U300s Trackpad does not appear in device manager

Recently I had an issue where I needed to reinstall windows. I downloaded a legitimate ISO and reinstalled it. When I went to reinstall all of the drivers, I had an issue with the TrackPad driver. I know it is a Cypress Touchpad. When I try to install the driver I get this error message: "Cannot find Cypress Trackpad!". It does not show up in the device manager (only my USB mouse is under the Mice and Keyboard menu.) My question is this: What can I do? I can't reflash the BIOS because I already have the latest one and WinFlash won't let you flash a BIOS with the same or earlier date on it. I have checked and the connection to the motherboard is very secure. What other options do I have? I'm not pleased in the least with this error. Any help is appreciated. I know computers well so if there are any solutions that are on the technical side, throw them at me! Thanks!
As a side note, I used a generic (read: non-OEM) windows ISO because Lenovo does not have a customized (OEM-specific) one easily accessable online.
System Overview:
Lenovo U300s
Intel Core i7-2677M @ 1.8Ghz
4GB RAM
Windows 7 64-Bit SP1

Hi, I recently upgraded to win8.1 and accidentally made it a fresh install soo it was pretty fresh... haha
Well, my touchpad was working but it wasn't recognized in the device manager, someone said that I may had to reinstall the driver that came installed when I bought it, Lenovo has them avaliable here: http://support.lenovo.com/en_US/downloads/default.page?#
After installing it the icon appeared again and I had the options avaliable in the device manager and everything... I think that may be the problem.

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U300s Trackpad does not appear in device manager

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