HP rp5800 Maintenance & Service Guide HP rp5800 Retail System - Page 159

Solving Display Problems, Blank screen no video., Cause, Solution, standby, Display, Settings - video card

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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-7 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. Systems may have a monitor connection on both the motherboard or an add-in card. Try moving the monitor connection to a different 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 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. Solving Display Problems 149

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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-7
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.
Systems may have a monitor connection on both the
motherboard or an add-in card. Try moving the monitor
connection to a different 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 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.
Solving Display Problems
149