ENVISION h716a4 User Manual
13
Troubleshooting Procedures
If the LCD monitor fails to function correctly, please follow the following steps for a
possible solution.
1.Perform the adjustments according to
possible solution.
1.Perform the adjustments according to
How to Operate the Monitor section .
2.Refer to the following items if the problem remains after referring to the
How to
Operate the Monitor section
.
PROBLEM
CHECK TO SEE
*If the power cord is firmly plugged in the socket.
*If the power switch is turned on.
a) Power indicator
does not light
up.
*If the AC wall socket is
has power
by checking it using another
piece of equipment such as a lamp.
*If a blank screen saver is active, touch the keyboard or mouse to
*If a blank screen saver is active, touch the keyboard or mouse to
de-activate the screen saver.
Increase the CONTRAST and/or BRIGHTNESS.
Increase the CONTRAST and/or BRIGHTNESS.
b) Power indicator
is Green but no
display.
*If the signal timing of the computer is within the spec of the
monitor.
*If the monitor is in power management mode, touch the keyboard
*If the monitor is in power management mode, touch the keyboard
or the mouse to dis-activate the power management mode.
*If the computer is ON.
*If the computer is ON.
c) Power indicator
is amber.
Check if the VGA signal cable is loose.
Please adjust "Contrast" or "Brightness" to the appropriate level.
d) Display is too
dark or too
bright.
*If the video output level of the computer is within the spec.
*If the signal timing of the computer is within the spec.
e) Display is not in
the center.
Please press "OK" button to perform Auto Configuration.
*If the power voltage is within the spec.
f) Display is
shaking.
*If the signal timing of the computer is within the spec.
*One way to check this is to connect another monitor to the computer.
3. When a moving “No Connection” message is displayed, please check to make
sure the VGA cable is connected correctly.
4. When a moving “Out of Range” message is displayed after making a resolution
or refresh rate adjustment in Windows, please wait about 15 seconds for the
display to come back on. Then check and adjust the resolution to the appropriate
one. See Supported Timing section for a list of resolution and refresh rate this
monitor can support.
5. When a moving “No Signal” message is displayed, please check if the computer
is on.
3. When a moving “No Connection” message is displayed, please check to make
sure the VGA cable is connected correctly.
4. When a moving “Out of Range” message is displayed after making a resolution
or refresh rate adjustment in Windows, please wait about 15 seconds for the
display to come back on. Then check and adjust the resolution to the appropriate
one. See Supported Timing section for a list of resolution and refresh rate this
monitor can support.
5. When a moving “No Signal” message is displayed, please check if the computer
is on.
6. If the problem you are experiencing is not described here or you cannot correct
the problem, stop using the monitor and contact your dealer or tech support for
further assistance.
the problem, stop using the monitor and contact your dealer or tech support for
further assistance.
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