Recognized Contributor
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47 Messages
Only one light on
What would be the cause for only the power light being on my business modem and no other lights? I know when I lose connection, more lights are on than just the power light. All the lights were off except for the power light. This went on for hours. I then decided to unplug it and plug it back in and all the lights came on. Should I be concerned that I have a faulty modem?
Accepted Solution
train_wreck
Gold Problem solver
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610 Messages
8 years ago
Can also be a symptom of an intermittently failing power supply (power adapter in the case of the SMC/Netgear devices). If a good UPS doesn't solve it, I would recommend looking into that.
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xz4gb8
Problem solver
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117 Messages
8 years ago
The most likely answer is that your modem is ok but was confused by a power glitch. This is especially likely if you do not have the modem powered through and Uninterruptable Power Supply (UPS).
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