The device manager is already enabled. If you want to view it go to Start > Control Panel > System > Hardware > Device Manager.
the Device Manager
windows xp
Device Manager
If the device is not listed in the Add Hardware Wizard
When asked: In Windows XP Device Manager, how do you uninstall a device? the answer should be: Go to the Device Manager - Start > Run > devmgmt.msc Then, click on the name of the device you want to remove and click Uninstall on the shortcut menu.
The three snap ins are device manager, disk manager, and task manager
In which operating system you are asking...Please mention the OS name for better answering. If it is windows means, you can access it by the following navigation. Start-->Right Click My computer--> Click Properties--> Select Device Manager Button Now you can able to access the device manager in Windows XP..
What is applications all found in windows XP
computer management>>device manager>>view resource by type
it detects the device it installs the device driver it cinfigures the device
you can do it using windows task manager.
Open the Device Manager, right-click the computer icon, and select "Scan for hardware changes."