It just means we are built in a particular way. For example, humans are hardwired to be social.  Hardwired = like that by nature. Another example: I am hardwired to like wine. :)

I agree with Tom, and we definitely use hardwired to talk about our behaviours or personalities. 

However, we can also use hardwired when we talk about technology. For example;

The graphics chip is hardwired to the motherboard.

Thanks a lot Tom, It's really helped I've got the meaning