12 PC Troubleshooting Guide
Hardware Installation
Symptom Possible cause Solution
Device driver is not
installed.
Install the device driver from the CD or diskette provided with the device, or
download and install the driver from the device manufacturer’s Web site.
You may need an updated driver for Windows XP. Contact the device vendor
directly for an update.
For HP peripherals, visit the HP Web site. Refer to the Warranty and Support
Guide for details.
Device connector is not
seated or connected
properly.
Ensure that the device is properly and securely connected and that the pins in
the connector are not bent down.
Cable(s) of new external
device are loose, or
power cables are
unplugged.
Ensure that all cables are properly and securely connected and that the pins in
the cable or connector are not bent.
Power switch of new
device is not turned on.
Turn off the PC, turn on the external device, and then turn on the PC to
integrate the device with the PC system.
When the system
advised you of changes
to the configuration, you
did not accept them.
Restart the PC, and follow the instructions for accepting the changes.
A new device is
not recognized
as part of the
system.
A Plug and Play card
may not automatically
configure when added if
the default configuration
conflicts with other
devices.
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.
New device
does not work.
Cannot install new
device driver.
You must be logged in as the computer administrator to 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 not work
after installing
a new device.
A hardware device
conflict exists.
To resolve a device conflict, you may need to disable one of the devices or
uninstall an old device driver:
1 Click Start, and click 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 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.
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.
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