I would like to set up networking with 5 pc's
which would be hard wired and one wireless laptop. What type of hardware would I need?

That depends on exactly what you are trying to achieve. Do you want only a local network or are you looking to have shared internet access?
If you have DSL or Cable internet then a possible setup would be
MODEM
V
ROUTER
VVVVV
Client systems
I'm not sure how you go about combining both a wired and wireless connection.
You may be able to get a wireless uplink to connect from laptop to router.

Or maybe you can get a router that has both wired/wireless capability.

This is only one possible setup. there's more than one way to arrange a network.
If you're not looking to have shared internet access then you would only need a switch not a router but still need some kind of wireless add-on to include the laptop.
Of course it is possible to share internet without a router. One of your current systems would have to be set up as host to provide shared internet using either windows ICS or a proxyserver program.

To work out the best solution you need to define your exact requirements.

Give a man a fish and you feed him for a day.
Teach him to fish and you feed him for life.

I agree with Richard but with just one comment. I would even think about using ICS with a five computer LAN so a router is going to be essential if Internet access is required, one with wired/wireless capability.

You will also need a switch. Most SOHO routers have built in switches but I have not seen any with more than 4 ports and as you have 5 you are going to need an external switch.

You will also need a NIC for each computer, a wireless card for the laptop and five lengths of cable to connect each computer to the switch.

Stuart

there is a networking forum you know...

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hardware for network.
Which one to post on?
Could be argued both ways

When all else fails beat the $%!* out of it!!!