What should be done first if a control system’s touch screen is reported as locked, frozen, or otherwise not functioning?
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A
Remove the device, switch it out, and return it to the manufacturer for diagnostic checks
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B
Use a voltage meter to check for continuity, remove the motherboard and switch it out
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C
Reroute all systems to the nearest functioning system
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D
Check all connectors; confirm the screen is not in power saver mode