Solving Display Problems - HP 8000f - Elite Ultra-slim Desktop PC Maintenance And Service 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 E-6
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.
Computer is in standby mode.
Monitor cable is plugged into the wrong connector.
Monitor settings in the computer are not compatible with the
monitor.
Monitor is configured to use an input that is not active.
Cannot enable integrated graphics after installing a PCI Express graphics card.
Cause
On systems with Intel integrated graphics, the integrated
graphics cannot be enabled after installing a PCI Express
x16.
106 Appendix E Troubleshooting Without Diagnostics
Solving Display Problems
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 computer
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.
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 computer will shut down and you
will lose any unsaved data.
If the computer system has both an integrated graphics
connector and an add-in graphics card connector, plug the
monitor cable into the graphics card connector on the back of
the computer.
1. In Windows XP Control Panel, double-click the Display
icon and select the Settings tab.
In Windows Vista or Windows 7 Control Panel, under
Appearance and Personalization, select Adjust
screen resolution.
2. Use the sliding control to reset the resolution.
Use the monitor's on-screen menu controls to select the
input that is being driven by the system. Refer to the
monitor's user documentation for more information on the on-
screen controls and settings.
Solution
Integrated graphics can be used if there is a graphics card in
the PCI, PCI Express x1, or PCI Express x4 slot. It cannot be
used if there is a graphics card in the PCI Express x16 slot.