Follow these easy steps to access Device Manager from the Command Prompt:
Note: Not comfortable working with commands? Luckily there are several ways to access Device Manager in Windows XP.
Time Required: Accessing Device Manager from a command prompt in Windows XP takes under a minute
Click on Start and then Run.
Type the following command in the Open: text box, and then hit the Enter key or click on the OK button.
Device Manager should display right away.