To find information on your Lenovo product, please perform the following steps:
- How to find and download manual. Goto http://support.lenovo.com/en_US/documents/detail.page?DocID=HT077589
- Open "User Guide" pdf.
- Scroll and look for "Contents".
- Then, look for "Troubleshooting and computer problems" and click on "Networking Problems".
- You are able to find solution for networking problems.