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If you recently installed new software, uninstall the software and verify if the workstation functions
properly.
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If the internal display panel on an all-in-one computer is blank, open the computer and ensure that
both ends of the cable between the system board and the internal display panel are connected. If
using a graphics card, verify that the graphics card is properly installed.
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Upgrade the BIOS. A new release of the BIOS might have been released that supports new
features or fixes your problem.
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For more detailed information, see the troubleshooting chapter in the Maintenance and Service
Guide at
http://www.hp.com/support/workstation_manuals.
Customer Self-Repair program
Under the Customer Self-Repair program, you can order a replacement part and install the part without
onsite HP technical assistance. Customer Self-Repair might be required for some components. See
http://www.hp.com/go/selfrepair for information on the program.
NOTE: Some components are not eligible for Customer Self-Repair and must be returned to HP for
service. Call HP Support for further instructions before attempting to remove or repair these
components.
Other troubleshooting options
The following additional troubleshooting techniques and tools are located in the Maintenance and
Service Guide at
http://www.hp.com/support/workstation_manuals:
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POST Error Codes
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Diagnostic LEDs and audible beep codes
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Troubleshooting scenarios and solutions
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HP Vision Field Diagnostics
HP troubleshooting resources and tools
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