So I've pretty much finished building my new PC; it's ready to be turned on and such. I then noticed that I had forgotten the wireless card, so I set about trying to install it. After a good 5 minutes trying to get it to slot into the PCI, I realise that the problem seems to be the slightly curved end of the metal part (shown on the right of the sample image) which won't slot into the case, unlike the graphics card already installed. I now realise that I won't be able to attach it with any degree of precision, which would risk breaking my other parts. Any solutions?