How to: Start your Windows computer in Safe Mode


Introduction

Information Technology provides the product/information below as a courtesy to the TTU community. Before proceeding, please make a backup of the data on your computer/device, as the loss of data and/or operating system functionality may result. For additional assistance, please contact the manufacturer/provider of the product/service or your preferred third-party support provider.

Instructions

Method A: Use Microsoft's recommended approaches

For the latest and most accurate information regarding how to start your Windows computer in Safe Mode, please view Microsoft's support article Windows Startup Settings.

Method B: Use msconfig

  1. Open the "Run" dialog box.

  2. Type msconfig and click OK.

    "Run" dialog box in Windows 11. In the "Open" field, "msconfig" is typed. Further, the "OK" button is selected.

  3. Under the Boot tab, click the Safe boot checkbox. Then, click OK.

    NOTE: If you have multiple operating systems on your computer, choose the one in which you wish to start in Safe Mode.

    System Configuration utility showing the Boot tab. The "Safe boot" option is checked, and the "OK" button is selected.

  4. If BitLocker is enabled on your computer, you may receive a prompt confirming that you have your recovery key ready. Choose Yes if you have access to a BitLocker recovery key at this time; choose No if you do not.

    CAUTION: After the computer restarts, you will not be able to access the computer until you provide a recovery key.

    System Configuration prompt confirming that you have your BitLocker recovery key. The message asks if you want to proceed with enabling safe boot. Options are "Yes" and "No".

  5. Click Restart to immediately start your computer in Safe Mode.

    TIP: If you need to save any work or files, you may click Exit without restart. Afterwards, you will need to restart your computer.

    System Configuration prompt asking if you want to restart or exit without restarting

Outcome

Your computer is running in Safe Mode. You are able to run virus scans, hardware repair, and other maintenance that was previously impossible.