Chapter 8 Troubleshooting; Troubleshooting The Display; Resolving Issues With Power - SMART SPNL-6055 Installation And Maintenance Manual

CHAPTER 8
TROUBLESHOOTING

Troubleshooting the display

The following information helps you resolve a variety of common issues with the display, including
issues with:
Power
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Presence detection and Wake to Touch
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Video
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Image quality
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Audio
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Touch and digital ink
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TIP
The Standby button on the front control panel also functions as an indicator light. You can use the
indicator light to resolve common issues with the display. For more information, see Front control
panel on page 6.

Resolving issues with power

Issue
The display doesn't turn on and its
power light isn't lit.
The display turns on, its power light
is lit, but nothing shows on the
screen.
62 smarttech.com/kb/171167
Solutions
Make sure the power cable is securely fastened to the power outlet and the
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display.
NOTE
If the power cable is connected to a power bar, make sure the power bar is
securely fastened to the power outlet and turned on.
Make sure the switch beside the AC power inlet is in the ON (I) position.
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Make sure the power outlet is working by testing it with a different device.
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Make sure the power cable is working by testing it with a different device.
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See Resolving issues with video on page 64.
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Restart the display.
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See Turning the display off and back on on page 57.