HP xw4100 manual Power on

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Troubleshooting

 

Possible

Recommended

Activity

Beeps Cause

Action

System does not

None

System

power on and LEDs

 

unable to

are not blinking.

 

power on.

Press and hold the power button for less than 4 seconds. If the hard drive LED turns green, then:

1.Remove the expansion cards one at a time until the 5.5 V_aux light on the system board turns on.

2.Replace the system board.

OR

Press and hold the power button for less than 4 seconds. If the hard drive LED does not turn on green then:

1.Check that unit is plugged into a working AC outlet.

2.Open hood and check that the power button harness is properly connected to the system board.

3.Check that both power supply cables are properly connected to the system board.

4.Check to see if the 5.5 V_aux light on the system board is turned on. If it is turned on, then replace the power button harness.

5.If the 5.5 V_aux light on the system board is not turned on, then replace the power supply.

6.Replace the system board.

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Contents June Getting Started GuideGetting Started Guide HP Workstations Contents Features and Accessories TroubleshootingIndex Finding Information PrefaceSupport Additional DocumentationUsing the Documentation Library CD Windows-based WorkstationsLinux-based Workstations Locating Regulatory Information Parts and AccessoriesSubscriber’s Choice Product BulletinPreface Viii Quick Setup Hardware SetupDescription Xw4100/xw4200 Front Panel ComponentsXw6200 Front Panel Components Xw8200 Front Panel Components Component Xw4100 Rear Panel ComponentsComponent Xw4200 Rear Panel ComponentsXw6200 Rear Panel Components Xw8200 Rear Panel Components Keyboard Component Description Customizing the Easy Access buttonsUsing the Windows Logo Key Special Mouse Functions ItemDescription Serial Number and COA Label LocationHardware Setup Software Setup Windows-preinstalled WorkstationsStarting up the Operating System Restoring the Software Energy Star Installing or Upgrading Device DriversCustomizing the Monitor Display AccessibilityStarting up the Linux Operating System Linux-preinstalled WorkstationsInstalling with the HP Driver CD Restoring the Linux Operating SystemDownloading the Latest HP Driver CD Linux-enabled Workstations Upgrading Device DriversVerifying Hardware Compatibility Hyper-Threading Technology Installing the Linux Operating SystemTurning off the Workstation Software Setup Security Features Features and AccessoriesAccessories Chassis Conversion FeaturesTroubleshooting Self TroubleshootingHP Insight Diagnostics Helpful Hints HP Help and Support CenterDuring Operation At StartupBasic Troubleshooting Problem Cause Solution Solving General ProblemsNum Lock key ProblemCause Solution System does not power Probable Recommended Problem Cause Solution Solving Hardware Installation ProblemsProbable Recommended Problem Cause Solution Probable Recommended ProblemCause Solution Interpreting xw4100 Diagnostic Lights and Audible CodesPossible Recommended Activity Beeps Cause Action Is off Suspend To Disk or Hibernate ModeAn indicator Possible Recommended Activity Beeps Cause Action For systems with a graphics Support Power on Possible Recommended Activity Beeps Cause Action Red Power LED Possible Recommended Activity Beeps Cause Action Possible Recommended Activity Beeps Cause Action Replace the system Power on Calling Technical Support Index Index Index-3 Index-4