Epson NX User Manual - Page 42

Blank Screen, Incorrect Images

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Troubleshooting Blank Screen If the power LED is on but the screen is blank, follow these suggestions: Make sure the monitor cables are securely connected to the monitor, the computer, and the electrical outlet. Check that the monitor's power switch is on and that the power light on the monitor is lit. If the Rower light is not lit, check to see if the electrical outlet supplies power. If the power light is on but you still do not see anything on the screen, check the monitor's brightness and contrast controls. Check the monitor cable connector for any bent or missing pins. If necessary, repair the connector or replace the cable. If the monitor is connected to the built-in video adapter, make sure that jumper Jl0 has a jumper in position A. (See page 1-12.) If the monitor is connected to an optional video adapter, make sure that jumper Jl0 has a jumper in position B. If the optional video adapter is monochrome, make sure that jumper Jll is in position B. Replace the monitor. Replace the system board. The video controller may be faulty. Authorized service centers outside the U.S. can replace the video controller chip. Incorrect Images If the screen displays incorrect or blurred images, follow these suggestions: 1 Make sure the monitor cables are securely connected to the monitor, the computer, and the electrical outlet. 2 Check the monitor's brightness and contrast controls. See the manufacturer's guide for references to other controls that may affect picture quality. 3 Make sure the monitor and video adapter types match. 4 Make sure the correct display adapter type is selected in the SETUP program. 5 If an extended VGA driver is installed in memory, make sure the specified resolution is supported by the monitor. 6 Test the video adapter by running the video diagnostics tests. If the tests indicate an error, replace the system board. The video controller may be faulty. Authorized service centers outside the U.S. can replace the video controller chip. Epson NX Service Manual 2-11

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Troubleshooting
Blank Screen
If the power LED is on but the screen is blank, follow these suggestions:
Make sure the monitor cables are securely connected to the monitor, the computer, and
the electrical outlet.
Check that the monitor’s power switch is on and that the power light on the monitor is
lit. If the Rower light is not lit, check to see if the electrical outlet supplies power.
If the power light is on but you still do not see anything on the screen, check the
monitor’s brightness and contrast controls.
Check the monitor cable connector for any bent or missing pins. If necessary, repair
the connector or replace the cable.
If the monitor is connected to the built-in video adapter, make sure that jumper Jl0
has a jumper in position A. (See page 1-12.) If the monitor is connected to an optional
video adapter, make sure that jumper Jl0 has a jumper in position B. If the optional
video adapter is monochrome, make sure that jumper Jll is in position B.
Replace the monitor.
Replace the system board. The video controller may be faulty. Authorized service
centers outside the U.S. can replace the video controller chip.
Incorrect Images
If the screen displays incorrect or blurred images, follow these suggestions:
1
Make sure the monitor cables are securely connected to the monitor, the computer, and
the electrical outlet.
2
Check the monitor’s brightness and contrast controls. See the manufacturer’s guide for
references to other controls that may affect picture quality.
3
Make sure the monitor and video adapter types match.
4
Make sure the correct display adapter type is selected in the SETUP program.
5
If an extended VGA driver is installed in memory, make sure the specified resolution
is supported by the monitor.
6
Test the video adapter by running the video diagnostics tests. If the tests indicate an
error, replace the system board. The video controller may be faulty. Authorized
service centers outside the U.S. can replace the video controller chip.
Epson
NX
Service
Manual
2-11