User`s manual

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PWS-1409/1419 User’s Manual
Appendix A. Trouble shooting
A-1 Trouble Shooting Techniques 46
A-1-1 No screen after pressing front power switch 46
A-1-1-a Power supply fan not spinning 46
A-1-1-b Power supply fan is spinning and LCD has no backlight 46
A-1-1-c Power supply fan is spinning and LCD has backlight and
power LED is on 46
A-1-2 LCD screen shows garbage or bad characters or vertical
horizontal color lines or bar 46
A-1-3 LCD screen works fine in Windows but acted funny when
running certain programs or games 47
A-1-4 The display is not on the LCD center 47
A-2 Keyboard and pointing device not responding 47