you’re using Edge. 3) Click Add extension.
  • Page 27 4) Click extension icon on the browser, find and click Chromebook Recovery Utility. 5) Insert the USB drive and then click Get started.
  • Page 28 6) Click ① Select a model from a list, find ② The name of the Chromebook model you want to restore, and click ③ Continue.
  • Page 29 7) Click ① USB Flash inserted, and click ② Continue. Click ③ Create now*. Click ④ Done to finish the creation. *The process takes a while and please don’t shutdown the system or all the data and partitions on this USB drive will be deleted.

  • Page 30: Enter Recovery Mode

    4. Enter recovery mode Turn off Chromebox. Using a paper clip or similar object, press and hold the recovery button. Press the Power button to turn the Chromebox back on. When you see a message on screen, release the recovery button.

  • Page 31: Flash Image

    5. Flash image 1) Insert the USB Flash into the ASUS Chromebox. 2) After the USB Flash is inserted, the restoration process will start automatically. Please wait patiently. 3) Restore is complete. Please unplug the USB Flash, and ASUS Chromebox will restart automatically.
  • Page 32 4) The system has been restored. 5) Power-off the device, then start to run RMA shim flow...

This manual is also suitable for:

Cn67

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