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[Comcast] Self Installation - Internet - How to?

xxxHolic 4,762 August 20, 2012 at 10:28 PM
Please tell me how to do the Self Installation for Comcast Internet? I have the Motorola SURFboard SB5120 cable modem.
I plug the Ethernet cable to wall --> modem --> computer. I have no Internet Embarrassment?

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#2
Quote from xxxHolic View Post :
Please tell me how to do the Self Installation for Comcast Internet? I have the Motorola SURFboard SB5120 cable modem.
I plug the Ethernet cable to wall --> modem --> computer. I have no Internet Embarrassment?
You need the coaxial cable running from outside to inside your home, plug that into your modem first, turn it on to make sure you have lights then call Comcast so they can assign your account to the modem
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Helen Reddy, standing by
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#3
Quote from xxxHolic View Post :
Please tell me how to do the Self Installation for Comcast Internet? I have the Motorola SURFboard SB5120 cable modem.
I plug the Ethernet cable to wall --> modem --> computer. I have no Internet Embarrassment?
I work overlook the basics.

Have you signed up for Xfinity internet service?
Do you have a cable jack leading into the home?
Have you split off that jack (one running to the TV and one running to the cable modem) or do you have a dedicated jack for internet only?

If yes to all three, then use the instructions that came in the Self Install kit and call the 800 number to activate/provision your cable modem. The MAC address on the modem will be required when calling so have it written down and ready.
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#4
Like the others have said, you need to connect your coax to the cable modem and let it boot up. Give it a good 10 minutes because it should get online and then realise it's not provisioned. At that point, it will reboot and download a different firmware called 'garden wall' or 'walled garden' or something (you don't really need to know, just be aware that it will look like it's online and then reboot)

Then hook up your PC and when you go online you see see a page telling you to call comcast. Call them, they provision your MAC address and the modem reboots again to get the real firmware.

This was based on an install about 18 months ago.
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#5
I didn't do the original "install" in my home but I did install a replacement modem (surfboard). Of course you need the basics - you are signed up for internet, the modem is connected to the network (RG6) and the line isn't split too many times (installers will often put 1 splitter when the cable enters the house and send one leg to the modem and the other will distribute TV to the rest of the house). As others have said, plug the modem into the RG6 and power it up and leave it for awhile - once all the lights except for the activity light are on, plug in your PC. Make sure the PC is setup for DHCP. You may need to reboot the modem and PC at this point.

When I installed my surfboard several months ago, it was as simple as the above, then trying to navigate to *any* website, and a Comcast page popped up saying I needed to activate the modem, which was all done online. Very easy.
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