HP Pavilion a300n, a307x hardware installation (continued)

hardware installation (continued)

Symptom	Problem	Solution
New device does not work.	Cannot install new device	You must be logged in as the computer administrator to
	driver.	install or uninstall a device driver. To switch users, click
		Start, click Log Off, and then click Switch User; choose
		the computer administrator user. (The computer
		administrator is usually the user Owner.)
New or existing device does	A hardware device conflict	To resolve a device conflict, you may need to disable one
not work after installing a	exists.	of the devices or uninstall an old device driver:
new device.		1	Click Start and choose Control Panel.
		2	Click Performance and Maintenance, if it is
			present.
		3	Double-click the System icon and select the
			Hardware tab.
		4	Click the Device Manager button.
		5	Click the + (plus) symbol 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.
		6	If there is an old or unnecessary device driver 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.
		7	Right-click the device and select Properties.
		8	If available, click the Resources tab to verify that there
			is a device conflict.
		9	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.
		10	Restart the PC. Click Start, click Turn Off Computer,
			and then click Restart.

troubleshooting 79