UPDATE: Chkdsk / F Parameter Is Not Valid


Sometimes your system may display an error stating that the chkdsk / f parameter is invalid. This problem can be caused by a number of reasons.

Filtered. DOS / Windows error message indicating that DOS does not understand the command line. This indicates that the switch is not being used correctly. When entering path names, you must use a backslash (\), not a forward slash (/).



Protect yourself from fraud with technical support Learn more …

However, every time I type chkdsk / p, I get an invalid parameter – / p

This is because the / P parameter is not valid for chkdsk. Are you typing chkdsk /? at the command line to display valid switches.

26 people found this answer helpful

A ·

Was this answer helpful to you?

Sorry it didn’t help.

Great! Thank you for your opinion.

How satisfied are you with this answer?

chkdsk /f parameter is invalid

Thanks for the comments. This helps us to improve our site.

How satisfied are you with this answer?

Thanks for the comments.