HP TouchSmart dx9000 Troubleshooting And Maintenance Manual page 17

Hardware Installation (continued)
Symptom
A new device is not
recognized as part of
the system.
(continued)
A new device does not work.
A device does not work after
installing a new device.
Possible solution
Restart the computer, and follow the instructions for accepting the changes.
Deselect the automatic settings in the operating system for the card, and
choose a basic configuration that doesn't cause a resource conflict.
You can also reconfigure or disable devices to resolve the resource conflict.
You must be logged in with administrative privileges to
install or uninstall a device driver. If you need to switch
users, click the Windows Start Button, click the Arrow
button next to the Lock button, and then click Switch User. Choose a user
with administrative privileges.
To resolve a device conflict, you may need to disable one of the devices or
uninstall an old device driver:
1 Click the Windows Start Button, right-click Computer, and then
select Properties.
2 Under Tasks, click Device Manager.
3 Click the plus sign (+) next to the problem device and check for
exclamation points in a yellow circle near the device icon. The
exclamation point means there is a device conflict or problem with the
device. Exclamation points do not always appear when a device is not
working properly.
4 If you have removed a hardware device and the device driver is listed in
the Device Manager, this may be causing the device conflict. To uninstall
the old driver for the new device driver to work properly, do the following:
Right-click the device, click Uninstall, and then click OK.
5 Double-click the name of the device, and select Properties.
6 If available, click the Resources tab to verify that there is a device
conflict.
7 Click the General tab to see if your device is enabled and working
properly. If it is available, click the Troubleshoot button, and follow the
onscreen instructions in the device troubleshooter wizard.
8 Restart the computer. Click the Windows Start
Button, click the Arrow button next to the Lock
button, and then click Restart.
Troubleshooting Computer Problems
13