HP Armada e500 Compaq ArmadaStation EM Maintenance and Service Guide - Page 17

Table 2-6, Solving External Monitor Problems

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Table 2-6 Solving External Monitor Problems Problem Probable Cause Recommended Action(s) Screen is blank. Screen save was initiated after Press any key or click the mouse. the Power Management screen timeout (period of inactivity). You have another screen saving Press any key or click the mouse. utility installed. Suspend was initiated. Press the suspend button to exit Suspend. The image is on the computer Press the Fn+F4 hotkeys to switch the display. image from the computer display to the external monitor. Power to the monitor is turned Turn on the monitor. off. Computer screen is blank and Image was switched to the the image is on the external external monitor. monitor. Press the Fn+F4 hotkeys to switch the image to the computer screen. Display on the external monitor is distorted. Incorrect display device drivers Select Start→ Settings→ Control Panel→ are installed or incorrect Display icon, and set the display type and resolution is set. resolution for the external monitor. Garbled characters on the computer screen or flashing computer display when connected to an external monitor. Toggled to internal computer Restart the system. If simultaneous display is from an external monitor that is desired, use the VGA resolution the computer using higher resolution than the supports. computer supports. External monitor screen is distorted. Energy Star Monitor is selected Press any key or move the mouse to restore on the Power Management the image on the screen. If the image remains menu, and the external monitor distorted, turn the monitor off, then back on. is not Energy Star compliant. Clear the Energy Star Monitor setting checkbox. Computer display and external Image was switched using the Press the Fn+F4 hotkeys to toggle through monitor display do not display Fn+F4 hotkeys. the three display possibilities until image simultaneously. simultaneous display occurs. 2-4 Troubleshooting

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2-4
Troubleshooting
Table 2-6
Solving External Monitor Problems
Problem
Probable Cause
Recommended Action(s)
Screen is blank.
Screen save was initiated after
the Power Management screen
timeout (period of inactivity).
Press any key or click the mouse.
You have another screen saving
utility installed.
Press any key or click the mouse.
Suspend was initiated.
Press the suspend button to exit Suspend.
The image is on the computer
display.
Press the
Fn+F4
hotkeys to switch the
image from the computer display to the
external monitor.
Power to the monitor is turned
off.
Turn on the monitor.
Computer screen is blank and
the image is on the external
monitor.
Image was switched to the
external monitor.
Press the
Fn+F4
hotkeys to switch the
image to the computer screen.
Display on the external
monitor is distorted.
Incorrect display device drivers
are installed or incorrect
resolution is set.
Select Start
→
Settings
→
Control Panel
→
Display icon, and set the display type and
resolution for the external monitor.
Garbled characters on the
computer screen or flashing
computer display when
connected to an external
monitor.
Toggled to internal computer
from an external monitor that is
using higher resolution than the
computer supports.
Restart the system. If simultaneous display is
desired, use the VGA resolution the computer
supports.
External monitor screen is
distorted.
Energy Star Monitor is selected
on the Power Management
menu, and the external monitor
is not Energy Star compliant.
Press any key or move the mouse to restore
the image on the screen. If the image remains
distorted, turn the monitor off, then back on.
Clear the Energy Star Monitor setting
checkbox.
Computer display and external
monitor display do not display
image simultaneously.
Image was switched using the
Fn+F4
hotkeys.
Press the
Fn+F4
hotkeys to toggle through
the three display possibilities until
simultaneous display occurs.