Dell Inspiron 4150 User Manual page 42

Reinstalling Drivers and Utilities: Dell Inspiron 4150
5. Click the Drivers tab.
6. Click Roll Back Driver.
Resolving Software and Hardware
Incompatibilities
In the Microsoft® Windows® XP operating system, IRQ conflicts occur if a device
either is not detected during the operating system setup or is detected but incorrectly
configured. To check for IRQ conflicts on your computer:
1. Click the Start button and click Control Panel.
2. Click Performance and Maintenance and click System.
3. Click the Hardware tab and 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 so
that you can determine what needs to be reconfigured or removed from the
Device Manager.
6. Resolve these conflicts before checking specific devices.
7. Double-click the malfunctioning device type in the Device Manager list.
8. Double-click the icon for the specific device in the expanded list.
The Properties window appears.
If an IRQ conflict exists, the Device status area in the Properties window
reports what other devices are sharing the device's IRQ.
9. Resolve any IRQ conflicts.
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