HP Z800 Owners Manual

Solving display problems
Table 6-5  Display problems
ProblemCauseSolution
Blank screen (no video).The cable connections are not
correct.Verify the cable connections from the monitor to the
workstation and to a working electrical outlet.
The monitor is off.Turn the monitor on (LED is on). You might need to refer
to the monitor manual for an explanation of LED signals.
Screen blanking utility installed
or energy saver features
enabled.Press a key or the mouse button and, if set, enter your
password.
System...

ProblemCauseSolution
Blurry video or requested
resolution cannot be set.If the graphics controller was
upgraded, the correct video
drivers might not be loaded.Install the video drivers included in the upgrade kit, or
download and install the latest drivers for your graphics
card from 
http://welcome.hp.com/country/us/en/
support.html.
Monitor cannot display
requested resolution.Change the requested resolution.
The picture is broken up, rolls,
jitters, or flashes.The monitor connections might
be faulty,...

Solving audio problems
Table 6-6  Audio problems
ProblemCauseSolution
Sound does not come out of the
speaker or headphones.Software volume control is
turned down.Double-click the Speaker icon on the taskbar and use the
volume slider to adjust the volume.
The external speakers are not
turned on.Turn on the external speakers.
External speakers plugged into
the wrong audio jack.See your sound card documentation for proper speaker
connection.
Digital CD audio is
not enabled.Enable digital CD audio:
1.From...

Solving printer problems
Table 6-7  Printer problems
ProblemCauseSolution
Printer does not print.Printer is not turned on and
online.Turn the printer on and be sure it is online.
The correct printer driver for
the application is not installed.1.Install the correct printer driver for the application.
2.Try printing using the MS-DOS command:
DIR C:\> [printer port]
Replace printer port with the address of the printer
used. If the printer works, reload the printer driver.
If you are on a network, you
might...

Self-troubleshooting with HP Vision Field Diagnostics
Hewlett-Packard Vision Field Diagnostics is a diagnostic tool that can be used by the end user or
technical support personnel to view information about the hardware configuration of the computer and
perform hardware troubleshooting on HP Desktop and Workstation systems. This diagnostic tool should
be used to help determine hardware failures. Accessible by either CD or USB key, these diagnostics
run outside the operating system and so make it easy to...

The Survey tab is displayed when you invoke HP Vision Field Diagnostics. This tab shows the current
configuration of the workstation. From the Survey tab, there is access to several categories of
information about the workstation. Other tabs provide additional information, including diagnostic test
options and test results. The information in each screen of the utility can be saved as an html file and
stored on a diskette or USB flash drive.
Use HP Vision Field Diagnostics to determine if all the devices...

User interface
The HP Vision Field Diagnostics application provides six major functions, accessible through Tabs.
These functions are:
●Survey — Your current system hardware information.
●Test — List all diagnostics available for your system. Tests are started there.
●Status — This screen shows progress and status of currently running diagnostics.
●History — All past diagnostics runs and status are listed there.
●Errors — All past diagnostics failures are listed there.
●Help — User help about HP Vision...

●Miscellaneous — List any devices or data that doesnt belong to any other Category.
●Processors - Shows system processors.
●Storage — Shows mass storage devices such as floppy drives, optical drives, SATA, SAS hard
disk drives and controllers, as well as any RAID arrays.
●System — Shows information about motherboard devices such as fans and cables.
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Test tab
The Test tab lists all available diagnostics. The lists have been tailored according to your system
configuration. Individual test may be selected or unselected. The following Test Modes exist:
●Quick — This test selection was picked to perform quickly while covering your entire hardware.
Test parameters cannot be modified.
●Complete — This test selection offers all available tests and may take a long time to complete.
Test parameters cannot be modified.
●Custom — Like Complete this test...

5.Click the Start Test button to start the testing. The Status tab, which allows you to monitor the
progress of the tests, is automatically displayed during the testing process. When the tests are
complete, the Status tab shows whether the devices passed or failed.
6.If errors are found, go to the Errors tab to display detailed information and recommended actions.
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