Solving Display Problems - HP xw3400 - Workstation Technical Reference Manual

Solving display problems

If you encounter display problems, see the documentation that came with the monitor and to the common
causes and solutions listed in the following table.
Table D-6 Solving Display Problems
Blank screen (no video).
Cause
Monitor is not turned on and the monitor light is not on.
Bad monitor.
The cable connections are not correct.
You may have a screen blanking utility installed or energy saver
features are enabled.
System ROM is corrupted; system is running in Boot Block
Emergency Recovery Mode (indicated by eight beeps).
You are using a fixed-sync monitor and it will not sync at the
resolution chosen.
Workstation is in standby mode.
Monitor cable is plugged into the wrong connector.
Monitor settings in the workstation are not compatible with the
monitor.
Cannot enable integrated graphics after installing a PCI Express graphics card.
Cause
On systems with ATI integrated graphics, the integrated
graphics can be enabled in Computer Setup only if an ATI PCI
Express graphics card is installed.
134 Appendix D Troubleshooting without diagnostics
Solution
Turn on the monitor and check that the monitor light is on.
Try a different monitor.
Check the cable connection from the monitor to the workstation
and to the electrical outlet.
Press any key or click the mouse button and, if set, type your
password.
Reflash the system ROM with the latest BIOS image. See the
"Boot Block Emergency Recovery Mode" section of the Desktop
Management Guide on the Documentation and Diagnostics
CD for more information.
Be sure that the monitor can accept the same horizontal scan
rate as the resolution chosen.
Press the power button to resume from standby mode.
CAUTION: When attempting to resume from standby
mode, do not hold down the power button for more than four
seconds. Otherwise, the workstation will shut down and you will
lose any unsaved data.
Ensure that the monitor is plugged into an active connector on
the rear of the workstation. If another connector is available,
connect the monitor to that connector and reboot the system.
Restart the workstation and press
1.
you see "Press F8" in the bottom right corner of the screen.
Using the keyboard arrow
2.
Mode and press Enter.
In Windows Control Panel, double-click the Display icon
3.
and select the Settings tab.
Use the sliding control to reset the resolution.
4.
Solution
On systems with ATI integrated graphics, install an ATI PCI
Express graphics card and enable the integrated graphics in
Computer Setup.
F8 during startup when
keys, select Enable VGA
ENWW