One more thing that may be obvious, but worth saying: Try using headphones, the speakers may be garbage. The Lenovo forums are full of audio-related complaints for various t4xx laptops, I even saw a picture of a melted speaker assembly.
There's a useful RSS feed on the support/downloads page for your model, it's a good way to be notified of Windows driver and BIOS updates without needing to boot into Windows. -- No Sound on Lenovo W510 / T510 https://bugs.launchpad.net/bugs/522982 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
