To import device drivers into Deployment Workbench, the drivers need to be in a certain form (INF files). If you are deploying Windows 7 to Lenovo hardware, you can download Lenovo drivers in the form MDT needs by using Lenovo ThinkVantage Update Retriever, see http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=TVAN-ADMIN for more information. However, this tool does not provide Lenovo drivers in their raw form as INF files, so you still need to extract the raw files from the downloaded drivers. A good tool for doing this is Universal Extractor, see http://www.legroom.net/software/uniextract#download
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