PC Not Booting with PCI card installed

[Hasteify]

Alright guys, so I got a EnGenius EPI-3601S PCI Wireless Adapter(http://www.newegg.com/Product/Product.aspx?Item=9SIA1EA0K66605&cm_re=engenius_pci-_-33-168-033-_-Product), which is PCI. I tried to plug it into my GIGABYTE GA-78LMT (http://www.newegg.com/Product/Product.aspx?Item=N82E16813128565) but once I powered the computer on it didn't boot and showed a black screen. It then booted fine after I took it out. How can I go about fixing this? Any help would be appreciated

 

[cin19]

Do you disable the onboard LAN in the BIOS? because you use the add-on Wireless Adapter. Check the manual page 33. http://download.gigabyte.asia/FileList/Manual/mb_manual_ga-78lmt-usb3_v.4.1_e.pdf