Updated: April 17, 2012

Applies To: Windows Vista, Windows Server 2008, Windows 7, Windows Server 2008 R2, Windows Server 2012, Windows 8

Logs display information to a file.

dispdiag [-testacpi] [-d] [-delay <Seconds>] [-out <FilePath>]



- testacpi

Runs hotkey diagnostics test. Displays the key name, code and scan code for any key pressed during the test.


Generates a dump file with test results.

-delay <Seconds>

Delays the collection of data by specified time in seconds.

-out <FilePath>

Specifies path and filename to save collected data. This must be the last parameter.


Displays available command parameters and provides help for using them.