Solving Hardware Installation Problems - HP Compaq dc5750 MT Troubleshooting Manual

Solving Hardware Installation Problems

You may need to reconfigure the computer when you add or remove hardware, such as an additional
drive or expansion card. If you install a plug and play device, Windows XP automatically recognizes the
device and configures the computer. If you install a non–plug and play device, you must reconfigure the
computer after completing installation of the new hardware. In Windows XP, use the Add Hardware
Wizard and follow the instructions that appear on the screen.
WARNING!
to the system board. To reduce the risk of personal injury from electrical shock and/or hot
surfaces, be sure to disconnect the power cord from the wall outlet and allow the internal system
components to cool before touching.
Look for the LED on the system board. If the LED is illuminated, the system still has power. Power
off the computer and remove the power cord before proceeding.
Table 2-11 Solving Hardware Installation Problems
A new device is not recognized as part of the system.
Cause
Device is not seated or connected properly.
Cable(s) of new external device are loose or power cables are
unplugged.
Power switch of new external device is not turned on.
When the system advised you of changes to the configuration,
you did not accept them.
A plug and play board may not automatically configure when
added if the default configuration conflicts with other devices.
USB ports on the computer are disabled in Computer Setup.
Computer will not start.
Cause
Wrong memory modules were used in the upgrade or memory
modules were installed in the wrong location.
ENWW
When the computer is plugged into an AC power source, voltage is always applied
Solution
Ensure that the device is properly and securely connected and
that pins in the connector are not bent down.
Ensure that all cables are properly and securely connected and
that pins in the cable or connector are not bent down.
Turn off the computer, turn on the external device, then turn on
the computer to integrate the device with the computer system.
Reboot the computer and follow the instructions for accepting
the changes.
Use Windows XP Device Manager to deselect the automatic
settings for the board and choose a basic configuration that
does not cause a resource conflict. You can also use Computer
Setup to reconfigure or disable devices to resolve the resource
conflict.
Enter Computer Setup (F10) and enable the USB ports.
Solution
1. Review the documentation that came with the system to
determine if you are using the correct memory modules
and to verify the proper installation.
2. Observe the beeps and LED lights on the front of the
computer. Beeps and flashing LEDs are codes for
specific problems.
3. If you still cannot resolve the issue, contact Customer
Support.
Solving Hardware Installation Problems 31