HP EliteDesk 800 G4 Maintenance and Service Guide - Page 105

Solving hardware installation problems, WARNING

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Mouse does not respond to movement or is too slow. Cause Mouse may need repair. Computer is in Sleep state. Solution See the Worldwide Limited Warranty for terms and conditions. Press the power button to resume from Sleep state. CAUTION: When attempting to resume from Sleep state, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose any unsaved data. Mouse will only move vertically, horizontally, or movement is jerky. Cause Solution Mouse roller ball or the rotating encoder shafts that make contact Remove roller ball cover from the bottom of the mouse and clean with the ball are dirty. the internal components with a mouse cleaning kit available from most computer stores. 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. 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. Solving hardware installation problems 97

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Mouse does not respond to movement or is too slow.
Cause
Solution
Mouse may need repair.
See the Worldwide Limited Warranty for terms and conditions.
Computer is in Sleep state.
Press the power button to resume from Sleep state.
CAUTION:
When attempting to resume from Sleep state, do not
hold down the power button for more than four seconds.
Otherwise, the computer will shut down and you will lose any
unsaved data.
Mouse will only move vertically, horizontally, or movement is jerky.
Cause
Solution
Mouse roller ball or the rotating encoder shafts that make contact
with the ball are dirty.
Remove roller ball cover from the bottom of the mouse and clean
the internal components with a mouse cleaning kit available from
most computer stores.
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.
Solving hardware installation problems
97