Thank you for choosing a Lenovo® product! This user guide contains information about your ThinkCentre M90a Gen 5, including but not being limited to the product overview, specifications, diagnostics, troubleshooting, upgrading and hardware replacement.
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ThinkCentre M90a Gen 5

  • Privacy Protection

    Protect privacy with alert message and blurred screen.

    Learn more

    Privacy Protection ×

  • Human Presence Detection

    Awaken or lock the computer according to user presence.

    Learn more

    Human Presence Detection ×
  • how to upgrade a hardware part?

    1. How can I upgrade a hardware part?

    Lenovo provides step-by-step instructions with Customer-Replaceable Units (CRUs). For the parts not mentioned, please find your computer serial number and then call Lenovo.

    Find your serial number ×
    Call Lenovo ×
  • operating system recover/reset

    2. How can I fix operating system issues?

    When you have issues with the operating system and want to reinstall it, Lenovo provides several solutions for you.

  • troubleshoot/diagnose problems

    3. How can I troubleshoot or diagnose problems?

    When you encounter some unexpected hardware or software issues, you're recommended to read the following before calling Lenovo.



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