Are you setting up your shares with an IP address or network names?
If using an IP then there is a good chance they are issued by DHCP and therefore after a reboot the IP address can easily change and your shares would therefore be broken.
So either set all devices in the media chain with a static IP or use the PC/share names rather than the address. I find setting static IP's easier and so both my media player & NAS have static addresses
top line is PC to NAS connection using the network name, second line is media player to NAS connection using the static IP of the NAS.
If you have an internal HDD in the PCH then you should just need to set a static IP for the A-410 - but make sure you use an address outside of the DHCP range or reserve the address on the router.
Mark.