Question about Arris SURFboard SB5120 Modem

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Only power and pc/activity light are on.

Whenever I power it up, only the power and pc/activity lights turn on. Any solution to this, or is it done?

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  • koppatin123 Aug 11, 2008

    i disconnected all the cables to my router and modem. and wait. then later i plug everything back. but only the power and pc/activity light are on. and i try to turn off the modem by pressing the standby button but nothing happens. the lights just stay on even though i press the standby button.

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1 Answer

Only thing to do is buy a new modem. Mine did the same after a power surge. Left it all night off and in the morning started working again.
a month later, another power surge and never started egain. Just got me a new one and called Comcast to activate it. Problem solved.
Good luck there

Posted on Oct 17, 2008

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