If the channels are not in the guide, and you know you suscribe to them you should go to MENU 6-1-1 and see you signal. Press the left arrow key and go to satelitte 82. If satelitte 91 is checked go on 82 and click SELECT. Move to the transponder box. Verify the signal on transponder 1-2-13-14-31-32. If it's over 75% your good. If it's showing WRONG SAT, go on the right side select CHECKSWITCH, SELECT you will have a message attention 057, please press check to checkswitch, go to CHECK and SELECT. It will run 38 tests and you most probably would have solve the problem
If that message wasn't there, press CANCEL and 3. You will have system info on screen. Make sure that you have the right software version
(E563 for 6100 or V150 for the 9200)
If everything is alright go to b e l l.ca/missingchannels (remove the spaces) and it will give you the procedure to reset your receiver. Follow the steps and you should be alright