HP EliteDesk 800 65W G4 Maintenance and Service Guide - Page 82

Solving hardware installation problems, Add Hardware Wizard

Page 82 highlights

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 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, use the Add Hardware Wizard and follow the instructions that appear on the screen. To open the Add Hardware Wizard, open a Command Prompt and open hdwwiz.exe. WARNING! When the computer is plugged into an AC power source, voltage is always applied 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. 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. 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 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. To access Device Manager in Windows 10, type device manager in the taskbar search box, and then select Device Manager from the list of applications. Run the Computer Setup utility and ensure that Device available is selected for appropriate USB ports under Advanced > Port Options. Computer will not start. Cause Wrong memory modules were used in the upgrade or memory modules were installed in the wrong location. 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. NOTE: DIMM1 or XMM1 must always be installed. DIMM1 must be installed before DIMM2, and DIMM3 must be installed before DIMM4. 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. 74 Chapter 6 Troubleshooting without diagnostics

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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 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, use the
Add Hardware Wizard
and follow the
instructions that appear on the screen.
To open the Add Hardware Wizard, open a Command Prompt and open hdwwiz.exe.
WARNING!
When the computer is plugged into an AC power source, voltage is always applied 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.
A new device is not recognized as part of the system.
Cause
Solution
Device is not seated or connected properly.
Ensure that the device is properly and securely connected and
that 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 pins in the cable or connector are not bent down.
Power switch of new external device is not turned on.
Turn
off
the computer, turn on the external device, then turn on
the computer to integrate the device with the computer system.
When the system advised you of changes to the
configuration,
you did not accept them.
Reboot the computer and follow the instructions for accepting the
changes.
A plug and play board may not automatically
configure
when
added if the default
configuration
conflicts
with other devices.
Use Windows 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.
To access Device Manager in Windows 10, type
device
manager
in the taskbar search box, and then select
Device
Manager
from the list of applications.
USB ports on the computer are disabled in Computer Setup.
Run the Computer Setup utility and ensure that
Device available
is selected for appropriate USB ports under
Advanced
>
Port
Options
.
Computer will not start.
Cause
Solution
Wrong memory modules were used in the upgrade or memory
modules were installed in the wrong location.
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.
NOTE:
DIMM1 or XMM1 must always be installed. DIMM1
must be installed before DIMM2, and DIMM3 must be
installed before DIMM4.
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.
74
Chapter 6
Troubleshooting without diagnostics