Everyone has long known that if time does not removeunnecessary drivers from the Windows XP program, it simply will consume system resources. And if these unnecessary drivers too much, they can lead to unstable computer system and spend huge amounts of resources that could be useful to address some more useful and important task.
From all this it follows that the unnecessary drivers from the system must be removed.
Go to the properties of the system. Press right click on My Computer icon, select Properties.
Go to the Advanced tab and click the Environment Variables button.
In the System Variables panel click the Create button.
In the dialog box New system variable, in the Variable Name field, enter devmgr_show_nonpresent_devices, variable 1
Click OK, and return to the System Properties. Click OK
Go to the Hardware tab. Click the Device Manager button.
Choose View - Show hidden devices.
Disclose all the trees of the device list and look for shaded icons, which means that the driver is not used.
To remove the unnecessary driver, right click on the device icon and select Delete.