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70 Advanced Troubleshooting
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Resolving Software and Hardware
Incompatibilities
Microsoft
®
Windows
®
XP IRQ conflicts occur if a device either is not
detected during the operating system setup or is detected but incorrectly
configured.
To check for conflicts on a computer running Windows XP:
1 Click the Start button, and then click Control Panel.
2 Click Performance and Maintenance, and then click System.
3 Click the Hardware tab, and then click Device Manager.
4 In 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.
5 Double-click any conflicting device listed to bring up the Properties
window to determine what needs to be reconfigured or removed from
the Device Manager.
Resolve these conflicts before checking specific devices.
6 Double-click the malfunctioning device type in the Device Manager
list.
7 Double-click the icon for the specific device in the expanded list.
The Properties window appears.
8 Resolve any IRQ conflicts, as described in step 5.
If an IRQ conflict exists, the Device status area in the Properties
window reports the cards or devices that share the device's IRQ.
You can also use the Windows XP Hardware Troubleshooter:
1 Click the Start button.
2 Click Help and Support.
3 Ty p e hardware troubleshooter in the Search field, and then click
the arrow to start the search.
4 Click Hardware Troubleshooter in the Search Results list.