Epson NX - Keyboard Problems; No Keyboard Response

Troubleshooting
Keyboard Problems
If there is a problem with the computer’s keyboard, see the suggestions below:
Figure 2-2
Keyboard Problems
No Keyboard Response
If the computer boots properly but does not respond when you type, follow these suggestions:
1
Make sure the keyboard cable is securely connected to the keyboard port and not the
mouse port.
2
Check the keyboard cable connector for any bent or missing pins. If necessary, repair
the connector or replace the cable.
3
Replace the keyboard unit. The internal circuit board may be faulty.
4
Replace the keyboard controller. The controller may be faulty.
5
Check the continuity of fuse Fl (1A @ 125V) on the system board and replace it if
blown.
6
Replace the system board.
Epson NX Service Manual
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