Then change the address of the file server to be in the range of 192.168.1.1 to 192.168.1.254 with a 24 bit mask. Find a forum that supports the file server software if you do not know how to do this.
Most home networks do not use multiple subnets. If you do want multiple subnets for some reason then you need to set up routing between those subnets. In any case all of this is out of scope for a tablotv forum.