Solving External Monitor Problems - Compaq Armada e500s Maintenance And Service Manual

Problem
Screen is blank.
Computer screen is blank and
the image is on the external
monitor.
Display on the external
monitor is distorted.
Garbled characters on the
computer screen or flashing
computer display when
connected to an external
monitor.
External monitor screen is
distorted.
Computer display and external
monitor display do not display
image simultaneously.
2-4 Troubleshooting
Table 2-6

Solving External Monitor Problems

Probable Cause
Screen save was initiated after
the Power Management screen
timeout (period of inactivity).
You have another screen saving
utility installed.
Suspend was initiated.
The image is on the computer
display.
Power to the monitor is turned
off.
Image was switched to the
external monitor.
Incorrect display device drivers
are installed or incorrect
resolution is set.
Toggled to internal computer
from an external monitor that is
using higher resolution than the
computer supports.
Energy Star Monitor is selected
on the Power Management
menu, and the external monitor
is not Energy Star compliant.
Image was switched using the
Fn+F4
hotkeys.
Recommended Action(s)
Press any key or click the mouse.
Press any key or click the mouse.
Press the suspend button to exit Suspend.
Fn+F4
Press the hotkeys to switch the
image from the computer display to the
external monitor.
Turn on the monitor.
Fn+F4
Press the hotkeys to switch the
image to the computer screen.
Select Start Settings Control Panel
Display icon, and set the display type and
resolution for the external monitor.
Restart the system. If simultaneous display is
desired, use the VGA resolution the computer
supports.
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.
Fn+F4
Press the hotkeys to toggle through
the three display possibilities until
simultaneous display occurs.