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5 | Troubleshooting
5 Troubleshooting
5.1 No Picture
All control buttons do not light up
• Check whether the power cord is connected properly.
• Turn on the main power switch on the back of the monitor.
• Turn off the main power switch on the back of the monitor, and then turn it on again a
few minutes later.
Only the power button lights up (in green)
• Press
.
All control buttons light up (in green)
• Adjust the brightness of the screen (see
• Try switching the input signal (see
• Turn the setting "On" for "Compatibility Mode" on the "Administrator Settings" menu (see
Compatibility Mode
• Move the mouse or press any key on the keyboard.
• Check whether the PC is turned on.
The message "No Signal" appears on the screen.
Example:
• The message shown above may appear, because some PCs do not output a signal
immediately after power-on.
• Check whether the PC is turned on.
• Check whether the signal cable is connected properly.
• Switch the input signal.
• Try setting "Auto Input Detection" in the "Administrator Settings" menu to "Off" and
switching the input signal manually (see
The message "Signal Error" appears on the screen.
Example:
• Check whether the PC is configured to meet the resolution and vertical scan frequency
requirements of the monitor (see
• Reboot the PC.
• Select an appropriate setting using the graphics board's utility. Refer to the User's
Manual of the graphics board for details.
20
Brilliance
Input
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Auto Input Detection
7.2 Compatible Resolutions
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