Question about Arris SURFboard SB4200 Modem

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The activity light is off

The modem have all the lights on except for the activity light, i change the firmware with the blackcat and is the same what i should do?

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If your activity light is not on that usually indicates the connection to your pc isn't working. Have you checked your ethernet cable to make sure it's plugged in firmly? Also, if you're using ethernet, you may want to try reseating the network card. If you're connected to a router try bypassing it and connecting directly to the modem.

Hope this helps!

Posted on Jan 14, 2009

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Every thing is on green light ,except ACTIVITY. whats wrong with it? can someone help me?


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Constantly blinking Activity light


Well, you are very correct with the activity light blinking and the increased blinking except the fact that modem will encounter a problem in future...
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PC/Activity light


Make sure the Ethernet cable going from the modem to the computer is secure. Then go to your computers control panel and clock network connections. Look in LAN, any try to find your connection. If it isnt there , than you will need to call your ISP, and they will install it all correctly for you at no charge.

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