Cable Modems Cable modem in apartment

>I recently moved into a condo complex and I am trying to install
> Comcast high speed internet. After connecting the cable to the cable
> modem and powering up the computer, I can never seem to get farther
> than a steady receive light and a flashing send light. After a two
> calls to customer service, they finally agreed to send a tech. out.
> My question is, could it be the apartment amp that is the problem? I
> have heard some older amps do not allow a return path. Will the cable
> company replace this device, or will I have to coordinate with the
> condo association? I am trying to limit the amount of time I have to
> sit and wait for the cable tech to come out.

> With my first call to customer service, they had me try to adjust the
> proxy settings on my internet browser. Would this have any impact on
> whether I would be able to get all of the lights on my cable modem
> working? Another note, I cannot see the diagnostics page when I type
> in 192.168.100.1 (it's a Motorola Surfboard modem)? Could this
> suggest a firewall or IP settings problem. It would be great if I
> could resolve the problem on my own.

> Also of note, I had Zone Alarm installed and I uninstalled it. I also
> had a router installed where I lived previously, but I have no use for
> it now, so it is no longer being used.

> Bill Bodinson wrote:

>>I recently moved into a condo complex and I am trying to install
>> Comcast high speed internet. After connecting the cable to the cable
>> modem and powering up the computer, I can never seem to get farther
>> than a steady receive light and a flashing send light. After a two
>> calls to customer service, they finally agreed to send a tech. out.
>> My question is, could it be the apartment amp that is the problem? I
>> have heard some older amps do not allow a return path. Will the cable
>> company replace this device, or will I have to coordinate with the
>> condo association? I am trying to limit the amount of time I have to
>> sit and wait for the cable tech to come out.

>
> Yes, it definately could be the amp. Or it could be a bad splitter, an
> incorrect filter, or a handful of other problems that could exist,
> depending on the creativity of whoever did the original cabling, or the
> failure of any component in the cabling. If you're the first in the
> complex to have cable Internet, it may even be a problem outside the
> complex.
>
> If it's inside the complex, how it gets fixed, or who pays for it is
> something that can't be difinitively determined. If the cable company did
> all the cabling, they would certainly fix it. But if the cabling was done
> by the builder of the complex, they may or may not fix it without charge.
> Unless the cabling physcially runs through another unit that needs to be
> accessed, you should not need to coordinate anything.
>
>

>> With my first call to customer service, they had me try to adjust the
>> proxy settings on my internet browser. Would this have any impact on
>> whether I would be able to get all of the lights on my cable modem
>> working? Another note, I cannot see the diagnostics page when I type
>> in 192.168.100.1 (it's a Motorola Surfboard modem)? Could this
>> suggest a firewall or IP settings problem. It would be great if I
>> could resolve the problem on my own.

>
> Not being able to see the diagnostic page could be another problem. (Or it
> might not.) Whether or not the modem can sync-up has nothing to do with
> whether something is connected to the modem. If the modem can't sync-up,
> the sequence of the lights while, and after it's trying tell as much as
> could be obtained from any logs visable in the modem. That means the tech
> trying to help you get to that page is lacking in technical ability, so
> it's entirely possible that there is no problem on your end at all.
>
> Make sure you take out any proxy settings in the browser, and any other
> settings that may have been tweaked.
>
>

>> Also of note, I had Zone Alarm installed and I uninstalled it. I also
>> had a router installed where I lived previously, but I have no use for
>> it now, so it is no longer being used.

>
> Some older versions of Zone Alarm sometimes did not completely uninstall
> correctly. It's possible you could have a problem, but it's possible that
> you don't have a problem, either. At this point, it's too soon to even
> worry about whether there could be a problem. As for the router, that
> should have no affect at all.
>
> Let them fix the cabling first. Once your modem is able to sync-up, then
> you can assess whether or not there are any other problems. Until then,
> random fiddling has a greater possibility of causing problems than fixing
> any problems.
>
> --
> Warren H.
>
> ==========
> Disclaimer: My views reflect those of myself, and not my
> employer, my friends, nor (as she often tells me) my wife.
> Any resemblance to the views of anybody living or dead is
> coincidental. No animals were hurt in the writing of this
> response -- unless you count my dog who desperately wants
> to go outside now.
> Blatant Plug: What does a new kitchen need?
> http://www.holzemville.com/community/cooking/kitchen/index.html

> :
> :If your Motorola Modem is a 5100 ( the only Motorola with which I have had
> :hands on experience) the
> :diagnostic screen probably will not display until the modem has completed
> :the full handshaking sequence.
> :even when it is operating correctly.
>
> That's not correct. You can still access the status pages when the
> modem does not have an upstream connection. Otherwise, what would
> be the point of having a status page that could display any status
> other than "Operational"?
>
> I initially had the same symptoms as the OP (flashing "Send" light)
> until a Comcast installer came out and removed the filter that was
> blocking my upstream signal path. I could still see the SB5100's status
> and diagnostic pages just fine.