HP Dc7700 Troubleshooting Guide - Page 29

Solving Display Problems, causes and solutions listed in the following table. - bios password reset

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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 2-6 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 is Boot Block Emergency Recovery Mode (indicated by eight beeps). 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 You are using a fixed-sync monitor and it will not sync at the Be sure that the monitor can accept the same horizontal scan resolution chosen. 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 Control Panel, under Appearance and Personalization, select Adjust screen resolution. 2. Use the sliding control to reset the resolution. 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 graphics card. The integrated graphics can be enabled in Computer Setup if a standard PCI graphics card is installed. ENWW Solving Display Problems 23

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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 2-6
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 is Boot Block
Emergency Recovery Mode (indicated by eight beeps).
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
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 Control Panel, under
Appearance and
Personalization
, select
Adjust screen resolution
.
2.
Use the sliding control to reset the resolution.
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
graphics card.
The integrated graphics can be enabled in Computer Setup if
a standard PCI graphics card is installed.
ENWW
Solving Display Problems
23