Solving Problems 47
3Click the Hardware tab, and then click Device Manager.
4In the Device Manager window, right-click the device for which the
new driver was installed, and then click Properties.
5Click the Drivers tab.
6Click Roll Back Driver.
Resolving Software and Hardware Incompatibilities
Windows XP and Windows 2000 IRQ conflicts occur if a device either is not
detected during the operating system setup or is detected but incorrectly
configured.

Windows XP

To check for conflicts on a computer running Windows XP:
1Click the Start button, and then click Control Panel.
2Click Performance and Maintenance, and then click System.
3Click the Hardware tab, and then click the Device Manager button.
4In the Device Manager list, check for conflicts with the other devices.
Conflicts are indicated by a yellow exclamation point (!) beside the
conflicting device or a red X if the device has been disabled.
5Double-click any conflicting device listed to bring up the Properties
window so you can determine what needs to be reconfigured or
removed from the Device Manager.
Resolve these conflicts before checking specific devices.
6Double-click the malfunctioning device type in the Device Manager
list.
7Double-click the icon for the specific device in the expanded list.
The Propertie s window appears.
8Resolve any IRQ conflicts.
If there is an IRQ conflict, the Device status area in the Properties
window reports what cards or devices are sharing the device's IRQ.