Connect Cisco 2960-X to my computer?

[roselee]

I bought the Cisco 2960-X switch: WS-C2960X-24TS-L, some trouble when I configure the 2960-x switch to my computer? It always automatic shutdown when connecting to the computer, why?
http://www.3anetwork.com/cisco-ws-c2960x-24ts-l-price_p1539.html