Why does Comcast cable not have HD channels?

ok so i used to have reg cable, no box or anything and got hd channels. i have a sylvania 22 inch tv, and hd definitely used to work. then comcast was lame and made me get a little ...show more

direct tv hd vs comcast

I'm currently subscribed to the Basic Cable service (very cheap, about $10/month). We get all of the regular cable channels, along with the local channels in HD, which is great! I was hoping that I could upgrade to the HDTV package on the site for another...

i have a comcast HD cable box and its hooked up to my television, all the HD channels come in amazing but the other channels like mtv, tnt, tbs, etc. all look terrible, is there ...show more

I have` the cable without a box. I connect directly to the wall. Now some of the channels are the same but as`an example the history channel used to be channel 65 and now its 104-001. There are more channels I never had`before and there are repeats as...

I've had a small flatscreen tv in my kitchen, hooked up to the DTA box that comcast provided when the switch to digital cable occurred. We have other TVs in the house using the ...show more

After byuing the 42" LCD Magnavox at Sam's on Saturday we have had nothing but problems trying to get it to work with our Comcast Cable. We connected the TV directly to the wall to ...show more

would i be charged for viewing them? because i was told that they only give me the starter pack and all the sudden i can view channels up to 700 and up what is going on? but when i click on 700 and + the quality is still blurry. But i am worried that...