01-18-2018 01:48 PM
Download Lenovo System Update app. It'll download and install all required drivers for your system.
01-18-2018 02:02 PM
FYI The latest Windows 7 drivers for that model can all be downloaded from https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-t-series-laptops/thinkpad-... and put on a DVD or USB drive if needed.
01-18-2018 02:35 PM
You should also run Lenovo System Update.
Windows update should provide generic drivers for your DVD device.