Device not recognized?

Quick problem... I have a curve 8320. Just got a new laptop, and i lost the software disk for the desktop manager, so i just went online and downloaded it from blackberrys site. So, when i plug the phone in the computer, its saying the computer is recognizing its a blackberry smartphone. But the is NO DESKTOP MANAGER icon or software on my computer. Ive looked everywhere... again, i downloaded it! i dont get it...
So then i go and download the iTunes Media Manager. Again, I plug my phone in the computer, THE COMPUTER is recognizing it, but when i start up media manager, its saying NO DEVICE connected?
Its more-so two problems in one kinda...
Any opinions on what to do? Thanks

What version of Desktop Manager did you download, what was the filename that you downloaded?
Did you double-click AND install that file you downloaded? On your laptop, look at Control Panel > Add/Remove programs--do you see it listed there as a recent install.
If not, try again. I would recommend version 4.6. Download Desktop Manager from here
https://www.blackberry.com/Downloads/entry.do?code=A8BAA56554F96369AB93E4F3BB068C22
Finally, Make certain your USB cable is connected to one of the PC's main rear USB ports. Not a USB hub, nor a monitor USB port, nor a USB port on the front of the PC.
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