HP 8000f Maintenance and Service Guide: HP Compaq 8000f Elite Business PC Ultr - Page 116

Solving Display Problems, common causes and solutions listed in the following table.

Page 116 highlights

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 Solving Display Problems Blank screen (no video). Cause Solution Monitor is not turned on and the monitor light is not on. Turn on the monitor and check that the monitor light is on. Bad monitor. Try a different monitor. The cable connections are not correct. Check the cable connection from the monitor to the computer and to the electrical outlet. You may have a screen blanking utility installed or energy saver features are enabled. Press any key or click the mouse button and, if set, type your password. System ROM is corrupted; system is running in Boot Block Emergency Recovery Mode (indicated by eight beeps). Reflash the system ROM with the latest BIOS image. You are using a fixed-sync monitor and it will not sync at the Be sure that the monitor can accept the same horizontal resolution chosen. scan rate as the resolution chosen. Computer is in standby mode. 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. Monitor cable is plugged into the wrong connector. 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. Monitor settings in the computer are not compatible with the 1. In Windows XP Control Panel, double-click the Display monitor. 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. Monitor is configured to use an input that is not active. 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 onscreen controls and settings. Cannot enable integrated graphics after installing a PCI Express graphics card. Cause Solution On systems with Intel integrated graphics, the integrated graphics cannot be enabled after installing a PCI Express x16. 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. 106 Appendix E Troubleshooting Without Diagnostics

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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
Solving Display Problems
Blank screen (no video).
Cause
Solution
Monitor is not turned on and the monitor light is not on.
Turn on the monitor and check that the monitor light is on.
Bad monitor.
Try a different monitor.
The cable connections are not correct.
Check the cable connection from the monitor to the computer
and to the electrical outlet.
You may have a screen blanking utility installed or energy
saver features are enabled.
Press any key or click the mouse button and, if set, type your
password.
System ROM is corrupted; system is running in Boot Block
Emergency Recovery Mode (indicated by eight beeps).
Reflash the system ROM with the latest BIOS image.
You are using a fixed-sync monitor and it will not sync at the
resolution chosen.
Be sure that the monitor can accept the same horizontal
scan rate as the resolution chosen.
Computer is in
standby
mode.
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.
Monitor cable is plugged into the wrong connector.
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.
Monitor settings in the computer are not compatible with the
monitor.
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.
Monitor is configured to use an input that is not active.
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.
Cannot enable integrated graphics after installing a PCI Express graphics card.
Cause
Solution
On systems with Intel integrated graphics, the integrated
graphics cannot be enabled after installing a PCI Express
x16.
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.
106
Appendix E
Troubleshooting Without Diagnostics