Epson 500 Series - Manual (Page 78)

The LCD Screen is Blank
If the computer starts up but no image appears on the LCD screen,
follow these steps to solve the problem:
1.
Use the brightness and contrast controls to adjust the screen
display.
2 .
To save power, you may have set a timeout period for the LCD
screen in the Setup program or with the WinPANEL utility.
This turns off the screen automatically after a specified period
of time has elapsed with no keyboard input or video memory
access. Press the shift key to see if this restores the display.
(See Chapter 5 for information about the power management
options.)
3. Make sure the supend/ resume switch is set to the left. The
computer may just be in Suspend mode.
4. when you plug in an external monitor, your computer
automatically disables the LCD screen. However, you can
easily switch your display back to the LCD by selecting either
Panel or SimulSCAN in the VGA Utilities window. If you have
configured your system to display in high resolution on the
external monitor, you need to run SetRES and change to
standard VGA resolution (640 x 480) before yoiu can use the
LCD screen. Seen page 2-11 for more information.
The External Monitor Screen is Blank
If you are using an external monitor and no image appears on its
screen, follow these steps to solve the problem:
1.
Make sure the power switches on the computer and the monitor
are turned on.
2. Adjust the brightness and contrast of the monitor screen.
A-6 Troubleshooting