Troubleshooting Error 3159: Not a Valid Drive Number

By / March 15, 2023

But, the Not a valid drive number error message can occur on your system, and in this article, we will explore some of the best ways to troubleshoot this error.

  • A Windows error 3159: not a Valid Drive Number can occur because of corrupted or outdated drivers.
  • To fix this error, start by updating your drivers.
  • The chkdsk command might also fix this issue, so try it.

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    Check if the drive letter is valid

    1. Make sure your disk isn’t assigned with an invalid drive letter.
      Right-click the My Computer or This PC icon > select Disk Management.
      Right-click on the disk > select Change Drive Letter and Paths.
      Select the Change icon > select Remove.
      Make sure that the disk is assigned with the correct drive letter.

    Check the drive letter using Disk Management

    1. Right-click on the Start button and select Disk Management.
    2. Navigate to the Drive where the CD/DVD is inserted.
      Navigate to the Drive where the CD/DVD is inserted.
    3. Right-click on the drive and select Change Drive Letter and Paths.
    4. Check the assigned letter of the hard drive.
    5. If the drive letter is incorrect, click on Change while checking the box next to Replace the Dialog.
    6. Now, check the assigned letter and click on the OK button.
      Now, check the assigned letter and click on the OK button.

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    • Rename the drive letter

    1. First, users can try renaming the drive letter, which might help resolve the error. Right-click the Drive letter and open Properties.
    2. Then, select Change to open the window directly below.
      Then, select Change to open the window directly below.
    3. Press the Change button to open the window below. Then, select the Drive tab.
    4. Press the Change button to open the window below.
    5. Select the New button.
    6. Enter the drive letter in the text box, and press the OK button.
    7. After that, select OK again, and close the window to save the changes.
      After that, select OK again, and close the window to save the changes.

    Perform a Clean Boot

    1. Press Windows Key + R to open Run.
    2. In Run, type msconfig and click OK.
      In Run, type msconfig and click OK.
    3. On the General tab, click the Selective startup button.
    4. Select the Load system services and Startup items and click Apply and then OK.
    5. Restart your computer.

    Run SFC and DISM

    1. To run SFC and DISM, open the Run accessory, and input sfc/scannow in Run’s Open text box.
    2. Press the Enter key to open the System File Checker tool.
      Press the Enter key to open the System File Checker tool.
    3. SFC will scan for corrupted system files, and any it fixes will be listed on the Scan Results tab.
    4. Select the Repair Selected option.
    5. Restart Windows after SFC has fixed any corrupted system files.
    6. To run DISM, input DISM /Online /Cleanup-Image /RestoreHealth in Run’s Open text box.
    7. Click the OK button to open DISM.
      Click the OK button to open DISM.
    8. Select the Select Drive option and select your Windows partition.
    9. Click the Next button.
    10. Select the System Restore option.
      Select the System Restore option.
    11. Click the Next button.
    12. Select the Yes option.
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    Perform a System Restore

    1. Press Windows Key + R to open Run, enter rstrui in the text field, and click OK.
    2. Now, click the Next button.
    3. Click the Show more restore points option.
      Click the Show more restore points option.
    4. In the list there are check boxes next to system restore points. You need to check only the ones created before the error occurs.
    5. Click Next.
    6. Click the Finish button.
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