thebagelstore

hi iam new , i really need help trying to figure out how the network , cd functions and backup in the menu are not there after trying to install a higher capcaity hard drive in the dvr i put the drive that came with it back now i cant acess the cd writer or the network or back up ??? iam stumped and avtech offers no support and the person i bought it from is no where to be found any help would be so greatly appreciated thank you in advance[/u]